Submission #537991

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
537991	2022-03-16 02:10:07	thegrimbee	Martian DNA (BOI18_dna)	C++14	100 / 100	63 ms	6484 KiB

dna

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  #include<bits/stdc++.h>
  using namespace std;
  #define int long long
  bool debug = false;
  signed main(){
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    int n, k, r, temp; cin >> n >> k >> r;
    bool found = false;
    vector<int> v(n);
    for (int i = 0 ;i < n; ++i){
      cin >> v[i];
    }
    vector<int> val(k, 1e9+7);
    for (int i = 0;i < r; ++i){
      cin >> temp;
      cin >> val[temp];
    }
    int lo = 0, hi = n+1, mid = (lo + hi)/2;
    temp = 0;
    while (lo < hi-1){
      if(debug) cout << lo << ' ' << mid << ' ' << hi << "    ";
      temp = 0;
      found = false;
      vector<int> cur(n, 0);
      for (int i = 0; i < mid; ++i){
        cur[v[i]]++;
        if(cur[v[i]] == val[v[i]])temp++;
      }
      if(debug)cout << temp << ' ';
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32