답안 #52144 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
52144	2018-06-24T08:15:10 Z	evpipis	Art Exhibition (JOI18_art)	C++14	100 / 100	341 ms	230984 KB

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

#define fi first
#define se second
typedef long long ll;
typedef pair<int, int> ii;

const int len = 5e5+5;
const ll inf = 1e17;
pair<ll, ll> arr[len];
ll pref[len];

int main(){
    int n;
    scanf("%d", &n);
    for (int i = 1; i <= n; i++)
        scanf("%lld %lld", &arr[i].fi, &arr[i].se);
    sort(arr+1, arr+1+n);

    for (int i = 1; i <= n; i++)
        pref[i] = arr[i].se + pref[i-1];

    ll ans = 0, mx = -inf;
    for (int i = n; i >= 1; i--){
        mx = max(mx, pref[i]-arr[i].fi);
        ans = max(ans, mx + arr[i].fi-pref[i-1]);
    }

    printf("%lld\n", ans);
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
art.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld", &arr[i].fi, &arr[i].se);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	444 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	2 ms	480 KB	Output is correct
8	Correct	3 ms	480 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	2 ms	496 KB	Output is correct
11	Correct	3 ms	500 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	444 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	2 ms	480 KB	Output is correct
8	Correct	3 ms	480 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	2 ms	496 KB	Output is correct
11	Correct	3 ms	500 KB	Output is correct
12	Correct	3 ms	556 KB	Output is correct
13	Correct	2 ms	564 KB	Output is correct
14	Correct	2 ms	684 KB	Output is correct
15	Correct	2 ms	740 KB	Output is correct
16	Correct	2 ms	740 KB	Output is correct
17	Correct	2 ms	740 KB	Output is correct
18	Correct	3 ms	740 KB	Output is correct
19	Correct	2 ms	740 KB	Output is correct
20	Correct	2 ms	776 KB	Output is correct
21	Correct	2 ms	840 KB	Output is correct
22	Correct	2 ms	848 KB	Output is correct
23	Correct	3 ms	856 KB	Output is correct
24	Correct	4 ms	972 KB	Output is correct
25	Correct	3 ms	972 KB	Output is correct
26	Correct	2 ms	972 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	444 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	2 ms	480 KB	Output is correct
8	Correct	3 ms	480 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	2 ms	496 KB	Output is correct
11	Correct	3 ms	500 KB	Output is correct
12	Correct	3 ms	556 KB	Output is correct
13	Correct	2 ms	564 KB	Output is correct
14	Correct	2 ms	684 KB	Output is correct
15	Correct	2 ms	740 KB	Output is correct
16	Correct	2 ms	740 KB	Output is correct
17	Correct	2 ms	740 KB	Output is correct
18	Correct	3 ms	740 KB	Output is correct
19	Correct	2 ms	740 KB	Output is correct
20	Correct	2 ms	776 KB	Output is correct
21	Correct	2 ms	840 KB	Output is correct
22	Correct	2 ms	848 KB	Output is correct
23	Correct	3 ms	856 KB	Output is correct
24	Correct	4 ms	972 KB	Output is correct
25	Correct	3 ms	972 KB	Output is correct
26	Correct	2 ms	972 KB	Output is correct
27	Correct	5 ms	1036 KB	Output is correct
28	Correct	4 ms	1164 KB	Output is correct
29	Correct	4 ms	1292 KB	Output is correct
30	Correct	4 ms	1424 KB	Output is correct
31	Correct	5 ms	1548 KB	Output is correct
32	Correct	5 ms	1688 KB	Output is correct
33	Correct	4 ms	1820 KB	Output is correct
34	Correct	5 ms	1952 KB	Output is correct
35	Correct	5 ms	2080 KB	Output is correct
36	Correct	5 ms	2216 KB	Output is correct
37	Correct	5 ms	2352 KB	Output is correct
