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Submission #1071346

# Submission time Handle Problem Language Result Execution time Memory
1071346 2024-08-23T06:48:54 Z vjudge1 Art Exhibition (JOI18_art) C++17
50 / 100
 1000 ms 18904 KB 
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
using namespace std;

const int N = 5e5 + 11;
pair<int, int> a[N];
int pref[N];
int cost(int i, int j) {
    int sum = pref[j] - pref[i - 1];
    int mx = a[j].fi, mn = a[i].fi;
    return sum - (mx - mn);
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n;
    cin >> n;
    
    for(int i = 1; i <= n; i++){
        cin>>a[i].fi>>a[i].se;
    }
    sort(a + 1, a + 1 + n);
    for(int i = 1; i <= n; i++){
        pref[i] = pref[i - 1] + a[i].se;
    }
    //i-th, pref[i] - a[i].fi
    //j-th -pref[j - 1] + a[j].fi
    int ans = 0;
    for(int i = 1; i <= n; i++) {
        for(int j = i; j >= 1; j--) {
            ans = max(ans, (pref[i] - a[i].fi) + (-pref[j - 1] + a[j].fi));
        }
    }
    cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2516 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2516 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2516 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2516 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2516 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2516 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2516 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 17 ms 2652 KB Output is correct
28 Correct 16 ms 2680 KB Output is correct
29 Correct 11 ms 2904 KB Output is correct
30 Correct 11 ms 2644 KB Output is correct
31 Correct 11 ms 2904 KB Output is correct
32 Correct 11 ms 2648 KB Output is correct
33 Correct 11 ms 2680 KB Output is correct
34 Correct 11 ms 2684 KB Output is correct
35 Correct 14 ms 2652 KB Output is correct
36 Correct 11 ms 2652 KB Output is correct
37 Correct 11 ms 2684 KB Output is correct
38 Correct 11 ms 2652 KB Output is correct
39 Correct 11 ms 2648 KB Output is correct
40 Correct 17 ms 2652 KB Output is correct
41 Correct 11 ms 2652 KB Output is correct
42 Correct 16 ms 2680 KB Output is correct
43 Correct 11 ms 2652 KB Output is correct
44 Correct 11 ms 2652 KB Output is correct
45 Correct 16 ms 2688 KB Output is correct
46 Correct 15 ms 2648 KB Output is correct
47 Correct 17 ms 2652 KB Output is correct
48 Correct 11 ms 2680 KB Output is correct
49 Correct 17 ms 2652 KB Output is correct
50 Correct 17 ms 2684 KB Output is correct
51 Correct 12 ms 2632 KB Output is correct

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2516 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2516 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2516 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 17 ms 2652 KB Output is correct
28 Correct 16 ms 2680 KB Output is correct
29 Correct 11 ms 2904 KB Output is correct
30 Correct 11 ms 2644 KB Output is correct
31 Correct 11 ms 2904 KB Output is correct
32 Correct 11 ms 2648 KB Output is correct
33 Correct 11 ms 2680 KB Output is correct
34 Correct 11 ms 2684 KB Output is correct
35 Correct 14 ms 2652 KB Output is correct
36 Correct 11 ms 2652 KB Output is correct
37 Correct 11 ms 2684 KB Output is correct
38 Correct 11 ms 2652 KB Output is correct
39 Correct 11 ms 2648 KB Output is correct
40 Correct 17 ms 2652 KB Output is correct
41 Correct 11 ms 2652 KB Output is correct
42 Correct 16 ms 2680 KB Output is correct
43 Correct 11 ms 2652 KB Output is correct
44 Correct 11 ms 2652 KB Output is correct
45 Correct 16 ms 2688 KB Output is correct
46 Correct 15 ms 2648 KB Output is correct
47 Correct 17 ms 2652 KB Output is correct
48 Correct 11 ms 2680 KB Output is correct
49 Correct 17 ms 2652 KB Output is correct
50 Correct 17 ms 2684 KB Output is correct
51 Correct 12 ms 2632 KB Output is correct
52 Execution timed out 1057 ms 18904 KB Time limit exceeded
53 Halted 0 ms 0 KB -