제출 #733510

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
733510	2023-05-01 01:07:47	rahulverma	Martian DNA (BOI18_dna)	Java	100 / 100	1668 ms	38176 KiB

dna

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import java.io.*;
import java.util.*;
 class dna {
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    // two pointers
    
    Scanner s = new Scanner(System.in);
    int n = s.nextInt();
    int k = s.nextInt();
    int r = s.nextInt();
    int[] freq = new int[k+5];
    int[] req = new int[k+5];
    int[] arr = new int[n];
    for(int i = 0; i < n; i++) {
      arr[i] = s.nextInt();
      freq[arr[i]]++;
    }
    for(int i = 0; i < r; i++) {
      int v1 = s.nextInt();
      int v2 = s.nextInt();
      req[v1] += v2;
    }
    for(int i = 0; i < k + 5; i++) {
      if(freq[i] < req[i]) {
        System.out.println("impossible");
        return;
      }
 
 
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• Subtask 4: 32 / 32