38	Correct	4 ms	2480 KB	Output is correct
39	Correct	4 ms	2616 KB	Output is correct
40	Correct	5 ms	2708 KB	Output is correct
41	Correct	5 ms	2848 KB	Output is correct
42	Correct	5 ms	2972 KB	Output is correct
43	Correct	5 ms	3100 KB	Output is correct
44	Correct	5 ms	3236 KB	Output is correct
45	Correct	5 ms	3344 KB	Output is correct
46	Correct	5 ms	3472 KB	Output is correct
47	Correct	5 ms	3604 KB	Output is correct
48	Correct	5 ms	3860 KB	Output is correct
49	Correct	5 ms	3888 KB	Output is correct
50	Correct	5 ms	4024 KB	Output is correct
51	Correct	5 ms	4160 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	436 KB	Output is correct
4	Correct	2 ms	444 KB	Output is correct
5	Correct	2 ms	444 KB	Output is correct
6	Correct	2 ms	480 KB	Output is correct
7	Correct	2 ms	480 KB	Output is correct
8	Correct	3 ms	480 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	2 ms	496 KB	Output is correct
11	Correct	3 ms	500 KB	Output is correct
12	Correct	3 ms	556 KB	Output is correct
13	Correct	2 ms	564 KB	Output is correct
14	Correct	2 ms	684 KB	Output is correct
15	Correct	2 ms	740 KB	Output is correct
16	Correct	2 ms	740 KB	Output is correct
17	Correct	2 ms	740 KB	Output is correct
18	Correct	3 ms	740 KB	Output is correct
19	Correct	2 ms	740 KB	Output is correct
20	Correct	2 ms	776 KB	Output is correct
21	Correct	2 ms	840 KB	Output is correct
22	Correct	2 ms	848 KB	Output is correct
23	Correct	3 ms	856 KB	Output is correct
24	Correct	4 ms	972 KB	Output is correct
25	Correct	3 ms	972 KB	Output is correct
26	Correct	2 ms	972 KB	Output is correct
27	Correct	5 ms	1036 KB	Output is correct
28	Correct	4 ms	1164 KB	Output is correct
29	Correct	4 ms	1292 KB	Output is correct
30	Correct	4 ms	1424 KB	Output is correct
31	Correct	5 ms	1548 KB	Output is correct
32	Correct	5 ms	1688 KB	Output is correct
33	Correct	4 ms	1820 KB	Output is correct
34	Correct	5 ms	1952 KB	Output is correct
35	Correct	5 ms	2080 KB	Output is correct
36	Correct	5 ms	2216 KB	Output is correct
37	Correct	5 ms	2352 KB	Output is correct
38	Correct	4 ms	2480 KB	Output is correct
39	Correct	4 ms	2616 KB	Output is correct
40	Correct	5 ms	2708 KB	Output is correct
41	Correct	5 ms	2848 KB	Output is correct
42	Correct	5 ms	2972 KB	Output is correct
43	Correct	5 ms	3100 KB	Output is correct
44	Correct	5 ms	3236 KB	Output is correct
45	Correct	5 ms	3344 KB	Output is correct
46	Correct	5 ms	3472 KB	Output is correct
47	Correct	5 ms	3604 KB	Output is correct
48	Correct	5 ms	3860 KB	Output is correct
49	Correct	5 ms	3888 KB	Output is correct
50	Correct	5 ms	4024 KB	Output is correct
51	Correct	5 ms	4160 KB	Output is correct
52	Correct	256 ms	28516 KB	Output is correct
53	Correct	263 ms	41180 KB	Output is correct
54	Correct	258 ms	53800 KB	Output is correct
55	Correct	257 ms	66404 KB	Output is correct
56	Correct	294 ms	79208 KB	Output is correct
57	Correct	264 ms	91780 KB	Output is correct
58	Correct	274 ms	104464 KB	Output is correct
59	Correct	275 ms	117128 KB	Output is correct
60	Correct	257 ms	129800 KB	Output is correct
61	Correct	261 ms	142312 KB	Output is correct
62	Correct	259 ms	154976 KB	Output is correct
63	Correct	329 ms	167708 KB	Output is correct
64	Correct	286 ms	180396 KB	Output is correct
65	Correct	255 ms	193004 KB	Output is correct
66	Correct	256 ms	205808 KB	Output is correct
67	Correct	341 ms	218280 KB	Output is correct
68	Correct	248 ms	230984 KB	Output is correct

답안 #52144

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