#include <bits/stdc++.h>
#include <ext/rope>
#include <random>
#include <chrono>
#include <ext/pb_ds/assoc_container.hpp>
#define file ""
#define all(x) x.begin(), x.end()
#define sc second
#define fr first
#define pb push_back
#define mp make_pair
#define pss pair<line*, line*>
using namespace std;
using namespace __gnu_cxx;
typedef long long ll;
typedef pair <int, int> pii;
const int inf = 1e9;
const int MOD = 1e9 + 7;
const int dx[] = {+1, -1, 0, 0};
const int dy[] = {0, 0, +1, -1};
int const N = 5e5 + 1;
int main() {
ios_base :: sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<ll> a(n + 1), pref(n + 1);
for (int i = 1; i <= n; i++)
cin >> a[i];
for (int i = 1; i <= n; i++)
pref[i] = pref[i - 1] + a[i];
vector<pair<ll, ll>> dp(n + 1);
for (int i = 1; i <= n; i++) {
for (int j = 0; j < i; j++) {
if (pref[i] - pref[j] >= dp[j].sc) {
if (dp[j].fr + 1 >= dp[i].fr) {
dp[i].fr = dp[j].fr + 1;
dp[i].sc = pref[i] - pref[j];
}
}
}
}
/*for (int i = 1; i <= n; i++) {
cout << dp[i].fr << " " << dp[i].sc << endl;
} */
cout << dp[n].fr;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
256 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
256 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
6 ms |
384 KB |
Output is correct |
28 |
Correct |
5 ms |
384 KB |
Output is correct |
29 |
Correct |
5 ms |
384 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
256 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
6 ms |
384 KB |
Output is correct |
28 |
Correct |
5 ms |
384 KB |
Output is correct |
29 |
Correct |
5 ms |
384 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
9 ms |
384 KB |
Output is correct |
32 |
Correct |
12 ms |
512 KB |
Output is correct |
33 |
Correct |
12 ms |
512 KB |
Output is correct |
34 |
Correct |
12 ms |
384 KB |
Output is correct |
35 |
Correct |
13 ms |
512 KB |
Output is correct |
36 |
Correct |
13 ms |
512 KB |
Output is correct |
37 |
Correct |
11 ms |
384 KB |
Output is correct |
38 |
Correct |
8 ms |
384 KB |
Output is correct |
39 |
Correct |
12 ms |
384 KB |
Output is correct |
40 |
Correct |
13 ms |
512 KB |
Output is correct |
41 |
Correct |
12 ms |
384 KB |
Output is correct |
42 |
Correct |
12 ms |
384 KB |
Output is correct |
43 |
Correct |
12 ms |
384 KB |
Output is correct |
44 |
Correct |
14 ms |
384 KB |
Output is correct |
45 |
Correct |
13 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
256 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
6 ms |
384 KB |
Output is correct |
28 |
Correct |
5 ms |
384 KB |
Output is correct |
29 |
Correct |
5 ms |
384 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
9 ms |
384 KB |
Output is correct |
32 |
Correct |
12 ms |
512 KB |
Output is correct |
33 |
Correct |
12 ms |
512 KB |
Output is correct |
34 |
Correct |
12 ms |
384 KB |
Output is correct |
35 |
Correct |
13 ms |
512 KB |
Output is correct |
36 |
Correct |
13 ms |
512 KB |
Output is correct |
37 |
Correct |
11 ms |
384 KB |
Output is correct |
38 |
Correct |
8 ms |
384 KB |
Output is correct |
39 |
Correct |
12 ms |
384 KB |
Output is correct |
40 |
Correct |
13 ms |
512 KB |
Output is correct |
41 |
Correct |
12 ms |
384 KB |
Output is correct |
42 |
Correct |
12 ms |
384 KB |
Output is correct |
43 |
Correct |
12 ms |
384 KB |
Output is correct |
44 |
Correct |
14 ms |
384 KB |
Output is correct |
45 |
Correct |
13 ms |
384 KB |
Output is correct |
46 |
Execution timed out |
1591 ms |
3840 KB |
Time limit exceeded |
47 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
256 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
6 ms |
384 KB |
Output is correct |
28 |
Correct |
5 ms |
384 KB |
Output is correct |
29 |
Correct |
5 ms |
384 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
9 ms |
384 KB |
Output is correct |
32 |
Correct |
12 ms |
512 KB |
Output is correct |
33 |
Correct |
12 ms |
512 KB |
Output is correct |
34 |
Correct |
12 ms |
384 KB |
Output is correct |
35 |
Correct |
13 ms |
512 KB |
Output is correct |
36 |
Correct |
13 ms |
512 KB |
Output is correct |
37 |
Correct |
11 ms |
384 KB |
Output is correct |
38 |
Correct |
8 ms |
384 KB |
Output is correct |
39 |
Correct |
12 ms |
384 KB |
Output is correct |
40 |
Correct |
13 ms |
512 KB |
Output is correct |
41 |
Correct |
12 ms |
384 KB |
Output is correct |
42 |
Correct |
12 ms |
384 KB |
Output is correct |
43 |
Correct |
12 ms |
384 KB |
Output is correct |
44 |
Correct |
14 ms |
384 KB |
Output is correct |
45 |
Correct |
13 ms |
384 KB |
Output is correct |
46 |
Execution timed out |
1591 ms |
3840 KB |
Time limit exceeded |
47 |
Halted |
0 ms |
0 KB |
- |