Submission #1109186

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1109186	2024-11-06T07:31:33 Z	giaminh2211	Art Exhibition (JOI18_art)	C++14	100 / 100	189 ms	12108 KB

art

#include<bits/stdc++.h>
#define fn(n) for(int i=1; i<=n; i++)
#define f1(n) for(int i=n; i>=1; i--)
#define no cout << "NO";
#define yes cout << "YES";
#define el cout << '\n';
#define a first
#define b second

using namespace std;
using ll=long long;

int n;
pair<ll, ll> a[500002];
ll f[500002];
ll res=-1e18;
ll cur=-1e18;

void nhap(){
    cin >> n;
    for(int i=1; i<=n; i++){
        cin >> a[i].a >> a[i].b;
    }
    sort(a+1, a+n+1);
    for(int i=1; i<=n; i++){
        f[i]=f[i-1]+a[i].b;
    }
}

void solve(){
    for(int i=n; i>=1; i--){
        cur=max(cur, f[i]-a[i].a);
        res=max(res, cur+a[i].a-f[i-1]);
    }
    cout << res;
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    nhap();
    solve();
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2384 KB	Output is correct
2	Correct	1 ms	2384 KB	Output is correct
3	Correct	1 ms	2384 KB	Output is correct
4	Correct	1 ms	2552 KB	Output is correct
5	Correct	1 ms	2384 KB	Output is correct
6	Correct	1 ms	2384 KB	Output is correct
7	Correct	1 ms	2384 KB	Output is correct
8	Correct	1 ms	2384 KB	Output is correct
9	Correct	1 ms	2384 KB	Output is correct
10	Correct	1 ms	2384 KB	Output is correct
11	Correct	1 ms	2384 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2384 KB	Output is correct
2	Correct	1 ms	2384 KB	Output is correct
3	Correct	1 ms	2384 KB	Output is correct
4	Correct	1 ms	2552 KB	Output is correct
5	Correct	1 ms	2384 KB	Output is correct
6	Correct	1 ms	2384 KB	Output is correct
7	Correct	1 ms	2384 KB	Output is correct
8	Correct	1 ms	2384 KB	Output is correct
9	Correct	1 ms	2384 KB	Output is correct
10	Correct	1 ms	2384 KB	Output is correct
11	Correct	1 ms	2384 KB	Output is correct
12	Correct	1 ms	2384 KB	Output is correct
13	Correct	1 ms	2384 KB	Output is correct
14	Correct	1 ms	2384 KB	Output is correct
15	Correct	1 ms	2552 KB	Output is correct
16	Correct	1 ms	2384 KB	Output is correct
17	Correct	1 ms	2384 KB	Output is correct
18	Correct	2 ms	2384 KB	Output is correct
19	Correct	1 ms	2384 KB	Output is correct
20	Correct	1 ms	2384 KB	Output is correct
21	Correct	2 ms	2384 KB	Output is correct
22	Correct	1 ms	2384 KB	Output is correct
23	Correct	1 ms	2384 KB	Output is correct
24	Correct	1 ms	2384 KB	Output is correct
25	Correct	1 ms	2384 KB	Output is correct
26	Correct	1 ms	2384 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2384 KB	Output is correct
2	Correct	1 ms	2384 KB	Output is correct
3	Correct	1 ms	2384 KB	Output is correct
4	Correct	1 ms	2552 KB	Output is correct
5	Correct	1 ms	2384 KB	Output is correct
6	Correct	1 ms	2384 KB	Output is correct
7	Correct	1 ms	2384 KB	Output is correct
8	Correct	1 ms	2384 KB	Output is correct
9	Correct	1 ms	2384 KB	Output is correct
10	Correct	1 ms	2384 KB	Output is correct
11	Correct	1 ms	2384 KB	Output is correct
12	Correct	1 ms	2384 KB	Output is correct
13	Correct	1 ms	2384 KB	Output is correct
14	Correct	1 ms	2384 KB	Output is correct
15	Correct	1 ms	2552 KB	Output is correct
16	Correct	1 ms	2384 KB	Output is correct
17	Correct	1 ms	2384 KB	Output is correct
18	Correct	2 ms	2384 KB	Output is correct
19	Correct	1 ms	2384 KB	Output is correct
20	Correct	1 ms	2384 KB	Output is correct
21	Correct	2 ms	2384 KB	Output is correct
22	Correct	1 ms	2384 KB	Output is correct
23	Correct	1 ms	2384 KB	Output is correct
24	Correct	1 ms	2384 KB	Output is correct
25	Correct	1 ms	2384 KB	Output is correct
26	Correct	1 ms	2384 KB	Output is correct
27	Correct	3 ms	2384 KB	Output is correct
28	Correct	2 ms	2384 KB	Output is correct
29	Correct	2 ms	2384 KB	Output is correct
30	Correct	3 ms	2384 KB	Output is correct
31	Correct	2 ms	2384 KB	Output is correct
32	Correct	2 ms	2384 KB	Output is correct
33	Correct	3 ms	2384 KB	Output is correct
34	Correct	2 ms	2384 KB	Output is correct
35	Correct	3 ms	2384 KB	Output is correct
36	Correct	2 ms	2384 KB	Output is correct
37	Correct	2 ms	2384 KB	Output is correct
38	Correct	2 ms	2384 KB	Output is correct
39	Correct	2 ms	2384 KB	Output is correct
40	Correct	2 ms	2384 KB	Output is correct
41	Correct	3 ms	2384 KB	Output is correct
42	Correct	2 ms	2384 KB	Output is correct
43	Correct	3 ms	2384 KB	Output is correct
44	Correct	2 ms	2384 KB	Output is correct
45	Correct	2 ms	2384 KB	Output is correct
46	Correct	2 ms	2384 KB	Output is correct
47	Correct	2 ms	2384 KB	Output is correct
48	Correct	3 ms	2384 KB	Output is correct
49	Correct	3 ms	2384 KB	Output is correct
50	Correct	3 ms	2556 KB	Output is correct
51	Correct	2 ms	2384 KB	Output is correct

