oj.uz

Submission #340898

# Submission time Handle Problem Language Result Execution time Memory
340898 2020-12-28T13:17:49 Z Dilshod_Imomov Bigger segments (IZhO19_segments) C++17
0 / 100
 1 ms 492 KB 
# include <bits/stdc++.h>
# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
# define int long long
# define fi first
# define se second
 
using namespace std;
 
const int N = 5e3 + 7;
const int mod = 1e9 + 7;

int a[N], sum[N], dp[N][N];

int32_t main() {
    speed; 
    int n;
    cin >> n;
    for ( int i = 1; i <= n; i++ ) {
        cin >> a[i];
        sum[i] = sum[i - 1] + a[i];
    }
    for ( int i = 1; i <= n; i++ ) {
        dp[i][1] = 1;
    }
    for ( int i = 1; i <= n; i++ ) {
        int sm = 0;
        for ( int j = i; j > 0; j-- ) {
            sm += a[j];
            int sm1 = 0;
            for ( int k = i + 1; k <= n; k++ ) {
                sm1 += a[k];
                if ( sm1 >= sm ) {
                    dp[k][i + 1] = max( dp[k][i + 1], dp[i][j] + 1 );
                }
            }
        }
    }
    int mx = 0;
    for ( int i = 1; i <= n; i++ ) {
        mx = max( mx, dp[n][i] );
    }
    cout << mx;
}

Subtask #1
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Incorrect 1 ms 492 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Incorrect 1 ms 492 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Incorrect 1 ms 492 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Incorrect 1 ms 492 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Incorrect 1 ms 492 KB Output isn't correct
5 Halted 0 ms 0 KB -