제출 #427929

#제출 시각아이디문제언어결과실행 시간메모리
427929tengiz05Lamps (JOI19_lamps)C++17
4 / 100
10 ms4412 KiB
#include <bits/stdc++.h>
int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int n;
    std::cin >> n;
    std::string a, b;
    std::cin >> a >> b;
    int ans = 0;
    for (int i = 0; i < n; i++) {
        if (b[i] != '1') {
            continue;
        }
        while (i + 1 < n && b[i + 1] == '1') {
            i++;
        }
        ans++;
    }
    std::cout << ans << "\n";
    return 0;
}
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