답안 #122748

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
122748	2019-06-29T08:30:11 Z	arnold518	Art Exhibition (JOI18_art)	C++14	100 / 100	274 ms	26848 KB

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

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 5e5;

struct Art
{
    ll a, b, d;
};

int n;
Art arr[MAXN+10];
ll ans;

int main()
{
    int i, j;

    scanf("%d", &n);
    for(i=1; i<=n; i++) scanf("%lld%lld", &arr[i].a, &arr[i].b);

    sort(arr+1, arr+n+1, [&](Art p, Art q) { return p.a<q.a; });
    for(i=1; i<=n; i++) arr[i].b+=arr[i-1].b, arr[i].d=arr[i].b-arr[i].a;

    vector<int> S;
    for(i=n; i>=1; i--)
    {
        if(S.empty() || arr[S.back()].d<arr[i].d) S.push_back(i);
    }

    for(i=1; i<=n; i++)
    {
        ans=max(ans, arr[i].a+arr[S.back()].d-arr[i-1].b);
        if(S.back()==i) S.pop_back();
    }
    printf("%lld", ans);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:21:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
art.cpp:23:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
art.cpp:24:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=n; i++) scanf("%lld%lld", &arr[i].a, &arr[i].b);
                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	504 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	380 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	504 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	380 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	4 ms	632 KB	Output is correct
28	Correct	4 ms	632 KB	Output is correct
29	Correct	4 ms	632 KB	Output is correct
30	Correct	4 ms	632 KB	Output is correct
31	Correct	4 ms	652 KB	Output is correct
32	Correct	4 ms	632 KB	Output is correct
33	Correct	4 ms	504 KB	Output is correct
34	Correct	4 ms	504 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	4 ms	632 KB	Output is correct
37	Correct	4 ms	504 KB	Output is correct
38	Correct	4 ms	504 KB	Output is correct
39	Correct	4 ms	632 KB	Output is correct
40	Correct	4 ms	632 KB	Output is correct
41	Correct	4 ms	632 KB	Output is correct
42	Correct	4 ms	632 KB	Output is correct
43	Correct	4 ms	632 KB	Output is correct
44	Correct	4 ms	632 KB	Output is correct
45	Correct	4 ms	632 KB	Output is correct
46	Correct	4 ms	632 KB	Output is correct
47	Correct	4 ms	632 KB	Output is correct
48	Correct	4 ms	504 KB	Output is correct
49	Correct	4 ms	632 KB	Output is correct
50	Correct	4 ms	504 KB	Output is correct
51	Correct	4 ms	632 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	248 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	504 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	380 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	4 ms	632 KB	Output is correct
28	Correct	4 ms	632 KB	Output is correct
29	Correct	4 ms	632 KB	Output is correct
30	Correct	4 ms	632 KB	Output is correct
31	Correct	4 ms	652 KB	Output is correct
32	Correct	4 ms	632 KB	Output is correct
33	Correct	4 ms	504 KB	Output is correct
34	Correct	4 ms	504 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	4 ms	632 KB	Output is correct
37	Correct	4 ms	504 KB	Output is correct
38	Correct	4 ms	504 KB	Output is correct
39	Correct	4 ms	632 KB	Output is correct
40	Correct	4 ms	632 KB	Output is correct
41	Correct	4 ms	632 KB	Output is correct
42	Correct	4 ms	632 KB	Output is correct
43	Correct	4 ms	632 KB	Output is correct
44	Correct	4 ms	632 KB	Output is correct
45	Correct	4 ms	632 KB	Output is correct
46	Correct	4 ms	632 KB	Output is correct
47	Correct	4 ms	632 KB	Output is correct
48	Correct	4 ms	504 KB	Output is correct
49	Correct	4 ms	632 KB	Output is correct
50	Correct	4 ms	504 KB	Output is correct
51	Correct	4 ms	632 KB	Output is correct
52	Correct	266 ms	26848 KB	Output is correct
53	Correct	262 ms	25940 KB	Output is correct
54	Correct	258 ms	25032 KB	Output is correct
55	Correct	256 ms	24824 KB	Output is correct
56	Correct	254 ms	24696 KB	Output is correct
57	Correct	258 ms	24804 KB	Output is correct
58	Correct	259 ms	24724 KB	Output is correct
59	Correct	257 ms	24720 KB	Output is correct
60	Correct	253 ms	24736 KB	Output is correct
61	Correct	256 ms	24568 KB	Output is correct
62	Correct	256 ms	24680 KB	Output is correct
63	Correct	256 ms	24772 KB	Output is correct
64	Correct	257 ms	24728 KB	Output is correct
65	Correct	256 ms	24624 KB	Output is correct
66	Correct	274 ms	24708 KB	Output is correct
67	Correct	256 ms	24696 KB	Output is correct
68	Correct	251 ms	24696 KB	Output is correct

답안 #122748

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