oj.uz

Submission #1022475

# Submission time Handle Problem Language Result Execution time Memory
1022475 2024-07-13T14:50:56 Z phoenix Bigger segments (IZhO19_segments) C++17
37 / 100
 7 ms 552 KB 
#include<bits/stdc++.h>

#ifdef LOCAL
#include "../prettyprint.hpp"
#define cerr cout
#define debug(x) cerr << "\033[36m"<< __LINE__ << ":\033[39m "  << (#x) << " = " << (x) << '\n'
#else 
#define cerr if(false) cout
#define debug(x) 42
#endif


using namespace std;
using ll = long long;

const int N = 3030;

int n;
int a[N];
ll s[N];

int dp[N];
ll opt[N];

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++) 
        s[i] = s[i - 1] + a[i];
    
    dp[0] = 0; opt[0] = 0;

    for (int i = 1; i <= n; i++) {
        for (int j = 0; j < i; j++) {
            if (s[i] >= opt[j] + s[j]) {
                dp[i] = max(dp[i], dp[j] + 1);
                opt[i] = s[i] - s[j];
            }
        }
    }
    cout << dp[n];
}

Subtask #1
13.0 / 13.0

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

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 348 KB Output is correct
32 Correct 5 ms 552 KB Output is correct
33 Correct 5 ms 540 KB Output is correct
34 Correct 5 ms 348 KB Output is correct
35 Correct 5 ms 348 KB Output is correct
36 Correct 5 ms 344 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 3 ms 348 KB Output is correct
39 Correct 5 ms 348 KB Output is correct
40 Correct 5 ms 344 KB Output is correct
41 Correct 7 ms 348 KB Output is correct
42 Correct 5 ms 348 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 5 ms 348 KB Output is correct
45 Correct 5 ms 528 KB Output is correct

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 348 KB Output is correct
32 Correct 5 ms 552 KB Output is correct
33 Correct 5 ms 540 KB Output is correct
34 Correct 5 ms 348 KB Output is correct
35 Correct 5 ms 348 KB Output is correct
36 Correct 5 ms 344 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 3 ms 348 KB Output is correct
39 Correct 5 ms 348 KB Output is correct
40 Correct 5 ms 344 KB Output is correct
41 Correct 7 ms 348 KB Output is correct
42 Correct 5 ms 348 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 5 ms 348 KB Output is correct
45 Correct 5 ms 528 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Incorrect 2 ms 348 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 348 KB Output is correct
32 Correct 5 ms 552 KB Output is correct
33 Correct 5 ms 540 KB Output is correct
34 Correct 5 ms 348 KB Output is correct
35 Correct 5 ms 348 KB Output is correct
36 Correct 5 ms 344 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 3 ms 348 KB Output is correct
39 Correct 5 ms 348 KB Output is correct
40 Correct 5 ms 344 KB Output is correct
41 Correct 7 ms 348 KB Output is correct
42 Correct 5 ms 348 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 5 ms 348 KB Output is correct
45 Correct 5 ms 528 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Incorrect 2 ms 348 KB Output isn't correct
48 Halted 0 ms 0 KB -