Submission #1031745

#	Time	Username	Problem	Language	Result	Execution time	Memory
1031745		stdfloat	Street Lamps (APIO19_street_lamps)	C++17	20 / 100	69 ms	10980 KiB

street_lamps

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);

    int n, q;
    string s;
    cin >> n >> q >> s;

    vector<int> cnt(n), l(n);
    for (int z = 1; z <= q; z++) {
        string t;
        cin >> t;

        if (t == "toggle") {
            int i;
            cin >> i; i--;

            if (s[i] == '0') s[i] = '1';
            else {
                cnt[i] += z - l[i];
                s[i] = '0';
            }

            l[i] = z;
        }
        else {
            int a, b;
            cin >> a >> b; a--; b--;

            cout << cnt[a] + (s[a] == '1' ? z - l[a] : 0) << '\n';
        }
    }
}

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