Submission #915660

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
915660	2024-01-24T13:29:34 Z	SmuggingSpun	Art Exhibition (JOI18_art)	C++14	100 / 100	141 ms	30544 KB

#include<bits/stdc++.h>
#define taskname "art"
using namespace std;
typedef long long ll;
template<class T>void maximize(T& a, T b){
	if(a < b){
		a = b;
	}
}
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
	int n;
	cin >> n;
	vector<pair<ll, ll>>a(n);
	for(auto& [x, y] : a){
		cin >> x >> y;
	}
	a.emplace_back(make_pair(-1, 0));
	sort(a.begin(), a.end());
	for(int i = 1; i <= n; i++){
		a[i].second += a[i - 1].second;
	}
	ll cur_max = -LLONG_MAX, ans = -LLONG_MAX;
	for(int i = 1; i <= n; i++){
		maximize(cur_max, a[i].first - a[i - 1].second);
		maximize(ans, a[i].second - a[i].first + cur_max);
	}
	cout << ans;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:18:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   18 |  for(auto& [x, y] : a){
      |            ^
art.cpp:13:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |   freopen(taskname".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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	1 ms	348 KB	Output is correct
6	Correct	1 ms	372 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	460 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	1 ms	348 KB	Output is correct
6	Correct	1 ms	372 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	460 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	456 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	460 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	460 KB	Output is correct
22	Correct	1 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	1 ms	348 KB	Output is correct
6	Correct	1 ms	372 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	460 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	456 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	460 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	460 KB	Output is correct
22	Correct	1 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	2 ms	668 KB	Output is correct
29	Correct	3 ms	600 KB	Output is correct
30	Correct	2 ms	604 KB	Output is correct
31	Correct	2 ms	604 KB	Output is correct
32	Correct	2 ms	604 KB	Output is correct
33	Correct	2 ms	728 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	2 ms	668 KB	Output is correct
36	Correct	2 ms	604 KB	Output is correct
37	Correct	2 ms	604 KB	Output is correct
38	Correct	2 ms	604 KB	Output is correct
39	Correct	2 ms	664 KB	Output is correct
40	Correct	2 ms	724 KB	Output is correct
41	Correct	2 ms	604 KB	Output is correct
42	Correct	2 ms	604 KB	Output is correct
43	Correct	2 ms	604 KB	Output is correct
44	Correct	2 ms	600 KB	Output is correct
45	Correct	2 ms	604 KB	Output is correct
46	Correct	2 ms	604 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	604 KB	Output is correct
50	Correct	2 ms	716 KB	Output is correct
51	Correct	2 ms	604 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	1 ms	348 KB	Output is correct
6	Correct	1 ms	372 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	460 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	456 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	460 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	460 KB	Output is correct
22	Correct	1 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	2 ms	668 KB	Output is correct
29	Correct	3 ms	600 KB	Output is correct
30	Correct	2 ms	604 KB	Output is correct
31	Correct	2 ms	604 KB	Output is correct
32	Correct	2 ms	604 KB	Output is correct
33	Correct	2 ms	728 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	2 ms	668 KB	Output is correct
36	Correct	2 ms	604 KB	Output is correct
37	Correct	2 ms	604 KB	Output is correct
38	Correct	2 ms	604 KB	Output is correct
39	Correct	2 ms	664 KB	Output is correct
40	Correct	2 ms	724 KB	Output is correct
41	Correct	2 ms	604 KB	Output is correct
42	Correct	2 ms	604 KB	Output is correct
43	Correct	2 ms	604 KB	Output is correct
44	Correct	2 ms	600 KB	Output is correct
45	Correct	2 ms	604 KB	Output is correct
46	Correct	2 ms	604 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	604 KB	Output is correct
50	Correct	2 ms	716 KB	Output is correct
51	Correct	2 ms	604 KB	Output is correct
52	Correct	133 ms	28496 KB	Output is correct
53	Correct	141 ms	29000 KB	Output is correct
54	Correct	132 ms	29892 KB	Output is correct
55	Correct	130 ms	29520 KB	Output is correct
56	Correct	132 ms	29780 KB	Output is correct
57	Correct	136 ms	29112 KB	Output is correct
58	Correct	140 ms	30272 KB	Output is correct
59	Correct	131 ms	29136 KB	Output is correct
60	Correct	131 ms	29248 KB	Output is correct
61	Correct	133 ms	30272 KB	Output is correct
62	Correct	130 ms	29008 KB	Output is correct
63	Correct	136 ms	29636 KB	Output is correct
64	Correct	131 ms	30544 KB	Output is correct
65	Correct	131 ms	29520 KB	Output is correct
66	Correct	135 ms	30528 KB	Output is correct
67	Correct	132 ms	30404 KB	Output is correct
68	Correct	131 ms	28992 KB	Output is correct

Submission #915660

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