Submission #1023818

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1023818	2024-07-15T06:54:17 Z	vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	142 ms	21080 KB

// Stove (JOI 2017/18 Final Round) https://vjudge.net/contest/640014#problem/B 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define nl "\n"
#define inf LONG_LONG_MAX
#define pi pair<int, int>
#define mp make_pair
#define ff first
#define ss second

signed main(){
	fastio
    int n;
    cin >> n;
    pi art[n];
    for (int i=0; i<n; i++){
		int a, b;
		cin >> a >> b;
		art[i] = mp(a, b); // a is size, b is value
	}
	sort(art, art+n); // sort by increasing size
	// iterate from back
	int prev = art[n-1].ss - art[n-1].ff, ans = art[n-1].ss;
	//int end = n-1;
	for (int i=n-2; i>=0; i--){
		int take = prev + art[i].ss;
		int restart = art[i].ss - art[i].ff;
		if(take>restart){
			prev = take;
			ans = max(ans, take + art[i].ff);
		}
		else{
			prev = restart;
			ans = max(ans, restart + art[i].ff);
		}
	}
	cout << ans << nl;
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 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	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 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	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 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	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 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	460 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 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	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	464 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 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	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 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	460 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 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	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	464 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	600 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	1 ms	604 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	1 ms	600 KB	Output is correct
36	Correct	2 ms	860 KB	Output is correct
37	Correct	1 ms	640 KB	Output is correct
38	Correct	1 ms	604 KB	Output is correct
39	Correct	1 ms	604 KB	Output is correct
40	Correct	1 ms	604 KB	Output is correct
41	Correct	1 ms	600 KB	Output is correct
42	Correct	1 ms	604 KB	Output is correct
43	Correct	1 ms	636 KB	Output is correct
44	Correct	1 ms	600 KB	Output is correct
45	Correct	1 ms	604 KB	Output is correct
46	Correct	1 ms	604 KB	Output is correct
47	Correct	1 ms	640 KB	Output is correct
48	Correct	1 ms	604 KB	Output is correct
49	Correct	4 ms	640 KB	Output is correct
50	Correct	1 ms	600 KB	Output is correct
51	Correct	1 ms	604 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 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	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 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	460 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 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	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	464 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	600 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	1 ms	604 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	1 ms	600 KB	Output is correct
36	Correct	2 ms	860 KB	Output is correct
37	Correct	1 ms	640 KB	Output is correct
38	Correct	1 ms	604 KB	Output is correct
39	Correct	1 ms	604 KB	Output is correct
40	Correct	1 ms	604 KB	Output is correct
41	Correct	1 ms	600 KB	Output is correct
42	Correct	1 ms	604 KB	Output is correct
43	Correct	1 ms	636 KB	Output is correct
44	Correct	1 ms	600 KB	Output is correct
45	Correct	1 ms	604 KB	Output is correct
46	Correct	1 ms	604 KB	Output is correct
47	Correct	1 ms	640 KB	Output is correct
48	Correct	1 ms	604 KB	Output is correct
49	Correct	4 ms	640 KB	Output is correct
50	Correct	1 ms	600 KB	Output is correct
51	Correct	1 ms	604 KB	Output is correct
52	Correct	122 ms	20792 KB	Output is correct
53	Correct	116 ms	21076 KB	Output is correct
54	Correct	114 ms	20804 KB	Output is correct
55	Correct	142 ms	20920 KB	Output is correct
56	Correct	113 ms	20924 KB	Output is correct
57	Correct	118 ms	21080 KB	Output is correct
58	Correct	111 ms	20816 KB	Output is correct
59	Correct	122 ms	20920 KB	Output is correct
60	Correct	115 ms	20804 KB	Output is correct
61	Correct	120 ms	20680 KB	Output is correct
62	Correct	122 ms	20924 KB	Output is correct
63	Correct	117 ms	20916 KB	Output is correct
64	Correct	120 ms	20816 KB	Output is correct
65	Correct	119 ms	20820 KB	Output is correct
66	Correct	108 ms	20820 KB	Output is correct
67	Correct	122 ms	20676 KB	Output is correct
68	Correct	123 ms	20816 KB	Output is correct

Submission #1023818

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0