#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define pi pair<long long, long long>
#define f first
#define s second
const int maxn = 500000;
int n;
int a[maxn];
pi dp[maxn];
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
for(int i = 1; i <= n; i++) cin >> a[i];
for(int i = 1; i <= n; i++){
for(int j = i - 1, s = a[i]; j >= 0; j--){
if(dp[j].f >= dp[i].f && s >= dp[j].s) dp[i] = {dp[j].f + 1, s};
s += a[j];
}
}
cout << dp[n].f << endl;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
248 KB |
Output is correct |
| 5 |
Correct |
4 ms |
248 KB |
Output is correct |
| 6 |
Correct |
4 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
4 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
4 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
4 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
248 KB |
Output is correct |
| 5 |
Correct |
4 ms |
248 KB |
Output is correct |
| 6 |
Correct |
4 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
4 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
4 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
4 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 22 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
248 KB |
Output is correct |
| 5 |
Correct |
4 ms |
248 KB |
Output is correct |
| 6 |
Correct |
4 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
4 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
4 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
4 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 22 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
248 KB |
Output is correct |
| 5 |
Correct |
4 ms |
248 KB |
Output is correct |
| 6 |
Correct |
4 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
4 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
4 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
4 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 22 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
248 KB |
Output is correct |
| 5 |
Correct |
4 ms |
248 KB |
Output is correct |
| 6 |
Correct |
4 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
4 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
4 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
4 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 22 |
Halted |
0 ms |
0 KB |
- |
