Submission #71442

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
71442	2018-08-24T16:29:13 Z	win11905	Art Exhibition (JOI18_art)	C++11	100 / 100	352 ms	227308 KB

#include <bits/stdc++.h>
using namespace std;

#define long long long
#define pll pair<long, long>
#define x first
#define y second

int n;
long pref, ans, lhs = -1e18;

int main() {
    scanf("%d", &n);
    vector<pll> V;
    for(int i = 0; i < n; ++i) {
        long a, b; scanf("%lld %lld", &a, &b);
        V.emplace_back(a, b);
    }
    sort(V.begin(), V.end());
    for(int i = 0; i < n; ++i) {
        long a, b; tie(a, b) = V[i];
        lhs = max(lhs, a - pref);
        pref += b;
        ans = max(ans, pref - a + lhs);
    }
    printf("%lld\n", ans);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
art.cpp:16:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         long a, b; scanf("%lld %lld", &a, &b);
                    ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	4 ms	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	3 ms	768 KB	Output is correct
5	Correct	2 ms	768 KB	Output is correct
6	Correct	3 ms	768 KB	Output is correct
7	Correct	2 ms	768 KB	Output is correct
8	Correct	2 ms	768 KB	Output is correct
9	Correct	2 ms	768 KB	Output is correct
10	Correct	3 ms	768 KB	Output is correct
11	Correct	3 ms	768 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	4 ms	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	3 ms	768 KB	Output is correct
5	Correct	2 ms	768 KB	Output is correct
6	Correct	3 ms	768 KB	Output is correct
7	Correct	2 ms	768 KB	Output is correct
8	Correct	2 ms	768 KB	Output is correct
9	Correct	2 ms	768 KB	Output is correct
10	Correct	3 ms	768 KB	Output is correct
11	Correct	3 ms	768 KB	Output is correct
12	Correct	2 ms	768 KB	Output is correct
13	Correct	3 ms	768 KB	Output is correct
14	Correct	3 ms	768 KB	Output is correct
15	Correct	2 ms	768 KB	Output is correct
16	Correct	3 ms	780 KB	Output is correct
17	Correct	4 ms	796 KB	Output is correct
18	Correct	3 ms	860 KB	Output is correct
19	Correct	3 ms	868 KB	Output is correct
20	Correct	3 ms	868 KB	Output is correct
21	Correct	3 ms	988 KB	Output is correct
22	Correct	3 ms	1000 KB	Output is correct
23	Correct	3 ms	1000 KB	Output is correct
24	Correct	3 ms	1000 KB	Output is correct
25	Correct	2 ms	1000 KB	Output is correct
26	Correct	2 ms	1000 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	4 ms	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	3 ms	768 KB	Output is correct
5	Correct	2 ms	768 KB	Output is correct
6	Correct	3 ms	768 KB	Output is correct
7	Correct	2 ms	768 KB	Output is correct
8	Correct	2 ms	768 KB	Output is correct
9	Correct	2 ms	768 KB	Output is correct
10	Correct	3 ms	768 KB	Output is correct
11	Correct	3 ms	768 KB	Output is correct
12	Correct	2 ms	768 KB	Output is correct
13	Correct	3 ms	768 KB	Output is correct
14	Correct	3 ms	768 KB	Output is correct
15	Correct	2 ms	768 KB	Output is correct
16	Correct	3 ms	780 KB	Output is correct
17	Correct	4 ms	796 KB	Output is correct
18	Correct	3 ms	860 KB	Output is correct
19	Correct	3 ms	868 KB	Output is correct
20	Correct	3 ms	868 KB	Output is correct
21	Correct	3 ms	988 KB	Output is correct
22	Correct	3 ms	1000 KB	Output is correct
23	Correct	3 ms	1000 KB	Output is correct
24	Correct	3 ms	1000 KB	Output is correct
25	Correct	2 ms	1000 KB	Output is correct
26	Correct	2 ms	1000 KB	Output is correct
27	Correct	5 ms	1208 KB	Output is correct
28	Correct	8 ms	1336 KB	Output is correct
29	Correct	6 ms	1512 KB	Output is correct
30	Correct	6 ms	1640 KB	Output is correct
31	Correct	7 ms	1768 KB	Output is correct
32	Correct	6 ms	1848 KB	Output is correct
33	Correct	7 ms	1976 KB	Output is correct
