| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 707973 |
2023-03-10T16:01:41 Z |
arcane |
Cigle (COI21_cigle) |
C++17 |
|
470 ms |
391888 KB |
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define mp make_pair
#define pb emplace_back
int32_t main(){
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int n, ptr, cnt, ans = 0; cin >> n;
int arr[n], dp[n][n], pref[n][n], prefs[n + 1]; for (int i = 0; i < n; i++) cin >> arr[i];
prefs[0] = 0; for (int i = 0; i < n; i++) prefs[i + 1] = prefs[i] + arr[i];
for (int i = 1; i < n; i++) fill(dp[i], dp[i] + n, 0);
fill(dp[0], dp[0] + n, 0);
for (int i = 1; i < n; i++){
ptr = i - 1; cnt = 0;
for (int j = 0; j < n; j++){
if (!j) pref[i - 1][j] = dp[j][i - 1];
else pref[i - 1][j] = max(dp[j][i - 1], pref[i - 1][j - 1]);
}
for (int j = i; j < n; j++){
if (j == i) dp[i][j] = pref[i - 1][i - 1];
else{
dp[i][j] = dp[i][j - 1];
if (ptr >= 0 and prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]){
if (prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]) cnt += 1;
dp[i][j] = max(dp[i][j], pref[i - 1][ptr] + cnt);
}
while (ptr >= 0 and prefs[i] - prefs[ptr + 1] < prefs[j] - prefs[i]){
ptr--;
if (ptr >= 0 and prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]){
if (prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]) cnt += 1;
dp[i][j] = max(dp[i][j], pref[i - 1][ptr] + cnt);
}
}
}
}
}
for (int i = 0; i < n; i++) ans = max(ans, dp[i][n - 1]);
cout << ans << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
324 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 6 |
Correct |
4 ms |
4296 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4236 KB |
Output is correct |
| 8 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 9 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 10 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 12 |
Correct |
4 ms |
4160 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
324 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 22 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 25 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 26 |
Correct |
4 ms |
4296 KB |
Output is correct |
| 27 |
Correct |
5 ms |
4236 KB |
Output is correct |
| 28 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 29 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 30 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 31 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 32 |
Correct |
4 ms |
4160 KB |
Output is correct |
| 33 |
Correct |
3 ms |
4188 KB |
Output is correct |
| 34 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 35 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 36 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 37 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 38 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 39 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 40 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 41 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 42 |
Correct |
3 ms |
4156 KB |
Output is correct |
| 43 |
Correct |
3 ms |
4160 KB |
Output is correct |
| 44 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 45 |
Correct |
3 ms |
4160 KB |
Output is correct |
| 46 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 47 |
Correct |
5 ms |
4180 KB |
Output is correct |
| 48 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 49 |
Correct |
3 ms |
4180 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
324 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 22 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 25 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 26 |
Correct |
4 ms |
4296 KB |
Output is correct |
| 27 |
Correct |
5 ms |
4236 KB |
Output is correct |
| 28 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 29 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 30 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 31 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 32 |
Correct |
4 ms |
4160 KB |
Output is correct |
| 33 |
Correct |
3 ms |
4188 KB |
Output is correct |
| 34 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 35 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 36 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 37 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 38 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 39 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 40 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 41 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 42 |
Correct |
3 ms |
4156 KB |
Output is correct |
| 43 |
Correct |
3 ms |
4160 KB |
Output is correct |
| 44 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 45 |
Correct |
3 ms |
4160 KB |
Output is correct |
| 46 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 47 |
Correct |
5 ms |
4180 KB |
Output is correct |
| 48 |
Correct |
4 ms |
4180 KB |
Output is correct |
| 49 |
Correct |
3 ms |
4180 KB |
Output is correct |
| 50 |
Correct |
434 ms |
391776 KB |
Output is correct |
| 51 |
Correct |
470 ms |
391772 KB |
Output is correct |
| 52 |
Correct |
435 ms |
391776 KB |
Output is correct |
| 53 |
Correct |
454 ms |
391776 KB |
Output is correct |
| 54 |
Correct |
425 ms |
391776 KB |
Output is correct |
| 55 |
Correct |
424 ms |
391888 KB |
Output is correct |
| 56 |
Correct |
456 ms |
391776 KB |
Output is correct |
| 57 |
Correct |
464 ms |
391776 KB |
Output is correct |
| 58 |
Correct |
453 ms |
391772 KB |
Output is correct |
| 59 |
Correct |
453 ms |
391784 KB |
Output is correct |
| 60 |
Correct |
462 ms |
391872 KB |
Output is correct |
| 61 |
Correct |
426 ms |
391792 KB |
Output is correct |
| 62 |
Correct |
426 ms |
391788 KB |
Output is correct |
| 63 |
Correct |
417 ms |
391672 KB |
Output is correct |
| 64 |
Correct |
424 ms |
391784 KB |
Output is correct |
| 65 |
Correct |
420 ms |
391832 KB |
Output is correct |
| 66 |
Correct |
433 ms |
391712 KB |
Output is correct |
| 67 |
Correct |
415 ms |
391780 KB |
Output is correct |
| 68 |
Correct |
418 ms |
391708 KB |
Output is correct |
| 69 |
Correct |
416 ms |
391816 KB |
Output is correct |
| 70 |
Correct |
437 ms |
391752 KB |
Output is correct |
| 71 |
Correct |
454 ms |
391756 KB |
Output is correct |
| 72 |
Correct |
441 ms |
391784 KB |
Output is correct |
