Submission #971857

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
971857	2024-04-29T12:06:36 Z	Sunbae	Art Exhibition (JOI18_art)	C++17	100 / 100	161 ms	24916 KB

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int N = 5e5 + 5;
ll qs[N];
pair<ll,ll> A[N];
ll f(int i){
	if(i < 0) return 0; return qs[i];
}
signed main(){
	int n; scanf("%d", &n);
	for(int i = 0; i<n; ++i){
		ll a, b; scanf("%lld %lld", &a, &b);
		A[i] = make_pair(a, b);
	}
	sort(A, A+n);
	for(int i = 0; i<n; ++i){
		qs[i] = A[i].second;
		if(i) qs[i] += qs[i-1];
	}
	ll mx = LLONG_MIN, ans = LLONG_MIN;
	for(int i = 0; i<n; ++i){
		mx = max(mx, A[i].first - f(i-1));
		ans = max(ans, mx + qs[i] - A[i].first);
	}
	printf("%lld\n", ans);
}

Compilation message

art.cpp: In function 'll f(int)':
art.cpp:8:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    8 |  if(i < 0) return 0; return qs[i];
      |  ^~
art.cpp:8:22: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    8 |  if(i < 0) return 0; return qs[i];
      |                      ^~~~~~
art.cpp: In function 'int main()':
art.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  int n; scanf("%d", &n);
      |         ~~~~~^~~~~~~~~~
art.cpp:13:17: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |   ll a, b; scanf("%lld %lld", &a, &b);
      |            ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2392 KB	Output is correct
10	Correct	1 ms	2396 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	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2392 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 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	2396 KB	Output is correct
20	Correct	1 ms	2392 KB	Output is correct
21	Correct	1 ms	2392 KB	Output is correct
22	Correct	1 ms	2392 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2392 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 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	2396 KB	Output is correct
20	Correct	1 ms	2392 KB	Output is correct
21	Correct	1 ms	2392 KB	Output is correct
22	Correct	1 ms	2392 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	2 ms	2652 KB	Output is correct
28	Correct	2 ms	2652 KB	Output is correct
29	Correct	2 ms	2596 KB	Output is correct
30	Correct	2 ms	2652 KB	Output is correct
31	Correct	2 ms	2652 KB	Output is correct
32	Correct	2 ms	2652 KB	Output is correct
33	Correct	2 ms	2652 KB	Output is correct
34	Correct	2 ms	2652 KB	Output is correct
35	Correct	2 ms	2652 KB	Output is correct
36	Correct	2 ms	2652 KB	Output is correct
37	Correct	2 ms	2504 KB	Output is correct
38	Correct	2 ms	2652 KB	Output is correct
39	Correct	2 ms	2652 KB	Output is correct
40	Correct	2 ms	2648 KB	Output is correct
41	Correct	2 ms	2852 KB	Output is correct
42	Correct	2 ms	2652 KB	Output is correct
43	Correct	2 ms	2644 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct
45	Correct	2 ms	2612 KB	Output is correct
46	Correct	2 ms	2660 KB	Output is correct
47	Correct	2 ms	2656 KB	Output is correct
48	Correct	2 ms	2504 KB	Output is correct
49	Correct	2 ms	2648 KB	Output is correct
50	Correct	2 ms	2652 KB	Output is correct
51	Correct	2 ms	2500 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2392 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 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	2396 KB	Output is correct
20	Correct	1 ms	2392 KB	Output is correct
21	Correct	1 ms	2392 KB	Output is correct
22	Correct	1 ms	2392 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	2 ms	2652 KB	Output is correct
28	Correct	2 ms	2652 KB	Output is correct
29	Correct	2 ms	2596 KB	Output is correct
30	Correct	2 ms	2652 KB	Output is correct
31	Correct	2 ms	2652 KB	Output is correct
32	Correct	2 ms	2652 KB	Output is correct
33	Correct	2 ms	2652 KB	Output is correct
34	Correct	2 ms	2652 KB	Output is correct
35	Correct	2 ms	2652 KB	Output is correct
36	Correct	2 ms	2652 KB	Output is correct
37	Correct	2 ms	2504 KB	Output is correct
38	Correct	2 ms	2652 KB	Output is correct
39	Correct	2 ms	2652 KB	Output is correct
40	Correct	2 ms	2648 KB	Output is correct
41	Correct	2 ms	2852 KB	Output is correct
42	Correct	2 ms	2652 KB	Output is correct
43	Correct	2 ms	2644 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct
45	Correct	2 ms	2612 KB	Output is correct
46	Correct	2 ms	2660 KB	Output is correct
47	Correct	2 ms	2656 KB	Output is correct
48	Correct	2 ms	2504 KB	Output is correct
49	Correct	2 ms	2648 KB	Output is correct
50	Correct	2 ms	2652 KB	Output is correct
51	Correct	2 ms	2500 KB	Output is correct
52	Correct	133 ms	24724 KB	Output is correct
53	Correct	136 ms	24768 KB	Output is correct
54	Correct	134 ms	24796 KB	Output is correct
55	Correct	135 ms	24656 KB	Output is correct
56	Correct	138 ms	24916 KB	Output is correct
57	Correct	135 ms	24652 KB	Output is correct
58	Correct	142 ms	24660 KB	Output is correct
59	Correct	138 ms	24788 KB	Output is correct
60	Correct	161 ms	24672 KB	Output is correct
61	Correct	142 ms	24656 KB	Output is correct
62	Correct	140 ms	24664 KB	Output is correct
63	Correct	154 ms	24656 KB	Output is correct
64	Correct	139 ms	24772 KB	Output is correct
65	Correct	146 ms	24776 KB	Output is correct
66	Correct	137 ms	24780 KB	Output is correct
67	Correct	137 ms	24792 KB	Output is correct
68	Correct	133 ms	24784 KB	Output is correct

Submission #971857

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