Subtask #4

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2384 KB	Output is correct
2	Correct	1 ms	2384 KB	Output is correct
3	Correct	1 ms	2384 KB	Output is correct
4	Correct	1 ms	2552 KB	Output is correct
5	Correct	1 ms	2384 KB	Output is correct
6	Correct	1 ms	2384 KB	Output is correct
7	Correct	1 ms	2384 KB	Output is correct
8	Correct	1 ms	2384 KB	Output is correct
9	Correct	1 ms	2384 KB	Output is correct
10	Correct	1 ms	2384 KB	Output is correct
11	Correct	1 ms	2384 KB	Output is correct
12	Correct	1 ms	2384 KB	Output is correct
13	Correct	1 ms	2384 KB	Output is correct
14	Correct	1 ms	2384 KB	Output is correct
15	Correct	1 ms	2552 KB	Output is correct
16	Correct	1 ms	2384 KB	Output is correct
17	Correct	1 ms	2384 KB	Output is correct
18	Correct	2 ms	2384 KB	Output is correct
19	Correct	1 ms	2384 KB	Output is correct
20	Correct	1 ms	2384 KB	Output is correct
21	Correct	2 ms	2384 KB	Output is correct
22	Correct	1 ms	2384 KB	Output is correct
23	Correct	1 ms	2384 KB	Output is correct
24	Correct	1 ms	2384 KB	Output is correct
25	Correct	1 ms	2384 KB	Output is correct
26	Correct	1 ms	2384 KB	Output is correct
27	Correct	3 ms	2384 KB	Output is correct
28	Correct	2 ms	2384 KB	Output is correct
29	Correct	2 ms	2384 KB	Output is correct
30	Correct	3 ms	2384 KB	Output is correct
31	Correct	2 ms	2384 KB	Output is correct
32	Correct	2 ms	2384 KB	Output is correct
33	Correct	3 ms	2384 KB	Output is correct
34	Correct	2 ms	2384 KB	Output is correct
35	Correct	3 ms	2384 KB	Output is correct
36	Correct	2 ms	2384 KB	Output is correct
37	Correct	2 ms	2384 KB	Output is correct
38	Correct	2 ms	2384 KB	Output is correct
39	Correct	2 ms	2384 KB	Output is correct
40	Correct	2 ms	2384 KB	Output is correct
41	Correct	3 ms	2384 KB	Output is correct
42	Correct	2 ms	2384 KB	Output is correct
43	Correct	3 ms	2384 KB	Output is correct
44	Correct	2 ms	2384 KB	Output is correct
45	Correct	2 ms	2384 KB	Output is correct
46	Correct	2 ms	2384 KB	Output is correct
47	Correct	2 ms	2384 KB	Output is correct
48	Correct	3 ms	2384 KB	Output is correct
49	Correct	3 ms	2384 KB	Output is correct
50	Correct	3 ms	2556 KB	Output is correct
51	Correct	2 ms	2384 KB	Output is correct
52	Correct	140 ms	11992 KB	Output is correct
53	Correct	189 ms	12000 KB	Output is correct
54	Correct	117 ms	11980 KB	Output is correct
55	Correct	133 ms	12104 KB	Output is correct
56	Correct	151 ms	12104 KB	Output is correct
57	Correct	110 ms	12108 KB	Output is correct
58	Correct	114 ms	12108 KB	Output is correct
59	Correct	111 ms	11988 KB	Output is correct
60	Correct	111 ms	11992 KB	Output is correct
61	Correct	109 ms	11988 KB	Output is correct
62	Correct	115 ms	11992 KB	Output is correct
63	Correct	154 ms	11984 KB	Output is correct
64	Correct	116 ms	11988 KB	Output is correct
65	Correct	132 ms	12104 KB	Output is correct
66	Correct	175 ms	11992 KB	Output is correct
67	Correct	132 ms	11988 KB	Output is correct
68	Correct	125 ms	11992 KB	Output is correct