제출 #700853

#제출 시각아이디문제언어결과실행 시간메모리
700853PenguinsAreCuteLamps (JOI19_lamps)C++17
4 / 100
46 ms6112 KiB
#include <bits/stdc++.h>
using namespace std;
int main() {
    int N, blocks = 0; cin >> N; string A, B; cin >> A >> B;
    if(B[0] == '1') blocks++;
    for(int i = 1; i < N; i++) {
        if(B[i] == '1' && B[i - 1] == '0') blocks++;
    }
    cout << blocks;
}
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