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Submission #989133

# Submission time Handle Problem Language Result Execution time Memory
989133 2024-05-27T15:06:53 Z Chal1k Bigger segments (IZhO19_segments) C++14
27 / 100
 48 ms 15836 KB 
#include <bits/stdc++.h>
#include <math.h>
#pragma GCC target("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;

#define SPEED ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define str string
#define pb push_back
#define pf push_front
#define nl "\n"
#define int long long
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define ff first
#define ss second
#define len(a) a.size()
#define sz(v) (int)(v.size())
#define pii pair<int,int>
const int N = 5e5 + 1;
const int md = 998244353;
const int mod = 1e9 + 7;
const int mega = 1e6 + 3;
const int inf = 1e9;
int n , a[N + 1] , dp[505][505] , pref[N];
void solve(){
    cin >> n;
    for(int i = 1; i <= n; ++i)cin >> a[i] , pref[i] = pref[i - 1] + a[i];
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= n; ++j){
            dp[i][j] = -inf;
        }
    }
    for(int i = 1; i <= n; ++ i) dp[1][i] = 1;
    for(int i = 1; i <= n; ++i){
        for(int j = i; j >= 1; j--){
            for(int k = j - 1; k >= 1; k--){
                int sum1 = pref[i] - pref[j - 1];
                int sum2 = pref[j - 1] - pref[k - 1];
                if(sum2 <= sum1){
                    dp[j][i] = max(dp[j][i] , dp[k][j - 1] + 1);
                }
            }
        }
    }
    int ans = 0;
    for(int i = 1; i <= n; ++i)ans = max(dp[i][n] , ans);
    cout << ans << nl;
}
signed main(){
    SPEED;
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
    #ifndef ONLINE_JUDGE
    cerr << "\n" << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
    #endif
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4696 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4696 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 30 ms 4444 KB Output is correct
17 Correct 45 ms 4444 KB Output is correct
18 Correct 43 ms 4440 KB Output is correct
19 Correct 27 ms 4444 KB Output is correct
20 Correct 30 ms 4444 KB Output is correct
21 Correct 44 ms 4444 KB Output is correct
22 Correct 23 ms 4444 KB Output is correct
23 Correct 10 ms 4576 KB Output is correct
24 Correct 43 ms 4444 KB Output is correct
25 Correct 44 ms 4444 KB Output is correct
26 Correct 34 ms 4440 KB Output is correct
27 Correct 25 ms 4444 KB Output is correct
28 Correct 48 ms 4444 KB Output is correct
29 Correct 33 ms 4548 KB Output is correct
30 Correct 29 ms 4440 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4696 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 30 ms 4444 KB Output is correct
17 Correct 45 ms 4444 KB Output is correct
18 Correct 43 ms 4440 KB Output is correct
19 Correct 27 ms 4444 KB Output is correct
20 Correct 30 ms 4444 KB Output is correct
21 Correct 44 ms 4444 KB Output is correct
22 Correct 23 ms 4444 KB Output is correct
23 Correct 10 ms 4576 KB Output is correct
24 Correct 43 ms 4444 KB Output is correct
25 Correct 44 ms 4444 KB Output is correct
26 Correct 34 ms 4440 KB Output is correct
27 Correct 25 ms 4444 KB Output is correct
28 Correct 48 ms 4444 KB Output is correct
29 Correct 33 ms 4548 KB Output is correct
30 Correct 29 ms 4440 KB Output is correct
31 Runtime error 11 ms 15836 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4696 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 30 ms 4444 KB Output is correct
17 Correct 45 ms 4444 KB Output is correct
18 Correct 43 ms 4440 KB Output is correct
19 Correct 27 ms 4444 KB Output is correct
20 Correct 30 ms 4444 KB Output is correct
21 Correct 44 ms 4444 KB Output is correct
22 Correct 23 ms 4444 KB Output is correct
23 Correct 10 ms 4576 KB Output is correct
24 Correct 43 ms 4444 KB Output is correct
25 Correct 44 ms 4444 KB Output is correct
26 Correct 34 ms 4440 KB Output is correct
27 Correct 25 ms 4444 KB Output is correct
28 Correct 48 ms 4444 KB Output is correct
29 Correct 33 ms 4548 KB Output is correct
30 Correct 29 ms 4440 KB Output is correct
31 Runtime error 11 ms 15836 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4696 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 30 ms 4444 KB Output is correct
17 Correct 45 ms 4444 KB Output is correct
18 Correct 43 ms 4440 KB Output is correct
19 Correct 27 ms 4444 KB Output is correct
20 Correct 30 ms 4444 KB Output is correct
21 Correct 44 ms 4444 KB Output is correct
22 Correct 23 ms 4444 KB Output is correct
23 Correct 10 ms 4576 KB Output is correct
24 Correct 43 ms 4444 KB Output is correct
25 Correct 44 ms 4444 KB Output is correct
26 Correct 34 ms 4440 KB Output is correct
27 Correct 25 ms 4444 KB Output is correct
28 Correct 48 ms 4444 KB Output is correct
29 Correct 33 ms 4548 KB Output is correct
30 Correct 29 ms 4440 KB Output is correct
31 Runtime error 11 ms 15836 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -