commit fb031b456db88da2de4b52de8fc6b5be0c9a3fe6 Author: Ilya Date: Thu Nov 10 21:22:41 2022 +0300 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..cf9d7ef --- /dev/null +++ b/.gitignore @@ -0,0 +1,4 @@ +build +.idea +.gradle + diff --git a/build.gradle b/build.gradle new file mode 100755 index 0000000..bdabe25 --- /dev/null +++ b/build.gradle @@ -0,0 +1,33 @@ +plugins { + id 'java' +} + +group 'ru.redguy' +version '1.0' + +repositories { + maven { + url = "https://repo.redguy.ru/repository/maven-public/" + } + mavenCentral() +} + +dependencies { + testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.0' + testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.0' + implementation 'commons-io:commons-io:2.11.0' + implementation 'org.reflections:reflections:0.9.11' + implementation 'org.jetbrains:annotations:20.1.0' +} + +test { + useJUnitPlatform() +} + +tasks.compileJava.options.encoding = "UTF-8" + +jar { + from { + configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } + } +} diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100755 index 0000000..e708b1c Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100755 index 0000000..da9702f --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-6.8-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..4f906e0 --- /dev/null +++ b/gradlew @@ -0,0 +1,185 @@ +#!/usr/bin/env sh + +# +# Copyright 2015 the original author or authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin or MSYS, switch paths to Windows format before running java +if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=`expr $i + 1` + done + case $i in + 0) set -- ;; + 1) set -- "$args0" ;; + 2) set -- "$args0" "$args1" ;; + 3) set -- "$args0" "$args1" "$args2" ;; + 4) set -- "$args0" "$args1" "$args2" "$args3" ;; + 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=`save "$@"` + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100755 index 0000000..ac1b06f --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100755 index 0000000..f9131fc --- /dev/null +++ b/settings.gradle @@ -0,0 +1,2 @@ +rootProject.name = 'INF' + diff --git a/src/main/java/ru/redguy/ATask.java b/src/main/java/ru/redguy/ATask.java new file mode 100755 index 0000000..2db6502 --- /dev/null +++ b/src/main/java/ru/redguy/ATask.java @@ -0,0 +1,8 @@ +package ru.redguy; + +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; + +public @Retention(RetentionPolicy.RUNTIME) @interface ATask { + String value(); +} diff --git a/src/main/java/ru/redguy/INF.java b/src/main/java/ru/redguy/INF.java new file mode 100755 index 0000000..94cd302 --- /dev/null +++ b/src/main/java/ru/redguy/INF.java @@ -0,0 +1,53 @@ +package ru.redguy; + +import org.reflections.Reflections; +import org.reflections.scanners.*; +import org.reflections.util.ClasspathHelper; +import org.reflections.util.ConfigurationBuilder; +import org.reflections.util.FilterBuilder; + +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.util.HashMap; +import java.util.Scanner; +import java.util.concurrent.ExecutionException; + +public class INF { + + static HashMap tasks = new HashMap<>(); + + public static void main(String[] args) throws IOException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException, ExecutionException, InterruptedException { + FilterBuilder fb = new FilterBuilder(); + fb.includePackage("ru.redguy.tasks"); + + ConfigurationBuilder configBuilder = + new ConfigurationBuilder() + .filterInputsBy(fb) + .setScanners( + new TypeAnnotationsScanner(), + new MethodParameterScanner(), + new MethodAnnotationsScanner(), + new FieldAnnotationsScanner(), + new SubTypesScanner() + ); + + configBuilder.addUrls(ClasspathHelper.forPackage("ru.redguy.tasks")); + Reflections reflections = new Reflections(configBuilder); + + for (Class mClass : reflections.getTypesAnnotatedWith(ATask.class, false)) { + ATask annotation = mClass.getAnnotation(ATask.class); + tasks.put(annotation.value(),(Task) mClass.getConstructor().newInstance()); + } + + Scanner scanner = new Scanner(System.in); + String inp; + while(true) { + inp = scanner.nextLine(); + switch (inp) { + case "exit": System.exit(0); break; + case "list": tasks.forEach((i,b) -> System.out.println(i)); break; + default: tasks.getOrDefault(inp, new Task() {@Override public void run(){}}).run(); break; + } + } + } +} diff --git a/src/main/java/ru/redguy/Task.java b/src/main/java/ru/redguy/Task.java new file mode 100755 index 0000000..aae9df7 --- /dev/null +++ b/src/main/java/ru/redguy/Task.java @@ -0,0 +1,15 @@ +package ru.redguy; + +import org.apache.commons.io.IOUtils; + +import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.util.concurrent.ExecutionException; + +public abstract class Task { + public abstract void run() throws IOException, ExecutionException, InterruptedException; + + public String getFile(String name) throws IOException { + return IOUtils.resourceToString(name, StandardCharsets.UTF_8, INF.class.getClassLoader()); + } +} diff --git a/src/main/java/ru/redguy/tasks/Task10.java b/src/main/java/ru/redguy/tasks/Task10.java new file mode 100755 index 0000000..cc2c76e --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task10.java @@ -0,0 +1,25 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; + +@ATask("10") +public class Task10 extends Task { + + @Override + public void run() throws IOException { + String s = "BPAPHPEKHALISPHBY"; + int m = s.length(); + int k = 3; + StringBuilder s1 = new StringBuilder(s.substring(k)); + + for (int i = 9; i < m-4; i++) { + String c = s.substring(i); + s1.append(c); + } + + System.out.println(s1); + } +} diff --git a/src/main/java/ru/redguy/tasks/Task135.java b/src/main/java/ru/redguy/tasks/Task135.java new file mode 100755 index 0000000..61a48d1 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task135.java @@ -0,0 +1,36 @@ +package ru.redguy.tasks; + +import com.google.common.collect.Lists; +import javafx.util.Pair; +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.*; +import java.util.stream.Collectors; + +@ATask("135") +public class Task135 extends Task { + @Override + public void run() throws IOException { + List been = new ArrayList<>(); + + System.out.println(task(task(task(Lists.newArrayList(2)))).stream().filter((num) -> { + if(been.contains(num)) + return false; + been.add(num); + return true; + }).count()); + } + + public List task(List list) { + List result = new ArrayList<>(); + + for(int num : list) { + result.add(num+2); + result.add(num*3); + } + + return result; + } +} diff --git a/src/main/java/ru/redguy/tasks/Task16.java b/src/main/java/ru/redguy/tasks/Task16.java new file mode 100755 index 0000000..fb37b5b --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task16.java @@ -0,0 +1,27 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; + + +@ATask("16") +public class Task16 extends Task { + + //fn = fn-1 + fn-2 + public int F(int n) { + if(n<2) return 1; + if(n % 3 == 0) return F(n/3) - 1; + return F(n - 1) + 7; + } + + @Override + public void run() throws IOException { + int count = 0; + for (int i = 1; i < 100001; i++) { + if(F(i)==35)count++; + } + System.out.println(count); + } +} diff --git a/src/main/java/ru/redguy/tasks/Task17.java b/src/main/java/ru/redguy/tasks/Task17.java new file mode 100755 index 0000000..230bfc4 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task17.java @@ -0,0 +1,68 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.time.Instant; +import java.util.List; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ForkJoinPool; +import java.util.stream.Collectors; +import java.util.stream.LongStream; + + +@ATask("17") +public class Task17 extends Task { + + @Override + public void run() throws IOException, ExecutionException, InterruptedException { + int pool = 0; + int parallel = 0; + int basic = 0; + ForkJoinPool p = new ForkJoinPool(10); + for (int run = 0; run < 5; run++) { + Instant start = Instant.now(); + p.submit(() -> { + return LongStream.range(1, 99999).parallel() + .mapToObj(this::isPrime) + .collect(Collectors.toList()); + }).get(); + long time = Instant.now().getEpochSecond() - start.getEpochSecond(); + System.out.println("Pool - Run: "+run+" Time: "+time); + pool+=time; + + start = Instant.now(); + LongStream.range(1, 99999).parallel() + .mapToObj(this::isPrime) + .collect(Collectors.toList()); + time = Instant.now().getEpochSecond() - start.getEpochSecond(); + System.out.println("Parallel - Run: "+run+" Time: "+time); + parallel+=time; + + start = Instant.now(); + LongStream.range(1, 99999) + .mapToObj(this::isPrime) + .collect(Collectors.toList()); + time = Instant.now().getEpochSecond() - start.getEpochSecond(); + System.out.println("Stream - Run: "+run+" Time: "+time); + basic+=time; + } + System.out.println("Pool avg: "+pool/5); + System.out.println("Parallel avg: "+parallel/5); + System.out.println("Stream avg: "+basic/5); + p.shutdown(); + } + + + public boolean isPrime(long number) { + boolean isPrime = true; + for(int p = 2; p < number; p++) { + if(number % p == 0){ + isPrime = false; + break; + } + } + return isPrime; + } +} diff --git a/src/main/java/ru/redguy/tasks/Task2506.java b/src/main/java/ru/redguy/tasks/Task2506.java new file mode 100755 index 0000000..6feed6d --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task2506.java @@ -0,0 +1,28 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; + +@ATask("2506") +public class Task2506 extends Task { + @Override + public void run() throws IOException { + String s = getFile("k7.txt"); + int line = 0; + for (int i = 0; i < s.length(); i++) { + String sub = s.substring(i); + int bingo = 0; + for (int j = 0; j < sub.length(); j++) { + if(sub.charAt(j) == 'C') { + bingo++; + } else { + if(line < bingo) line = bingo; + break; + } + } + } + System.out.println(line); + } +} diff --git a/src/main/java/ru/redguy/tasks/Task2507.java b/src/main/java/ru/redguy/tasks/Task2507.java new file mode 100755 index 0000000..45cb926 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task2507.java @@ -0,0 +1,33 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; + +@ATask("2507") +public class Task2507 extends Task { + @Override + public void run() throws IOException { + String s = getFile("k8.txt"); + int line = 0; + char lineChar = 'a'; + for (int i = 0; i < s.length(); i++) { + String sub = s.substring(i); + int bingo = 0; + char start = sub.charAt(0); + for (int j = 0; j < sub.length(); j++) { + if(sub.charAt(j) == start) { + bingo++; + } else { + if(line < bingo) { + line = bingo; + lineChar = start; + } + break; + } + } + } + System.out.println(lineChar + " " + line); + } +} diff --git a/src/main/java/ru/redguy/tasks/Task2508.java b/src/main/java/ru/redguy/tasks/Task2508.java new file mode 100755 index 0000000..71f4d08 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task2508.java @@ -0,0 +1,44 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.ArrayList; + +@ATask("2508") +public class Task2508 extends Task { + @Override + public void run() throws IOException { + String s = getFile("k8.txt"); + int line = 0; + ArrayList lineChars = new ArrayList<>(); + for (int i = 0; i < s.length(); i++) { + String sub = s.substring(i); + int bingo = 0; + char start = sub.charAt(0); + for (int j = 0; j < sub.length(); j++) { + if(sub.charAt(j) == start) { + bingo++; + } else { + if(line < bingo) { + line = bingo; + lineChars = new ArrayList<>(); + lineChars.add(start); + } + if(line == bingo) { + lineChars.add(start); + } + break; + } + } + } + ArrayList been = new ArrayList<>(); + for (Character lineChar : lineChars) { + if(!been.contains(lineChar)) { + System.out.println(lineChar + " " + line); + been.add(lineChar); + } + } + } +} diff --git a/src/main/java/ru/redguy/tasks/Task2509.java b/src/main/java/ru/redguy/tasks/Task2509.java new file mode 100755 index 0000000..5789e85 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task2509.java @@ -0,0 +1,35 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.concurrent.CompletableFuture; + +@ATask("2509") +public class Task2509 extends Task { + @Override + public void run() throws IOException { + String s = getFile("24.txt"); + int line = 0; + for (int i = 0; i < s.length(); i++) { + int bingo = 0; + for (int j = i; j < s.length(); j++) { + try { + String sub = s.substring(j, j + 3); + if (sub.charAt(0) == sub.charAt(1) && sub.charAt(1) == sub.charAt(2)) { + bingo++; + } else { + if (line < bingo) line = bingo; + break; + } + } catch (StringIndexOutOfBoundsException e) { + if (line < bingo) line = bingo; + break; + } + } + } + System.out.println(line); + } +} \ No newline at end of file diff --git a/src/main/java/ru/redguy/tasks/Task26.java b/src/main/java/ru/redguy/tasks/Task26.java new file mode 100755 index 0000000..dc9c3da --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task26.java @@ -0,0 +1,49 @@ +package ru.redguy.tasks; + +import javafx.util.Pair; +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.