Submission #855822

#	Time	Username	Problem	Language	Result	Execution time	Memory
855822		NeroZein	Street Lamps (APIO19_street_lamps)	C++17	20 / 100	5068 ms	30012 KiB

street_lamps

#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;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20