Submission #977748

#	Time	Username	Problem	Language	Result	Execution time	Memory
977748		ZHIRDILBILDIZ	Street Lamps (APIO19_street_lamps)	C++14	20 / 100	47 ms	13972 KiB

street_lamps

#include <bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>

using namespace std;

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

    int t = 1;
    // cin >> t;
    while (t--) {
        int n, q;
        cin >> n >> q;
        char a[n + 1];
        for (int i = 1; i <= n; ++i)
            cin >> a[i];
        string type[q + 1];
        int c[q + 1], d[q + 1];
        for (int i = 1; i <= q; ++i) {
            cin >> type[i] >> c[i];
            if (type[i] == "query")
                cin >> d[i];
        }
        if (n <= 100 && q <= 100) {
            bool b[n + 1][q + 1] = {};
            for (int j = 1; j <= n; ++j)
                b[j][0] = a[j] - '0';
            for (int i = 1; i <= q; ++i) {
                if (type[i] == "toggle") {
                    if (a[c[i]] == '1')
                        a[c[i]] = '0';
                    else
                        a[c[i]] = '1';
                }
                for (int j = 1; j <= n; ++j)
                    b[j][i] = a[j] - '0';
                if (type[i] == "query") {
                    int ans = 0;
                    for (int j = 0; j < i; ++j) {
                        bool flag = 1;
                        for (int z = c[i]; z < d[i]; ++z)
                            flag &= (b[z][j]);
                        ans += flag;
                    }
                    cout << ans << '\n';
                }
            }
            continue;
        }
    }

    return 0;
}

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