*; +import java.util.stream.Collectors; + +@ATask("26") +public class Task26 extends Task { + @Override + public void run() throws IOException { + String data = getFile("26.txt"); + data = data.substring(data.indexOf("\n")+1); + List numbers = data.lines().map(Long::valueOf).collect(Collectors.toList()); + + List normal = numbers.stream().filter(number -> number%2==0).collect(Collectors.toList()); + + List pairs = normal.stream() + .flatMap(a -> normal.stream().map(b -> new Pair(a,b))) + .distinct() + .filter(p -> !Objects.equals(p.a, p.b)) + .collect(Collectors.toList()); + + Long max = pairs.stream().map(p -> (p.a+p.b)/2).filter(numbers::contains).max(Comparator.comparingLong(a->a)).get(); + System.out.println(pairs.size()+" "+max); + } + + static class Pair { + Long a; + Long b; + + public Pair(Long a, Long b) { + this.a = a; + this.b = b; + } + + @Override + public boolean equals(Object o) { + if(o instanceof Pair) { + Pair p = (Pair) o; + return (Objects.equals(a, p.a) && Objects.equals(b, p.b))||(Objects.equals(a, p.b) && Objects.equals(b, p.a)); + } + return false; + } + } +} diff --git a/src/main/java/ru/redguy/tasks/Task3.java b/src/main/java/ru/redguy/tasks/Task3.java new file mode 100755 index 0000000..7bdc042 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task3.java @@ -0,0 +1,28 @@ +package ru.redguy.tasks; + +import javafx.util.Pair; +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.*; +import java.util.stream.Collectors; + +@ATask("3") +public class Task3 extends Task { + @Override + public void run() throws IOException { + HashMap albums = new HashMap<>(); + HashMap a = new HashMap<>(); + Arrays.stream(getFile("альбомы.csv").split("\n")) + .map(txt -> txt.split(";")) + .forEach(row -> albums.put(row[0],row[2])); + Arrays.stream(getFile("треки.csv") + .split("\n")) + .map(txt -> txt.split(";")) + .filter(row -> row[3].equals("1")) + .map(row -> new Pair<>(albums.get(row[2]), Integer.parseInt(row[4]))) + .forEach(pair -> a.put(pair.getKey(),a.containsKey(pair.getKey())?a.get(pair.getKey())+pair.getValue():pair.getValue())); + a.entrySet().stream().max(Comparator.comparingInt(Map.Entry::getValue)).ifPresent(System.out::println); + } +} diff --git a/src/main/java/ru/redguy/tasks/Task4.java b/src/main/java/ru/redguy/tasks/Task4.java new file mode 100755 index 0000000..a477f80 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task4.java @@ -0,0 +1,38 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.ArrayList; + +@ATask("4") +public class Task4 extends Task { + @Override + public void run() throws IOException { + ArrayList Mas = new ArrayList<>(); + for (int i = 0; i < 5; i++) { + Mas.add(0); + } + + int m; + + Mas.set(1,1); + + Mas.set(2,17); + + Mas.set(3,14); + + Mas.set(4,13); + + m=0; + + for (int k = 1; k < 3; k++) { + if(Mas.get(k) < 34) { + m = m+2; + } + } + + System.out.println(m); + } +} diff --git a/src/main/java/ru/redguy/tasks/Task5.java b/src/main/java/ru/redguy/tasks/Task5.java new file mode 100755 index 0000000..00afdc8 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task5.java @@ -0,0 +1,24 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.ArrayList; + +@ATask("5") +public class Task5 extends Task { + @Override + public void run() throws IOException { + for (int j = 0; j < 20; j++) { + int S = j; + int A = 1; + for (int i = 0; i < 6; i++) { + S = S + 3; + + A = A + 1; + } + System.out.println(j + " " + S); + } + } +} diff --git a/src/main/java/ru/redguy/tasks/Task50.java b/src/main/java/ru/redguy/tasks/Task50.java new file mode 100755 index 0000000..132efc9 --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task50.java @@ -0,0 +1,25 @@ +package ru.redguy.tasks; + +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; + +@ATask("50") +public class Task50 extends Task { + @Override + public void run() throws IOException { + for (int N = 0; N < 50; N++) { + String bin = Integer.toString(N,2); + if(N%2==0) { + bin+="01"; + } else { + bin+="10"; + } + int parsed = Integer.parseInt(bin,2); + if(parsed>=73) { + System.out.println(N + " - " + parsed); + } + } + } +} diff --git a/src/main/java/ru/redguy/tasks/Task5028.java b/src/main/java/ru/redguy/tasks/Task5028.java new file mode 100755 index 0000000..0d5956c --- /dev/null +++ b/src/main/java/ru/redguy/tasks/Task5028.java @@ -0,0 +1,43 @@ +package ru.redguy.tasks; + +import com.google.common.collect.Lists; +import ru.redguy.ATask; +import ru.redguy.Task; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashMap; + +@ATask("5028") +public class Task5028 extends Task { + + @Override + public void run() throws IOException { + HashMap map = new HashMap<>(); + String s = getFile("27-98b.txt"); + ArrayList arr = Lists.newArrayList(s.split("\r\n")); + String header = arr.get(0); + arr.remove(0); + int max = Integer.parseInt(header.split(" ")[1]); + var ref = new Object() { + int lineMax = 0; + int line = 0; + }; + arr.stream() + .map(Integer::parseInt) + .forEach(k -> { + if(k