Submission #987678

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
987678	2024-05-23T10:58:29 Z	Tsagana	Art Exhibition (JOI18_art)	C++14	100 / 100	155 ms	25032 KB

art

#include<bits/stdc++.h>

#define IOS ios_base::sync_with_stdio(false);cin.tie();cout.tie();
#define all(x) x.begin(), x.end()
#define int long long
#define pq priority_queue
#define lb lower_bound
#define ub upper_bound
#define pb push_back
#define eb emplace_back
#define F first
#define S second

using namespace std;

void solve () {
	int n; cin >> n;
	pair<int, int> a[500001];
	for (int i = 0; i < n; i++)
	cin >> a[i].F >> a[i].S;
	sort(a, a + n);
	int ans, dp[500001]; dp[0] = a[0].S;
	for (int i = 1; i < n; i++) {
		dp[i] = max(a[i].S, dp[i - 1] + a[i - 1].F + a[i].S - a[i].F);
		ans = max(ans, dp[i]);
	}
	cout << ans << '\n';
}
signed main() {IOS solve(); return 0;}

Compilation message

art.cpp: In function 'void solve()':
art.cpp:22:6: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |  int ans, dp[500001]; dp[0] = a[0].S;
      |      ^~~

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	12120 KB	Output is correct
2	Correct	8 ms	12376 KB	Output is correct
3	Correct	8 ms	12120 KB	Output is correct
4	Correct	8 ms	12124 KB	Output is correct
5	Correct	9 ms	12124 KB	Output is correct
6	Correct	7 ms	12124 KB	Output is correct
7	Correct	7 ms	12124 KB	Output is correct
8	Correct	8 ms	12124 KB	Output is correct
9	Correct	8 ms	12120 KB	Output is correct
10	Correct	9 ms	12124 KB	Output is correct
11	Correct	8 ms	12124 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	12120 KB	Output is correct
2	Correct	8 ms	12376 KB	Output is correct
3	Correct	8 ms	12120 KB	Output is correct
4	Correct	8 ms	12124 KB	Output is correct
5	Correct	9 ms	12124 KB	Output is correct
6	Correct	7 ms	12124 KB	Output is correct
7	Correct	7 ms	12124 KB	Output is correct
8	Correct	8 ms	12124 KB	Output is correct
9	Correct	8 ms	12120 KB	Output is correct
10	Correct	9 ms	12124 KB	Output is correct
11	Correct	8 ms	12124 KB	Output is correct
12	Correct	7 ms	12124 KB	Output is correct
13	Correct	10 ms	12200 KB	Output is correct
14	Correct	9 ms	12120 KB	Output is correct
15	Correct	8 ms	12120 KB	Output is correct
16	Correct	8 ms	12124 KB	Output is correct
17	Correct	9 ms	12120 KB	Output is correct
18	Correct	8 ms	12124 KB	Output is correct
19	Correct	8 ms	12124 KB	Output is correct
20	Correct	8 ms	12124 KB	Output is correct
21	Correct	8 ms	12124 KB	Output is correct
22	Correct	8 ms	12124 KB	Output is correct
23	Correct	8 ms	12124 KB	Output is correct
24	Correct	9 ms	12380 KB	Output is correct
25	Correct	7 ms	12124 KB	Output is correct
26	Correct	8 ms	12124 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	12120 KB	Output is correct
2	Correct	8 ms	12376 KB	Output is correct
3	Correct	8 ms	12120 KB	Output is correct
4	Correct	8 ms	12124 KB	Output is correct
5	Correct	9 ms	12124 KB	Output is correct
6	Correct	7 ms	12124 KB	Output is correct
7	Correct	7 ms	12124 KB	Output is correct
8	Correct	8 ms	12124 KB	Output is correct
9	Correct	8 ms	12120 KB	Output is correct
10	Correct	9 ms	12124 KB	Output is correct
11	Correct	8 ms	12124 KB	Output is correct
12	Correct	7 ms	12124 KB	Output is correct
13	Correct	10 ms	12200 KB	Output is correct
14	Correct	9 ms	12120 KB	Output is correct
15	Correct	8 ms	12120 KB	Output is correct
16	Correct	8 ms	12124 KB	Output is correct
17	Correct	9 ms	12120 KB	Output is correct
18	Correct	8 ms	12124 KB	Output is correct
19	Correct	8 ms	12124 KB	Output is correct
20	Correct	8 ms	12124 KB	Output is correct
21	Correct	8 ms	12124 KB	Output is correct
22	Correct	8 ms	12124 KB	Output is correct
23	Correct	8 ms	12124 KB	Output is correct
24	Correct	9 ms	12380 KB	Output is correct
25	Correct	7 ms	12124 KB	Output is correct
26	Correct	8 ms	12124 KB	Output is correct
27	Correct	10 ms	12124 KB	Output is correct
28	Correct	9 ms	12124 KB	Output is correct
29	Correct	9 ms	12124 KB	Output is correct
30	Correct	10 ms	12120 KB	Output is correct
31	Correct	9 ms	12124 KB	Output is correct
32	Correct	10 ms	12124 KB	Output is correct
33	Correct	10 ms	12120 KB	Output is correct
34	Correct	9 ms	12132 KB	Output is correct
35	Correct	9 ms	12124 KB	Output is correct
36	Correct	10 ms	12124 KB	Output is correct
37	Correct	10 ms	12120 KB	Output is correct
38	Correct	9 ms	12124 KB	Output is correct
39	Correct	12 ms	12124 KB	Output is correct
40	Correct	9 ms	12120 KB	Output is correct
41	Correct	9 ms	12124 KB	Output is correct
42	Correct	9 ms	12124 KB	Output is correct
43	Correct	9 ms	12120 KB	Output is correct
44	Correct	10 ms	12124 KB	Output is correct
45	Correct	9 ms	12316 KB	Output is correct
46	Correct	9 ms	12120 KB	Output is correct
47	Correct	9 ms	12124 KB	Output is correct
48	Correct	10 ms	12124 KB	Output is correct
49	Correct	11 ms	12376 KB	Output is correct
50	Correct	10 ms	12124 KB	Output is correct
51	Correct	10 ms	12124 KB	Output is correct

