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답안 #1118415

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1118415 2024-11-25T13:05:22 Z Icelast Bigger segments (IZhO19_segments) C++17
37 / 100
 1500 ms 3800 KB 
#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll maxn = 2*1e5+5, INF = 4e18+9;
void solve(){
    int n;
    cin >> n;
    vector<ll> a(n+1);
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    vector<ll> pf(n+1, 0);
    for(int i = 1; i <= n; i++){
        pf[i] = pf[i-1]+a[i];
    }
    auto sum = [&](int l, int r) -> ll{
        return pf[r]-pf[l-1];
    };
    auto chmax = [&](pair<ll, ll> &a, pair<ll, ll> b){
        if(a.first < b.first){
            a = b;
        }else if(a.first == b.first){
            if(a.second > b.second){
                a = b;
            }
        }
    };
    vector<pair<ll, ll>> f(n+1, {-INF, 0});
    f[0] = {0, 0};
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= i; j++){
            if(sum(j, i) >= f[j-1].second){
                chmax(f[i], {f[j-1].first+1, sum(j, i)});
            }
        }
    }
    cout << f[n].first;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    solve();
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 2 ms 460 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 2 ms 460 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 4 ms 348 KB Output is correct
32 Correct 6 ms 348 KB Output is correct
33 Correct 6 ms 348 KB Output is correct
34 Correct 5 ms 516 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 604 KB Output is correct
37 Correct 6 ms 348 KB Output is correct
38 Correct 4 ms 348 KB Output is correct
39 Correct 7 ms 348 KB Output is correct
40 Correct 7 ms 348 KB Output is correct
41 Correct 6 ms 604 KB Output is correct
42 Correct 5 ms 336 KB Output is correct
43 Correct 6 ms 336 KB Output is correct
44 Correct 5 ms 336 KB Output is correct
45 Correct 6 ms 336 KB Output is correct

Subtask #4
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 2 ms 460 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 4 ms 348 KB Output is correct
32 Correct 6 ms 348 KB Output is correct
33 Correct 6 ms 348 KB Output is correct
34 Correct 5 ms 516 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 604 KB Output is correct
37 Correct 6 ms 348 KB Output is correct
38 Correct 4 ms 348 KB Output is correct
39 Correct 7 ms 348 KB Output is correct
40 Correct 7 ms 348 KB Output is correct
41 Correct 6 ms 604 KB Output is correct
42 Correct 5 ms 336 KB Output is correct
43 Correct 6 ms 336 KB Output is correct
44 Correct 5 ms 336 KB Output is correct
45 Correct 6 ms 336 KB Output is correct
46 Execution timed out 1580 ms 3800 KB Time limit exceeded
47 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 2 ms 460 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 4 ms 348 KB Output is correct
32 Correct 6 ms 348 KB Output is correct
33 Correct 6 ms 348 KB Output is correct
34 Correct 5 ms 516 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 7 ms 604 KB Output is correct
37 Correct 6 ms 348 KB Output is correct
38 Correct 4 ms 348 KB Output is correct
39 Correct 7 ms 348 KB Output is correct
40 Correct 7 ms 348 KB Output is correct
41 Correct 6 ms 604 KB Output is correct
42 Correct 5 ms 336 KB Output is correct
43 Correct 6 ms 336 KB Output is correct
44 Correct 5 ms 336 KB Output is correct
45 Correct 6 ms 336 KB Output is correct
46 Execution timed out 1580 ms 3800 KB Time limit exceeded
47 Halted 0 ms 0 KB -