#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
const int N = 5e5 + 5;
int n,a[N];
long long pref[N];
pair<int,long long> dp[N];
int main(){
ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
cin >> n;
for(int i = 1; i <= n; i++){
cin >> a[i];
pref[i] = pref[i - 1] + a[i];
}
dp[1] = {1,a[1]};
for(int i = 2; i <= n; i++){
dp[i] = {dp[i - 1].F,pref[i]};
for(int j = 1; j < i; j++){
if(pref[i] - pref[j] >= dp[j].S && dp[i].F <= dp[j].F + 1){
dp[i] = {dp[j].F + 1,pref[i] - pref[j]};
}
}
}
cout << dp[n].F;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 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 |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
504 KB |
Output is correct |
6 |
Correct |
5 ms |
264 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
392 KB |
Output is correct |
14 |
Correct |
5 ms |
380 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 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 |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
504 KB |
Output is correct |
6 |
Correct |
5 ms |
264 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
392 KB |
Output is correct |
14 |
Correct |
5 ms |
380 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 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 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 |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
504 KB |
Output is correct |
6 |
Correct |
5 ms |
264 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
392 KB |
Output is correct |
14 |
Correct |
5 ms |
380 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 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
10 ms |
504 KB |
Output is correct |
32 |
Correct |
11 ms |
504 KB |
Output is correct |
33 |
Correct |
12 ms |
516 KB |
Output is correct |
34 |
Correct |
11 ms |
504 KB |
Output is correct |
35 |
Correct |
14 ms |
504 KB |
Output is correct |
36 |
Correct |
12 ms |
508 KB |
Output is correct |
37 |
Correct |
10 ms |
460 KB |
Output is correct |
38 |
Correct |
8 ms |
376 KB |
Output is correct |
39 |
Correct |
10 ms |
504 KB |
Output is correct |
40 |
Correct |
12 ms |
504 KB |
Output is correct |
41 |
Correct |
11 ms |
376 KB |
Output is correct |
42 |
Correct |
11 ms |
504 KB |
Output is correct |
43 |
Correct |
12 ms |
376 KB |
Output is correct |
44 |
Correct |
11 ms |
504 KB |
Output is correct |
45 |
Correct |
12 ms |
508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 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 |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
504 KB |
Output is correct |
6 |
Correct |
5 ms |
264 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
392 KB |
Output is correct |
14 |
Correct |
5 ms |
380 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 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
10 ms |
504 KB |
Output is correct |
32 |
Correct |
11 ms |
504 KB |
Output is correct |
33 |
Correct |
12 ms |
516 KB |
Output is correct |
34 |
Correct |
11 ms |
504 KB |
Output is correct |
35 |
Correct |
14 ms |
504 KB |
Output is correct |
36 |
Correct |
12 ms |
508 KB |
Output is correct |
37 |
Correct |
10 ms |
460 KB |
Output is correct |
38 |
Correct |
8 ms |
376 KB |
Output is correct |
39 |
Correct |
10 ms |
504 KB |
Output is correct |
40 |
Correct |
12 ms |
504 KB |
Output is correct |
41 |
Correct |
11 ms |
376 KB |
Output is correct |
42 |
Correct |
11 ms |
504 KB |
Output is correct |
43 |
Correct |
12 ms |
376 KB |
Output is correct |
44 |
Correct |
11 ms |
504 KB |
Output is correct |
45 |
Correct |
12 ms |
508 KB |
Output is correct |
46 |
Execution timed out |
1574 ms |
3088 KB |
Time limit exceeded |
47 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 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 |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
504 KB |
Output is correct |
6 |
Correct |
5 ms |
264 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
392 KB |
Output is correct |
14 |
Correct |
5 ms |
380 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 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
10 ms |
504 KB |
Output is correct |
32 |
Correct |
11 ms |
504 KB |
Output is correct |
33 |
Correct |
12 ms |
516 KB |
Output is correct |
34 |
Correct |
11 ms |
504 KB |
Output is correct |
35 |
Correct |
14 ms |
504 KB |
Output is correct |
36 |
Correct |
12 ms |
508 KB |
Output is correct |
37 |
Correct |
10 ms |
460 KB |
Output is correct |
38 |
Correct |
8 ms |
376 KB |
Output is correct |
39 |
Correct |
10 ms |
504 KB |
Output is correct |
40 |
Correct |
12 ms |
504 KB |
Output is correct |
41 |
Correct |
11 ms |
376 KB |
Output is correct |
42 |
Correct |
11 ms |
504 KB |
Output is correct |
43 |
Correct |
12 ms |
376 KB |
Output is correct |
44 |
Correct |
11 ms |
504 KB |
Output is correct |
45 |
Correct |
12 ms |
508 KB |
Output is correct |
46 |
Execution timed out |
1574 ms |
3088 KB |
Time limit exceeded |
47 |
Halted |
0 ms |
0 KB |
- |