oj.uz

Submission #977048

# Submission time Handle Problem Language Result Execution time Memory
977048 2024-05-07T10:47:59 Z 0pt1mus23 Bigger segments (IZhO19_segments) C++14
13 / 100
 1 ms 600 KB 
#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(),v.end()
#define ins insert
#define pb push_back
#define int long long
#define endl '\n'
/*
    m : 11059739 -> l ~23
    p : 4567896467
*/
const int mod =  1e9 +7, sze=2*1e5,inf=LLONG_MAX, prime = 2333;


void gkd(){
    int n;
    cin>>n;
    vector<int> ps(n+1);
    vector<int> arr(n+1);
    for(int i=1;i<=n;i++){
        cin>>arr[i];
        ps[i]+=ps[i-1]+arr[i];
    }
    vector<int> dp(n+1),from(n+1);
    for(int i=1;i<=n;i++){
        from[i]=max(from[i],from[i-1]);
        dp[i]=dp[from[i]]+1;
        int t= lower_bound(all(ps),ps[i]*2 - ps[from[i]]) -ps.begin();
        // cout<<t<<" -> "<<i<<" "<<dp[i]<<" ! "<<ps[i]*2 <<" "<< ps[from[i]]<<endl;
        from[t]=i;
    }
    cout<<dp[n]<<endl;

}

signed main(){
    cin.tie(0)->sync_with_stdio(0);  

    int tt=1; 
    // cin>>tt;
    while(tt--) gkd();
    
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 500 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 500 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Runtime error 1 ms 600 KB Execution killed with signal 6
17 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 500 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Runtime error 1 ms 600 KB Execution killed with signal 6
17 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 500 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Runtime error 1 ms 600 KB Execution killed with signal 6
17 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 500 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Runtime error 1 ms 600 KB Execution killed with signal 6
17 Halted 0 ms 0 KB -