제출 #855822

#제출 시각아이디문제언어결과실행 시간메모리
855822NeroZein가로등 (APIO19_street_lamps)C++17
20 / 100
5068 ms30012 KiB
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, q;
  cin >> n >> q;
  string s;
  cin >> s;
  vector<map<int, int>> mp(n); 
  while (q--) {
    string qs;
    cin >> qs;
    for (int i = 0; i < n; ++i) {
      for (int j = i; j < n; ++j) {
        if (s[j] == '0') break;
        mp[i][j + 1]++; 
      }
    }
    if (qs == "query") {
      int l, r;
      cin >> l >> r;
      --l, --r;
      cout << mp[l][r] << '\n'; 
    } else {
      int i;
      cin >> i;
      s[i - 1] ^= 1; 
    }
  }
  return 0;
}
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