34	Correct	6 ms	2156 KB	Output is correct
35	Correct	6 ms	2232 KB	Output is correct
36	Correct	6 ms	2360 KB	Output is correct
37	Correct	7 ms	2488 KB	Output is correct
38	Correct	6 ms	2616 KB	Output is correct
39	Correct	6 ms	2872 KB	Output is correct
40	Correct	7 ms	2956 KB	Output is correct
41	Correct	7 ms	3000 KB	Output is correct
42	Correct	6 ms	3128 KB	Output is correct
43	Correct	7 ms	3252 KB	Output is correct
44	Correct	5 ms	3380 KB	Output is correct
45	Correct	8 ms	3508 KB	Output is correct
46	Correct	5 ms	3636 KB	Output is correct
47	Correct	6 ms	3812 KB	Output is correct
48	Correct	6 ms	3868 KB	Output is correct
49	Correct	6 ms	4044 KB	Output is correct
50	Correct	6 ms	4148 KB	Output is correct
51	Correct	7 ms	4324 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	4 ms	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	3 ms	768 KB	Output is correct
5	Correct	2 ms	768 KB	Output is correct
6	Correct	3 ms	768 KB	Output is correct
7	Correct	2 ms	768 KB	Output is correct
8	Correct	2 ms	768 KB	Output is correct
9	Correct	2 ms	768 KB	Output is correct
10	Correct	3 ms	768 KB	Output is correct
11	Correct	3 ms	768 KB	Output is correct
12	Correct	2 ms	768 KB	Output is correct
13	Correct	3 ms	768 KB	Output is correct
14	Correct	3 ms	768 KB	Output is correct
15	Correct	2 ms	768 KB	Output is correct
16	Correct	3 ms	780 KB	Output is correct
17	Correct	4 ms	796 KB	Output is correct
18	Correct	3 ms	860 KB	Output is correct
19	Correct	3 ms	868 KB	Output is correct
20	Correct	3 ms	868 KB	Output is correct
21	Correct	3 ms	988 KB	Output is correct
22	Correct	3 ms	1000 KB	Output is correct
23	Correct	3 ms	1000 KB	Output is correct
24	Correct	3 ms	1000 KB	Output is correct
25	Correct	2 ms	1000 KB	Output is correct
26	Correct	2 ms	1000 KB	Output is correct
27	Correct	5 ms	1208 KB	Output is correct
28	Correct	8 ms	1336 KB	Output is correct
29	Correct	6 ms	1512 KB	Output is correct
30	Correct	6 ms	1640 KB	Output is correct
31	Correct	7 ms	1768 KB	Output is correct
32	Correct	6 ms	1848 KB	Output is correct
33	Correct	7 ms	1976 KB	Output is correct
34	Correct	6 ms	2156 KB	Output is correct
35	Correct	6 ms	2232 KB	Output is correct
36	Correct	6 ms	2360 KB	Output is correct
37	Correct	7 ms	2488 KB	Output is correct
38	Correct	6 ms	2616 KB	Output is correct
39	Correct	6 ms	2872 KB	Output is correct
40	Correct	7 ms	2956 KB	Output is correct
41	Correct	7 ms	3000 KB	Output is correct
42	Correct	6 ms	3128 KB	Output is correct
43	Correct	7 ms	3252 KB	Output is correct
44	Correct	5 ms	3380 KB	Output is correct
45	Correct	8 ms	3508 KB	Output is correct
46	Correct	5 ms	3636 KB	Output is correct
47	Correct	6 ms	3812 KB	Output is correct
48	Correct	6 ms	3868 KB	Output is correct
49	Correct	6 ms	4044 KB	Output is correct
50	Correct	6 ms	4148 KB	Output is correct
51	Correct	7 ms	4324 KB	Output is correct
52	Correct	304 ms	24872 KB	Output is correct
53	Correct	352 ms	37456 KB	Output is correct
54	Correct	303 ms	50012 KB	Output is correct
55	Correct	317 ms	62628 KB	Output is correct
56	Correct	316 ms	75492 KB	Output is correct
57	Correct	297 ms	88028 KB	Output is correct
58	Correct	273 ms	100700 KB	Output is correct
59	Correct	309 ms	113376 KB	Output is correct
60	Correct	301 ms	126036 KB	Output is correct
61	Correct	276 ms	138524 KB	Output is correct
62	Correct	283 ms	151244 KB	Output is correct
63	Correct	281 ms	163920 KB	Output is correct
64	Correct	315 ms	176724 KB	Output is correct
65	Correct	348 ms	189272 KB	Output is correct
66	Correct	297 ms	201988 KB	Output is correct
67	Correct	336 ms	214620 KB	Output is correct
68	Correct	275 ms	227308 KB	Output is correct

Submission #71442

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