#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 5007;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;
int n, a[M], dp[M][M], ans;
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n;
for(int i = 1; i <= n; ++i) cin >> a[i];
for(int i = 1; i <= n; ++i){
int lenk = 0, lenj = 0, k = i, cnt = 0;
for(int j = i; j <= n; ++j){
lenj += a[j];
while(k > 1 && lenk < lenj) lenk += a[--k];
dp[i][j] = max(dp[i][j], dp[k][i - 1] + cnt);
if(lenj == lenk) ++cnt;
}
for(int j = i + 1; j <= n; ++j) dp[i][j] = max(dp[i][j], dp[i][j - 1]);
}
for(int i = 1; i <= n; ++i) ans = max(ans, dp[i][n]);
cout << ans << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
2772 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |