Submission #570524

#	Time	Username	Problem	Language	Result	Execution time	Memory
570524		timreizin	Lamps (JOI19_lamps)	C++17	4 / 100	7 ms	4456 KiB

lamp

#include <iostream>
#include <vector>
#include <numeric>
#include <cmath>
#include <set>
#include <array>
#include <algorithm>

using namespace std;

using ll = long long;

int main()
{
    cin.tie(0)->sync_with_stdio(0);
    int n;
    string a, b;
    cin >> n >> a >> b;
    b.push_back('0');
    int res = 0;
    for (int i = 1; i <= n; ++i) res += b[i] == '0' && b[i - 1] == '1';
    cout << res;
    return 0;
}

• Subtask 1: 0 / 6
• Subtask 2: 0 / 41
• Subtask 3: 4 / 4
• Subtask 4: 0 / 49