HELLo WORLD

https://www.acmicpc.net/problem/1920 import java.io.*;import java.util.*;public class Main { static int binarySearch(int[] arr, int target){ int left = 0; int right = arr.length-1; while(left

https://www.acmicpc.net/problem/2110 import java.io.*;import java.util.*;public class Main { static int countNum(int[] arr, int N, long distance){ int count = 1; int last = arr[0]; for(int i=1;i=distance){ count++; last = arr[i]; } } return count; } public static void main(String[] args) throws IOExcepti..

https://www.acmicpc.net/problem/2805 import java.io.*;import java.util.*;public class Main { static long countNum(int[] arr, int N, long standard){ long tot = 0; for(int i=0;i0){ tot+=val; } } return tot; } public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStrea..

https://www.acmicpc.net/problem/1654 이분탐색을 생각을 못했네,,import java.io.*;import java.util.*;public class Main { static long countNum(int[] arr, int k, long standard){ long tot = 0; for(int i = 0; i = N){ answer = mid; left = mid + 1; } else { right = mid - 1; } } System.out.println(answer); }}

https://www.acmicpc.net/problem/2075 import java.util.*;import java.io.*;class Main { static class Point implements Comparable { int val; public Point(int val) { this.val = val; } @Override public int compareTo(Point p) { return this.val - p.val; // 오름차순으로 정렬 } } public static void main(String[] args) throws IOException { ..

https://www.acmicpc.net/problem/12851 import java.util.*;import java.io.*;class Main { static class Point { int pos; int cnt; public Point(int pos, int cnt) { this.pos = pos; this.cnt = cnt; } } static int N, K, min = Integer.MAX_VALUE, cnt = 0; static boolean[] visited = new boolean[100001]; public static void main(String[] args) ..

https://www.acmicpc.net/problem/1743  import java.util.*;import java.io.*;class Main { static int N,M,K,num; static int[][] arr; static boolean[][] visited; static int[] dx = {-1,1,0,0}; static int[] dy = {0,0,-1,1}; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer..

https://www.acmicpc.net/problem/1303  import java.util.*;import java.io.*;class Main { static int N,M,num,WCount,BCount; static char[][] arr; static boolean[][] visited; static int[] dx = {-1,1,0,0}; static int[] dy = {0,0,-1,1}; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); St..

https://www.codetree.ai/trails/complete/curated-cards/challenge-yutnori-1d/description Code Tree | Learning to Code with ConfidenceA super-comprehensive, meticulously arranged Coding Learning Curriculum engineered by Algorithm Experts composed of former International Olympiad in Informatics (IOI) medalists.www.codetree.ai import java.io.*;import java.util.*;public class Main { static int N,M,..

https://www.codetree.ai/trails/complete/curated-cards/intro-n-permutations-of-k-with-repetition-under-constraint/description Code Tree | Learning to Code with ConfidenceA super-comprehensive, meticulously arranged Coding Learning Curriculum engineered by Algorithm Experts composed of former International Olympiad in Informatics (IOI) medalists.www.codetree.ai import java.io.*;import java.util.*;..