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Submission #985627

# Submission time Handle Problem Language Result Execution time Memory
985627 2024-05-18T10:41:46 Z crafticat Street Lamps (APIO19_street_lamps) C++17
0 / 100
 5000 ms 524288 KB 
#include <bits/stdc++.h>

using namespace std;

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

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

    vector<string> time(q + 1);
    time[0] = s;

    for (int i = 0; i < q; ++i) {
        string t; cin >> t;
        string newTime = time[i];

        time[i + 1] = newTime;
        if (t == "toggle") {
            int a; cin >> a;
            a--;
            newTime[a] = time[i][a] == '1' ? '0' : '1';
            time[i + 1] = newTime;
        } else {
            int a, b; cin >> a >> b;
            a--;
            b--;
            int ans = 0;
            for (int j = 0; j <= i; ++j) {
                bool imp = false;
                for (int k = a; k <= b; ++k) {
                    if (time[j][k] == '0') imp = true;
                }
                if (!imp) ans += 1;
            }
            cout << ans << "\n";
        }
    }

    return 0;
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5052 ms 19368 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1372 KB Output is correct
2 Correct 23 ms 1448 KB Output is correct
3 Correct 44 ms 1712 KB Output is correct
4 Correct 75 ms 1368 KB Output is correct
5 Runtime error 875 ms 524288 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 78 ms 1360 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -