| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 420799 |
2021-06-08T13:58:58 Z |
maximath_1 |
Cigle (COI21_cigle) |
C++11 |
|
296 ms |
67376 KB |
#include <iostream>
#include <unordered_map>
#include <algorithm>
#include <set>
#include <string>
#include <vector>
#include <random>
#include <deque>
using namespace std;
mt19937 rng(420691273);
#define ll long long
const int MX = 5e3 + 5;
int n, v[MX], dp[MX][MX];
int main(){
cin.tie(0) -> sync_with_stdio(0);
cin >> n;
for(int i = 0; i < n; i ++) cin >> v[i];
for(int ps = 0; ps < n; ps ++){
for(int l = 1; l <= ps; l ++)
dp[l][ps] = max(dp[l][ps], dp[l - 1][ps]);
int up = 0, dn = 0, cnt = -1;
for(int l = ps, r = ps + 1; l >= 0 && r < n;){
if(up == dn){
cnt ++;
dp[ps + 1][r] = max(dp[ps + 1][r], dp[l][ps] + cnt);
dn += v[l --]; up += v[r ++];
}else if(up < dn)
up += v[r ++];
else if(up > dn)
dn += v[l --];
}
for(int r = ps + 1; r < n; r ++)
dp[ps + 1][r] = max(dp[ps + 1][r], dp[ps + 1][r - 1]);
}
int ans = 0;
for(int l = 0; l < n; l ++)
ans = max(ans, dp[l][n - 1]);
cout << ans << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
324 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
324 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
584 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
584 KB |
Output is correct |
| 14 |
Correct |
1 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
640 KB |
Output is correct |
| 16 |
Correct |
1 ms |
588 KB |
Output is correct |
| 17 |
Correct |
1 ms |
588 KB |
Output is correct |
| 18 |
Correct |
1 ms |
580 KB |
Output is correct |
| 19 |
Correct |
1 ms |
588 KB |
Output is correct |
| 20 |
Correct |
1 ms |
584 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 2 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 3 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 6 |
Correct |
5 ms |
2756 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 9 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 10 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 11 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 12 |
Correct |
3 ms |
2740 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
324 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
584 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
584 KB |
Output is correct |
| 14 |
Correct |
1 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
640 KB |
Output is correct |
| 16 |
Correct |
1 ms |
588 KB |
Output is correct |
| 17 |
Correct |
1 ms |
588 KB |
Output is correct |
| 18 |
Correct |
1 ms |
580 KB |
Output is correct |
| 19 |
Correct |
1 ms |
588 KB |
Output is correct |
| 20 |
Correct |
1 ms |
584 KB |
Output is correct |
| 21 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 22 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 23 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 24 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 25 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 26 |
Correct |
5 ms |
2756 KB |
Output is correct |
| 27 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 28 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 29 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 30 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 31 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 32 |
Correct |
3 ms |
2740 KB |
Output is correct |
| 33 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 34 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 35 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 36 |
Correct |
5 ms |
2764 KB |
Output is correct |
| 37 |
Correct |
4 ms |
2756 KB |
Output is correct |
| 38 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 39 |
Correct |
5 ms |
2736 KB |
Output is correct |
| 40 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 41 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 42 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 43 |
Correct |
4 ms |
2756 KB |
Output is correct |
| 44 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 45 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 46 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 47 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 48 |
Correct |
4 ms |
2760 KB |
Output is correct |
| 49 |
Correct |
5 ms |
2764 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
324 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
584 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
584 KB |
Output is correct |
| 14 |
Correct |
1 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
640 KB |
Output is correct |
| 16 |
Correct |
1 ms |
588 KB |
Output is correct |
| 17 |
Correct |
1 ms |
588 KB |
Output is correct |
| 18 |
Correct |
1 ms |
580 KB |
Output is correct |
| 19 |
Correct |
1 ms |
588 KB |
Output is correct |
| 20 |
Correct |
1 ms |
584 KB |
Output is correct |
| 21 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 22 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 23 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 24 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 25 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 26 |
Correct |
5 ms |
2756 KB |
Output is correct |
| 27 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 28 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 29 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 30 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 31 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 32 |
Correct |
3 ms |
2740 KB |
Output is correct |
| 33 |
Correct |
3 ms |
2764 KB |
Output is correct |
| 34 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 35 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 36 |
Correct |
5 ms |
2764 KB |
Output is correct |
| 37 |
Correct |
4 ms |
2756 KB |
Output is correct |
| 38 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 39 |
Correct |
5 ms |
2736 KB |
Output is correct |
| 40 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 41 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 42 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 43 |
Correct |
4 ms |
2756 KB |
Output is correct |
| 44 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 45 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 46 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 47 |
Correct |
4 ms |
2764 KB |
Output is correct |
| 48 |
Correct |
4 ms |
2760 KB |
Output is correct |
| 49 |
Correct |
5 ms |
2764 KB |
Output is correct |
| 50 |
Correct |
249 ms |
67244 KB |
Output is correct |
| 51 |
Correct |
234 ms |
67184 KB |
Output is correct |
| 52 |
Correct |
252 ms |
67216 KB |
Output is correct |
| 53 |
Correct |
240 ms |
67260 KB |
Output is correct |
| 54 |
Correct |
252 ms |
67232 KB |
Output is correct |
| 55 |
Correct |
254 ms |
67268 KB |
Output is correct |
| 56 |
Correct |
296 ms |
67208 KB |
Output is correct |
| 57 |
Correct |
276 ms |
67376 KB |
Output is correct |
| 58 |
Correct |
273 ms |
67196 KB |
Output is correct |
| 59 |
Correct |
281 ms |
67180 KB |
Output is correct |
| 60 |
Correct |
282 ms |
67268 KB |
Output is correct |
| 61 |
Correct |
253 ms |
67232 KB |
Output is correct |
| 62 |
Correct |
248 ms |
67184 KB |
Output is correct |
| 63 |
Correct |
240 ms |
67220 KB |
Output is correct |
| 64 |
Correct |
249 ms |
67280 KB |
Output is correct |
| 65 |
Correct |
242 ms |
67296 KB |
Output is correct |
| 66 |
Correct |
251 ms |
67228 KB |
Output is correct |
| 67 |
Correct |
229 ms |
67308 KB |
Output is correct |
| 68 |
Correct |
252 ms |
67276 KB |
Output is correct |
| 69 |
Correct |
237 ms |
67268 KB |
Output is correct |
| 70 |
Correct |
270 ms |
67236 KB |
Output is correct |
| 71 |
Correct |
284 ms |
67312 KB |
Output is correct |
| 72 |
Correct |
270 ms |
67332 KB |
Output is correct |
