# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
856087 | vjudge1 | Telefoni (COCI17_telefoni) | C++17 | 1062 ms | 5208 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define sp << " " <<
#define int long long
#define vi vector<int>
#define pb push_back
#define F(xxx,yyy) for (int xxx=1;xxx<=yyy;xxx++)
#define pii pair<int,int>
#define all(x) x.begin()+1,x.end()
const int N = 4e5+1;
void solve() {
int n,d;
cin >> n >> d;
vi a(n+1);
F(i,n) cin >> a[i];
vi l(n+1);
int lst = 1;
F(i,n) {
if (a[i]) lst = i;
l[i] = lst;
}
int ans = 0;
int ptr = n;
while (ptr != 1) {
if (l[ptr] < ptr-d) {
ans++;
ptr-=d;
}
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