oj.uz

Submission #850155

# Submission time Handle Problem Language Result Execution time Memory
850155 2023-09-15T22:01:49 Z askow Art Exhibition (JOI18_art) C++14
100 / 100
 146 ms 28944 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin>>n;
    pair<int,int>a[n+1];
    int pref[n+1];
    pref[0]=0;
    for(int i=1;i<=n;i++){
        int u,v;
        cin>>u>>v;
        a[i]={u,v};
    }
    sort(a+1,a+n+1);
    for(int i=1;i<=n;++i)pref[i]=pref[i-1]+a[i].second;
    int ans=0;
    /*
    for(int i=1;i<=n;i++){
        for(int j=i;j<=n;j++){
            //ans=max(ans,pref[j]-pref[i-1]-a[j].first-a[i].first);
            int A=(pref[j]);
            int b=pref[i-1];
            int c=a[j].first;
            int d=a[i].first;
            // (a-b)-(c-d)
            // a-b-c+d
            ans=max(ans,A-c-b+d);
        }
    }*/
    int suf[n+2];
    suf[n+1]=-1e18;
    for(int i=n;i>=1;i--)suf[i]=max(suf[i+1],pref[i]-a[i].first);
    for(int i=1;i<=n;i++)ans=max(ans,suf[i]-pref[i-1]+a[i].first);
    cout<<ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 344 KB Output is correct
8 Correct 1 ms 600 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

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 344 KB Output is correct
8 Correct 1 ms 600 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 1 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 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 344 KB Output is correct
8 Correct 1 ms 600 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 1 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 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 2 ms 568 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 2 ms 564 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 600 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 420 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 344 KB Output is correct
8 Correct 1 ms 600 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 1 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 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 2 ms 568 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 600 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 2 ms 564 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 600 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 420 KB Output is correct
52 Correct 136 ms 16012 KB Output is correct
53 Correct 139 ms 28672 KB Output is correct
54 Correct 134 ms 28684 KB Output is correct
55 Correct 139 ms 28684 KB Output is correct
56 Correct 137 ms 28548 KB Output is correct
57 Correct 135 ms 28548 KB Output is correct
58 Correct 138 ms 28752 KB Output is correct
59 Correct 139 ms 28684 KB Output is correct
60 Correct 146 ms 28668 KB Output is correct
61 Correct 135 ms 28504 KB Output is correct
62 Correct 134 ms 28684 KB Output is correct
63 Correct 134 ms 28672 KB Output is correct
64 Correct 135 ms 28756 KB Output is correct
65 Correct 136 ms 28940 KB Output is correct
66 Correct 135 ms 28692 KB Output is correct
67 Correct 135 ms 28676 KB Output is correct
68 Correct 140 ms 28944 KB Output is correct