Submission #759441

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
759441	2023-06-16 10:01:52	MetalPower	Martian DNA (BOI18_dna)	C++14	100 / 100	36 ms	4664 KiB

dna

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#include <bits/stdc++.h>
using namespace std;
const int MX = 2e5 + 10;
int N, K, R, arr[MX], cnt[MX], req[MX];
int main(){
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  cin >> N >> K >> R;
  for(int i = 0; i < N; i++) cin >> arr[i];
  for(int i = 0; i < R; i++){
    int B, Q; cin >> B >> Q;
    req[B] = Q;
  }
  int l = 0, r = -1, num = 0;
  for(int i = 0; i < K; i++){
    if(cnt[i] >= req[i]) num++;
  }
  int ans = 1e9 + 7;
  for(; l < N && r < N; l++){
    for(; num < K && r < N; ){
      ++r; cnt[arr[r]]++;
      if(cnt[arr[r]] == req[arr[r]]) num++;
    }
    if(num == K){
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32