8252 | 2024. 01. 13 20:38:57 | szil | Virágos rét (50 pont) | cpp17 | Elfogadva 50/50 | 13ms | 5724 KiB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int MAXN = 200'001;
int a[MAXN], pref[MAXN];
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int n, k; cin >> n >> k;
for (int i = 1; i <= n; i++) cin >> a[i];
for (int i = 1; i <= n; i++) {
pref[i] = pref[i-1] + a[i];
}
ll ans = 0; int l = 0;
for (int i = 1; i <= n; i++) {
while (l <= i && pref[l] + k <= pref[i]) {
l++;
}
if (a[i])
ans += pref[l];
}
cout << ans << "\n";
return 0;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1960 KiB | |||
2 | Elfogadva | 0/0 | 3ms | 2104 KiB | |||
3 | Elfogadva | 0/0 | 12ms | 4008 KiB | |||
4 | Elfogadva | 2/2 | 3ms | 2480 KiB | |||
5 | Elfogadva | 2/2 | 3ms | 2788 KiB | |||
6 | Elfogadva | 2/2 | 3ms | 2864 KiB | |||
7 | Elfogadva | 3/3 | 3ms | 3068 KiB | |||
8 | Elfogadva | 3/3 | 3ms | 3268 KiB | |||
9 | Elfogadva | 3/3 | 2ms | 3280 KiB | |||
10 | Elfogadva | 2/2 | 2ms | 3276 KiB | |||
11 | Elfogadva | 3/3 | 3ms | 3376 KiB | |||
12 | Elfogadva | 2/2 | 3ms | 3360 KiB | |||
13 | Elfogadva | 3/3 | 3ms | 3280 KiB | |||
14 | Elfogadva | 2/2 | 10ms | 4904 KiB | |||
15 | Elfogadva | 2/2 | 9ms | 5004 KiB | |||
16 | Elfogadva | 3/3 | 13ms | 5016 KiB | |||
17 | Elfogadva | 3/3 | 10ms | 5000 KiB | |||
18 | Elfogadva | 3/3 | 12ms | 5144 KiB | |||
19 | Elfogadva | 3/3 | 10ms | 5320 KiB | |||
20 | Elfogadva | 3/3 | 10ms | 5256 KiB | |||
21 | Elfogadva | 3/3 | 13ms | 5512 KiB | |||
22 | Elfogadva | 3/3 | 10ms | 5724 KiB |