| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 420706 |
2021-06-08T13:26:27 Z |
rama_pang |
Cigle (COI21_cigle) |
C++17 |
|
324 ms |
98400 KB |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int N;
cin >> N;
vector<int> A(N);
for (int i = 0; i < N; i++) {
cin >> A[i];
}
vector<vector<int>> dp(N, vector<int>(N));
for (int mid = N - 1; mid >= 1; mid--) {
for (int i = N - 1; i >= mid; i--) {
if (i + 1 < N) {
dp[mid][i] = max(dp[mid][i], dp[mid][i + 1]);
}
if (mid + 1 < N) {
dp[mid][i] = max(dp[mid][i], dp[mid + 1][i]);
}
}
// [mid - 1, mid] as splitting point
int sumLft = 0;
int sumRgt = 0;
int cost = 0;
int ptr = mid;
for (int i = mid - 1; i >= 0; i--) {
sumLft += A[i];
while (ptr < N && sumRgt < sumLft) {
sumRgt += A[ptr];
ptr += 1;
}
cost += (sumLft == sumRgt);
if (i > 0 && ptr < N) {
dp[i - 1][mid - 1] = max(dp[i - 1][mid - 1], dp[mid][ptr] + cost);
}
}
}
int ans = 0;
for (int i = 0; i < N; i++) {
ans = max(ans, dp[0][i]);
}
cout << ans << '\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
316 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 2 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 3 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1204 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 7 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 8 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 9 |
Correct |
3 ms |
1204 KB |
Output is correct |
| 10 |
Correct |
3 ms |
1256 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1296 KB |
Output is correct |
| 12 |
Correct |
3 ms |
1228 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
316 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 22 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 23 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 24 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 25 |
Correct |
3 ms |
1204 KB |
Output is correct |
| 26 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 27 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 28 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 29 |
Correct |
3 ms |
1204 KB |
Output is correct |
| 30 |
Correct |
3 ms |
1256 KB |
Output is correct |
| 31 |
Correct |
3 ms |
1296 KB |
Output is correct |
| 32 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 33 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 34 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 35 |
Correct |
3 ms |
1212 KB |
Output is correct |
| 36 |
Correct |
3 ms |
1208 KB |
Output is correct |
| 37 |
Correct |
3 ms |
1308 KB |
Output is correct |
| 38 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 39 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 40 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 41 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 42 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 43 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 44 |
Correct |
3 ms |
1208 KB |
Output is correct |
| 45 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 46 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 47 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 48 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 49 |
Correct |
3 ms |
1228 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
316 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 22 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 23 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 24 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 25 |
Correct |
3 ms |
1204 KB |
Output is correct |
| 26 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 27 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 28 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 29 |
Correct |
3 ms |
1204 KB |
Output is correct |
| 30 |
Correct |
3 ms |
1256 KB |
Output is correct |
| 31 |
Correct |
3 ms |
1296 KB |
Output is correct |
| 32 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 33 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 34 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 35 |
Correct |
3 ms |
1212 KB |
Output is correct |
| 36 |
Correct |
3 ms |
1208 KB |
Output is correct |
| 37 |
Correct |
3 ms |
1308 KB |
Output is correct |
| 38 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 39 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 40 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 41 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 42 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 43 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 44 |
Correct |
3 ms |
1208 KB |
Output is correct |
| 45 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 46 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 47 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 48 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 49 |
Correct |
3 ms |
1228 KB |
Output is correct |
| 50 |
Correct |
272 ms |
98388 KB |
Output is correct |
| 51 |
Correct |
275 ms |
98384 KB |
Output is correct |
| 52 |
Correct |
276 ms |
98388 KB |
Output is correct |
| 53 |
Correct |
277 ms |
98384 KB |
Output is correct |
| 54 |
Correct |
306 ms |
98352 KB |
Output is correct |
| 55 |
Correct |
267 ms |
98384 KB |
Output is correct |
| 56 |
Correct |
296 ms |
98304 KB |
Output is correct |
| 57 |
Correct |
311 ms |
98308 KB |
Output is correct |
| 58 |
Correct |
305 ms |
98392 KB |
Output is correct |
| 59 |
Correct |
318 ms |
98392 KB |
Output is correct |
| 60 |
Correct |
293 ms |
98400 KB |
Output is correct |
| 61 |
Correct |
283 ms |
98400 KB |
Output is correct |
| 62 |
Correct |
283 ms |
98400 KB |
Output is correct |
| 63 |
Correct |
277 ms |
98308 KB |
Output is correct |
| 64 |
Correct |
287 ms |
98396 KB |
Output is correct |
| 65 |
Correct |
282 ms |
98392 KB |
Output is correct |
| 66 |
Correct |
324 ms |
98368 KB |
Output is correct |
| 67 |
Correct |
276 ms |
98396 KB |
Output is correct |
| 68 |
Correct |
278 ms |
98396 KB |
Output is correct |
| 69 |
Correct |
297 ms |
98396 KB |
Output is correct |
| 70 |
Correct |
300 ms |
98340 KB |
Output is correct |
| 71 |
Correct |
307 ms |
98392 KB |
Output is correct |
| 72 |
Correct |
314 ms |
98396 KB |
Output is correct |
