| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 645581 |
2022-09-27T11:27:11 Z |
Pety |
Cigle (COI21_cigle) |
C++14 |
|
189 ms |
67460 KB |
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int INF = 1e9;
const int MOD = 1e9 + 7;
int dp[5002][5002], sum[5002], n, pref[5002];
int main ()
{
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
cin >> n;
for (int i = 1; i <= n; i++) {
int a;
cin >> a;
sum[i] = sum[i - 1] + a;
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j < i; j++)
pref[j] = max(pref[j - 1], dp[j][i - 1]);
int matches = 0;
int ind = i - 1, best = pref[i - 1];
for (int j = i; j <= n; j++) {
dp[i][j] = best;
while (ind > 0 && sum[j] - sum[i - 1] > sum[i - 1] - sum[ind])
ind--;
if (ind && sum[j] - sum[i - 1] == sum[i - 1] - sum[ind]) {
matches++;
best = max(best, matches + pref[ind]);
}
}
}
int mx = 0;
for (int i = 1; i <= n; i++)
mx = max(mx, dp[i][n]);
cout << mx << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
596 KB |
Output is correct |
| 11 |
Correct |
1 ms |
596 KB |
Output is correct |
| 12 |
Correct |
1 ms |
596 KB |
Output is correct |
| 13 |
Correct |
1 ms |
584 KB |
Output is correct |
| 14 |
Correct |
1 ms |
596 KB |
Output is correct |
| 15 |
Correct |
1 ms |
596 KB |
Output is correct |
| 16 |
Correct |
1 ms |
596 KB |
Output is correct |
| 17 |
Correct |
1 ms |
596 KB |
Output is correct |
| 18 |
Correct |
1 ms |
596 KB |
Output is correct |
| 19 |
Correct |
1 ms |
596 KB |
Output is correct |
| 20 |
Correct |
1 ms |
596 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2772 KB |
Output is correct |
| 4 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 7 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 8 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 9 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2760 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2772 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
596 KB |
Output is correct |
| 11 |
Correct |
1 ms |
596 KB |
Output is correct |
| 12 |
Correct |
1 ms |
596 KB |
Output is correct |
| 13 |
Correct |
1 ms |
584 KB |
Output is correct |
| 14 |
Correct |
1 ms |
596 KB |
Output is correct |
| 15 |
Correct |
1 ms |
596 KB |
Output is correct |
| 16 |
Correct |
1 ms |
596 KB |
Output is correct |
| 17 |
Correct |
1 ms |
596 KB |
Output is correct |
| 18 |
Correct |
1 ms |
596 KB |
Output is correct |
| 19 |
Correct |
1 ms |
596 KB |
Output is correct |
| 20 |
Correct |
1 ms |
596 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 23 |
Correct |
5 ms |
2772 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 27 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 28 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 29 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 31 |
Correct |
2 ms |
2760 KB |
Output is correct |
| 32 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 33 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 34 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 35 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 36 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 37 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 38 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 39 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 40 |
Correct |
3 ms |
2768 KB |
Output is correct |
| 41 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 42 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 43 |
Correct |
2 ms |
2768 KB |
Output is correct |
| 44 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 45 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 46 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 47 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 48 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 49 |
Correct |
2 ms |
2772 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
596 KB |
Output is correct |
| 11 |
Correct |
1 ms |
596 KB |
Output is correct |
| 12 |
Correct |
1 ms |
596 KB |
Output is correct |
| 13 |
Correct |
1 ms |
584 KB |
Output is correct |
| 14 |
Correct |
1 ms |
596 KB |
Output is correct |
| 15 |
Correct |
1 ms |
596 KB |
Output is correct |
| 16 |
Correct |
1 ms |
596 KB |
Output is correct |
| 17 |
Correct |
1 ms |
596 KB |
Output is correct |
| 18 |
Correct |
1 ms |
596 KB |
Output is correct |
| 19 |
Correct |
1 ms |
596 KB |
Output is correct |
| 20 |
Correct |
1 ms |
596 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 23 |
Correct |
5 ms |
2772 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 27 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 28 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 29 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 31 |
Correct |
2 ms |
2760 KB |
Output is correct |
| 32 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 33 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 34 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 35 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 36 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 37 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 38 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 39 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 40 |
Correct |
3 ms |
2768 KB |
Output is correct |
| 41 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 42 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 43 |
Correct |
2 ms |
2768 KB |
Output is correct |
| 44 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 45 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 46 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 47 |
Correct |
2 ms |
2764 KB |
Output is correct |
| 48 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 49 |
Correct |
2 ms |
2772 KB |
Output is correct |
| 50 |
Correct |
141 ms |
67276 KB |
Output is correct |
| 51 |
Correct |
139 ms |
67324 KB |
Output is correct |
| 52 |
Correct |
140 ms |
67336 KB |
Output is correct |
| 53 |
Correct |
137 ms |
67332 KB |
Output is correct |
| 54 |
Correct |
144 ms |
67248 KB |
Output is correct |
| 55 |
Correct |
139 ms |
67288 KB |
Output is correct |
| 56 |
Correct |
173 ms |
67332 KB |
Output is correct |
| 57 |
Correct |
172 ms |
67300 KB |
Output is correct |
| 58 |
Correct |
189 ms |
67308 KB |
Output is correct |
| 59 |
Correct |
177 ms |
67364 KB |
Output is correct |
| 60 |
Correct |
179 ms |
67264 KB |
Output is correct |
| 61 |
Correct |
167 ms |
67276 KB |
Output is correct |
| 62 |
Correct |
156 ms |
67276 KB |
Output is correct |
| 63 |
Correct |
150 ms |
67460 KB |
Output is correct |
| 64 |
Correct |
169 ms |
67396 KB |
Output is correct |
| 65 |
Correct |
152 ms |
67252 KB |
Output is correct |
| 66 |
Correct |
151 ms |
67324 KB |
Output is correct |
| 67 |
Correct |
151 ms |
67296 KB |
Output is correct |
| 68 |
Correct |
146 ms |
67236 KB |
Output is correct |
| 69 |
Correct |
143 ms |
67320 KB |
Output is correct |
| 70 |
Correct |
176 ms |
67340 KB |
Output is correct |
| 71 |
Correct |
182 ms |
67316 KB |
Output is correct |
| 72 |
Correct |
163 ms |
67300 KB |
Output is correct |
