//Billions of bilious blue blistering barnacles in a thundering typhoon!
//Yesterday is history, tomorrow is a mystery, today is a gift of God, which is why we call it the present.
#include<bits/stdc++.h>
#define F first
#define S second
#define lx node * 2
#define rx node * 2 + 1
#define md ((s + e) / 2)
#define mid (l + (r - l) / 2)
#define all(x) x.begin(), x.end()
typedef long long ll;
using namespace std;
int a[5005], dp[5005][5005], Dp[5005][5005];
void solve(){
int n;
cin >> n;
for(int i = 1; i <= n; i++){
cin >> a[i];
}
int ans = 0;
for(int i = 1; i <= n; i++){
int sumL = 0, sumR = 0, cnt = 0;
int k = i - 1;
for(int j = i + 1; j <= n; j++){
dp[i][j] = dp[i][j - 1];
sumR += a[j - 1];
while(k > 1 && sumL < sumR){
sumL += a[k--];
}
cnt += (sumL == sumR);
dp[i][j] = max(dp[i][j], Dp[k][i - 1] + cnt);
Dp[i][j] = max(Dp[i - 1][j], dp[i][j]);
}
ans = max(ans, dp[i][n]);
}
cout << ans << "\n";
}
int main(){
ios::sync_with_stdio(0), cin.tie(0);
int tt = 1;
//cin >> tt;
while(tt--){
solve();
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2780 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2780 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2904 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2860 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2652 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 2 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 3 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 4 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 5 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 6 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 7 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 8 |
Correct |
6 ms |
13148 KB |
Output is correct |
| 9 |
Correct |
4 ms |
13236 KB |
Output is correct |
| 10 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 11 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 12 |
Correct |
4 ms |
13192 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2780 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2904 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2860 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 21 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 22 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 23 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 24 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 25 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 26 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 27 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 28 |
Correct |
6 ms |
13148 KB |
Output is correct |
| 29 |
Correct |
4 ms |
13236 KB |
Output is correct |
| 30 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 31 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 32 |
Correct |
4 ms |
13192 KB |
Output is correct |
| 33 |
Correct |
4 ms |
13264 KB |
Output is correct |
| 34 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 35 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 36 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 37 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 38 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 39 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 40 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 41 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 42 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 43 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 44 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 45 |
Correct |
4 ms |
13400 KB |
Output is correct |
| 46 |
Correct |
4 ms |
13556 KB |
Output is correct |
| 47 |
Correct |
5 ms |
13244 KB |
Output is correct |
| 48 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 49 |
Correct |
4 ms |
13148 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2780 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2400 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2904 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2860 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 21 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 22 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 23 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 24 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 25 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 26 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 27 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 28 |
Correct |
6 ms |
13148 KB |
Output is correct |
| 29 |
Correct |
4 ms |
13236 KB |
Output is correct |
| 30 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 31 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 32 |
Correct |
4 ms |
13192 KB |
Output is correct |
| 33 |
Correct |
4 ms |
13264 KB |
Output is correct |
| 34 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 35 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 36 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 37 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 38 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 39 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 40 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 41 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 42 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 43 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 44 |
Correct |
5 ms |
13148 KB |
Output is correct |
| 45 |
Correct |
4 ms |
13400 KB |
Output is correct |
| 46 |
Correct |
4 ms |
13556 KB |
Output is correct |
| 47 |
Correct |
5 ms |
13244 KB |
Output is correct |
| 48 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 49 |
Correct |
4 ms |
13148 KB |
Output is correct |
| 50 |
Correct |
101 ms |
171244 KB |
Output is correct |
| 51 |
Correct |
104 ms |
171452 KB |
Output is correct |
| 52 |
Correct |
91 ms |
171348 KB |
Output is correct |
| 53 |
Correct |
93 ms |
171344 KB |
Output is correct |
| 54 |
Correct |
95 ms |
171284 KB |
Output is correct |
| 55 |
Correct |
97 ms |
171296 KB |
Output is correct |
| 56 |
Correct |
122 ms |
171244 KB |
Output is correct |
| 57 |
Correct |
105 ms |
171296 KB |
Output is correct |
| 58 |
Correct |
119 ms |
171436 KB |
Output is correct |
| 59 |
Correct |
118 ms |
171300 KB |
Output is correct |
| 60 |
Correct |
126 ms |
171268 KB |
Output is correct |
| 61 |
Correct |
109 ms |
171344 KB |
Output is correct |
| 62 |
Correct |
104 ms |
171436 KB |
Output is correct |
| 63 |
Correct |
102 ms |
171256 KB |
Output is correct |
| 64 |
Correct |
111 ms |
171240 KB |
Output is correct |
| 65 |
Correct |
110 ms |
171468 KB |
Output is correct |
| 66 |
Correct |
102 ms |
171460 KB |
Output is correct |
| 67 |
Correct |
97 ms |
171460 KB |
Output is correct |
| 68 |
Correct |
97 ms |
171348 KB |
Output is correct |
| 69 |
Correct |
95 ms |
171348 KB |
Output is correct |
| 70 |
Correct |
116 ms |
171288 KB |
Output is correct |
| 71 |
Correct |
119 ms |
171388 KB |
Output is correct |
| 72 |
Correct |
117 ms |
171352 KB |
Output is correct |
