Submission #934332

#	Time	Username	Problem	Language	Result	Execution time	Memory
934332		haxorman	Street Lamps (APIO19_street_lamps)	C++14	20 / 100	129 ms	1336 KiB

street_lamps

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

const int mxN = 107;

int n, q, cnt[mxN][mxN], arr[mxN];

int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n >> q;

    for (int i = 1; i <= n; ++i) {
        char c;
        cin >> c;

        if (c == '1') {
            arr[i] = 1;
        }
    }

    while (q--) {
        for (int i = 1; i <= n; ++i) {
            for (int j = i+1; j <= n+1; ++j) {
                if (!arr[j-1]) {
                    break;
                }
                cnt[i][j]++;
            }
        }

        string t;
        cin >> t;

        if (t[0] == 'q') {
            int a, b;
            cin >> a >> b;

            cout << cnt[a][b] << "\n";
        }
        else {
            int ind;
            cin >> ind;

            arr[ind] ^= 1;
        }
    }
}

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