Submission #147577

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
147577	2019-08-30 07:20:12	KCSC	Telefoni (COCI17_telefoni)	C++14	80 / 80	77 ms	1020 KiB

telefoni

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#include <bits/stdc++.h>
using namespace std;
vector<int> lst;
int main(void) {
    int n, d;
    cin >> n >> d;
    for (int i = 1; i <= n; ++i) {
        int x;
        cin >> x;
        if (x == 1)
            lst.push_back(i);
    }
    reverse(lst.begin(), lst.end());
    int v = 1, nr = 0;
    for (; lst.size(); lst.pop_back()) {
        while (abs(lst.back() - v) > d) {
            ++nr;
            v += d;
        }
        v = lst.back();
    }
    cout << nr;
    return 0;
}
 
 
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• Subtask 1: 80 / 80