Subtask #4

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	12120 KB	Output is correct
2	Correct	8 ms	12376 KB	Output is correct
3	Correct	8 ms	12120 KB	Output is correct
4	Correct	8 ms	12124 KB	Output is correct
5	Correct	9 ms	12124 KB	Output is correct
6	Correct	7 ms	12124 KB	Output is correct
7	Correct	7 ms	12124 KB	Output is correct
8	Correct	8 ms	12124 KB	Output is correct
9	Correct	8 ms	12120 KB	Output is correct
10	Correct	9 ms	12124 KB	Output is correct
11	Correct	8 ms	12124 KB	Output is correct
12	Correct	7 ms	12124 KB	Output is correct
13	Correct	10 ms	12200 KB	Output is correct
14	Correct	9 ms	12120 KB	Output is correct
15	Correct	8 ms	12120 KB	Output is correct
16	Correct	8 ms	12124 KB	Output is correct
17	Correct	9 ms	12120 KB	Output is correct
18	Correct	8 ms	12124 KB	Output is correct
19	Correct	8 ms	12124 KB	Output is correct
20	Correct	8 ms	12124 KB	Output is correct
21	Correct	8 ms	12124 KB	Output is correct
22	Correct	8 ms	12124 KB	Output is correct
23	Correct	8 ms	12124 KB	Output is correct
24	Correct	9 ms	12380 KB	Output is correct
25	Correct	7 ms	12124 KB	Output is correct
26	Correct	8 ms	12124 KB	Output is correct
27	Correct	10 ms	12124 KB	Output is correct
28	Correct	9 ms	12124 KB	Output is correct
29	Correct	9 ms	12124 KB	Output is correct
30	Correct	10 ms	12120 KB	Output is correct
31	Correct	9 ms	12124 KB	Output is correct
32	Correct	10 ms	12124 KB	Output is correct
33	Correct	10 ms	12120 KB	Output is correct
34	Correct	9 ms	12132 KB	Output is correct
35	Correct	9 ms	12124 KB	Output is correct
36	Correct	10 ms	12124 KB	Output is correct
37	Correct	10 ms	12120 KB	Output is correct
38	Correct	9 ms	12124 KB	Output is correct
39	Correct	12 ms	12124 KB	Output is correct
40	Correct	9 ms	12120 KB	Output is correct
41	Correct	9 ms	12124 KB	Output is correct
42	Correct	9 ms	12124 KB	Output is correct
43	Correct	9 ms	12120 KB	Output is correct
44	Correct	10 ms	12124 KB	Output is correct
45	Correct	9 ms	12316 KB	Output is correct
46	Correct	9 ms	12120 KB	Output is correct
47	Correct	9 ms	12124 KB	Output is correct
48	Correct	10 ms	12124 KB	Output is correct
49	Correct	11 ms	12376 KB	Output is correct
50	Correct	10 ms	12124 KB	Output is correct
51	Correct	10 ms	12124 KB	Output is correct
52	Correct	142 ms	24660 KB	Output is correct
53	Correct	143 ms	24816 KB	Output is correct
54	Correct	139 ms	24784 KB	Output is correct
55	Correct	139 ms	24572 KB	Output is correct
56	Correct	140 ms	24696 KB	Output is correct
57	Correct	145 ms	25032 KB	Output is correct
58	Correct	138 ms	24580 KB	Output is correct
59	Correct	139 ms	24820 KB	Output is correct
60	Correct	155 ms	24812 KB	Output is correct
61	Correct	140 ms	24660 KB	Output is correct
62	Correct	146 ms	24816 KB	Output is correct
63	Correct	146 ms	24956 KB	Output is correct
64	Correct	142 ms	24696 KB	Output is correct
65	Correct	140 ms	24660 KB	Output is correct
66	Correct	141 ms	24912 KB	Output is correct
67	Correct	140 ms	24656 KB	Output is correct
68	Correct	142 ms	24820 KB	Output is correct