Submission #1367254

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367254		po_rag526	가로등 (APIO19_street_lamps)	C++20	20 / 100	1 ms	580 KiB

street_lamps

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

const int N = 110;
int n, q;
string s[N];

int main() {
    cin.tie(nullptr)->ios_base::sync_with_stdio(false);
    cin >> n >> q >> s[1];
    for (int i = 2; i <= q + 1; i++) {
        s[i] = s[i-1];
        string type;
        cin >> type;
        if (type == "toggle") {
            int pos;
            cin >> pos; pos--;
            s[i][pos] = '1' + '0' - s[i][pos];
        }
        else {
            int a, b;
            cin >> a >> b; a--, b -= 2;
            int total = 0;
            for (int j = 1; j < i; j++) {
                bool ok = true;
                for (int k = a; k <= b; k++) {
                    if (s[j][k] == '0') ok = false;
                }
                total += ok;
            }
            cout << total << "\n";
        }
    }
}

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