Submission #406679

#	Time	Username	Problem	Language	Result	Execution time	Memory
406679		tengiz05	가로등 (APIO19_street_lamps)	C++17	20 / 100	5058 ms	524292 KiB

street_lamps

#include <bits/stdc++.h>
int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int n, q;
    std::cin >> n >> q;
    std::vector<std::string> v(1);
    std::cin >> v[0];
    while (q--) {
        std::string type;
        std::cin >> type;
        std::string toadd = v.back();
        if (type == "query") {
            int l, r;
            std::cin >> l >> r;
            l--;
            r-=2;
            int res = 0;
            for (auto &x : v) {
                if (std::accumulate(x.begin() + l, x.begin() + r + 1, 0) - '0' * (r - l + 1) == r - l + 1) {
                    res++;
                }
            }
            std::cout << res << '\n';
        } else {
            int p;
            std::cin >> p;
            p--;
            toadd[p] ^= 1;
        }
        v.push_back(toadd);
    }
}

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