답안 #72992 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
72992	2018-08-27T12:21:38 Z	garyye	Art Exhibition (JOI18_art)	C++14	100 / 100	357 ms	8652 KB

// author: gary
// created: 2018/08/27 14:14:01
#include <cassert>
#include <cctype>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <limits>
#include <utility>
#include <functional>
#include <string>
#include <bitset>
#include <deque>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <vector>
#include <algorithm>
#include <iostream>
#include <sstream>
using namespace std;
#define SZ(x) ( (int) (x).size() )
#define ALL(c) (c).begin(), (c).end()
#define CNT(c, x) ((c).find(x) != (c).end())
typedef long long ll;
typedef pair<ll, int> pii;
template<class T> bool cmax(T& a, T b) { if(a < b) { a = b; return true; } return false; }
template<class T> bool cmin(T& a, T b) { if(a > b) { a = b; return true; } return false; }


const int N = 5e5 + 10;

int n;
pii p[N];

int main() {
  scanf("%d", &n);
  for(int i = 0; i < n; i++) {
    scanf("%lld%d", &p[i].first, &p[i].second);
  }
  sort(p, p + n);

  ll ans = -(1LL << 62);
  ll best = -(1LL << 62);

  ll sum = 0;
  for(int i = 0; i < n; i++) {
    ll nsum = sum + p[i].second;

    cmax(best, -sum + p[i].first);
    cmax(ans, nsum - p[i].first + best);

    sum = nsum;
  }

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

Compilation message

art.cpp: In function 'int main()':
art.cpp:42:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
art.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%d", &p[i].first, &p[i].second);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	492 KB	Output is correct
3	Correct	3 ms	552 KB	Output is correct
4	Correct	3 ms	552 KB	Output is correct
5	Correct	3 ms	552 KB	Output is correct
6	Correct	2 ms	552 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	2 ms	624 KB	Output is correct
9	Correct	3 ms	744 KB	Output is correct
10	Correct	2 ms	744 KB	Output is correct
11	Correct	2 ms	744 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	3 ms	492 KB	Output is correct
3	Correct	3 ms	552 KB	Output is correct
4	Correct	3 ms	552 KB	Output is correct
5	Correct	3 ms	552 KB	Output is correct
6	Correct	2 ms	552 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	2 ms	624 KB	Output is correct
9	Correct	3 ms	744 KB	Output is correct
10	Correct	2 ms	744 KB	Output is correct
11	Correct	2 ms	744 KB	Output is correct
12	Correct	2 ms	744 KB	Output is correct
13	Correct	2 ms	744 KB	Output is correct
14	Correct	2 ms	744 KB	Output is correct
15	Correct	2 ms	744 KB	Output is correct
16	Correct	2 ms	744 KB	Output is correct
17	Correct	3 ms	744 KB	Output is correct
18	Correct	4 ms	744 KB	Output is correct
19	Correct	2 ms	744 KB	Output is correct
20	Correct	2 ms	744 KB	Output is correct
21	Correct	3 ms	744 KB	Output is correct
22	Correct	2 ms	744 KB	Output is correct
23	Correct	2 ms	744 KB	Output is correct
24	Correct	2 ms	744 KB	Output is correct
25	Correct	3 ms	744 KB	Output is correct
26	Correct	2 ms	744 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	3 ms	492 KB	Output is correct
3	Correct	3 ms	552 KB	Output is correct
4	Correct	3 ms	552 KB	Output is correct
5	Correct	3 ms	552 KB	Output is correct
6	Correct	2 ms	552 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	2 ms	624 KB	Output is correct
9	Correct	3 ms	744 KB	Output is correct
10	Correct	2 ms	744 KB	Output is correct
11	Correct	2 ms	744 KB	Output is correct
12	Correct	2 ms	744 KB	Output is correct
13	Correct	2 ms	744 KB	Output is correct
14	Correct	2 ms	744 KB	Output is correct
15	Correct	2 ms	744 KB	Output is correct
16	Correct	2 ms	744 KB	Output is correct
17	Correct	3 ms	744 KB	Output is correct
18	Correct	4 ms	744 KB	Output is correct
19	Correct	2 ms	744 KB	Output is correct
20	Correct	2 ms	744 KB	Output is correct
21	Correct	3 ms	744 KB	Output is correct
22	Correct	2 ms	744 KB	Output is correct
23	Correct	2 ms	744 KB	Output is correct
24	Correct	2 ms	744 KB	Output is correct
25	Correct	3 ms	744 KB	Output is correct
26	Correct	2 ms	744 KB	Output is correct
27	Correct	5 ms	744 KB	Output is correct
28	Correct	6 ms	744 KB	Output is correct
29	Correct	4 ms	744 KB	Output is correct
30	Correct	5 ms	744 KB	Output is correct
31	Correct	6 ms	744 KB	Output is correct
32	Correct	5 ms	744 KB	Output is correct
33	Correct	5 ms	744 KB	Output is correct
34	Correct	5 ms	744 KB	Output is correct
35	Correct	6 ms	744 KB	Output is correct
36	Correct	4 ms	744 KB	Output is correct
37	Correct	5 ms	744 KB	Output is correct
38	Correct	5 ms	744 KB	Output is correct
39	Correct	5 ms	744 KB	Output is correct
40	Correct	7 ms	744 KB	Output is correct
41	Correct	6 ms	744 KB	Output is correct
42	Correct	5 ms	744 KB	Output is correct
43	Correct	7 ms	744 KB	Output is correct
44	Correct	7 ms	744 KB	Output is correct
45	Correct	6 ms	792 KB	Output is correct
46	Correct	5 ms	792 KB	Output is correct
47	Correct	5 ms	796 KB	Output is correct
48	Correct	6 ms	796 KB	Output is correct
49	Correct	5 ms	796 KB	Output is correct
50	Correct	6 ms	796 KB	Output is correct
51	Correct	5 ms	796 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	3 ms	492 KB	Output is correct
3	Correct	3 ms	552 KB	Output is correct
4	Correct	3 ms	552 KB	Output is correct
5	Correct	3 ms	552 KB	Output is correct
6	Correct	2 ms	552 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	2 ms	624 KB	Output is correct
9	Correct	3 ms	744 KB	Output is correct
10	Correct	2 ms	744 KB	Output is correct
11	Correct	2 ms	744 KB	Output is correct
12	Correct	2 ms	744 KB	Output is correct
13	Correct	2 ms	744 KB	Output is correct
14	Correct	2 ms	744 KB	Output is correct
15	Correct	2 ms	744 KB	Output is correct
16	Correct	2 ms	744 KB	Output is correct
17	Correct	3 ms	744 KB	Output is correct
18	Correct	4 ms	744 KB	Output is correct
19	Correct	2 ms	744 KB	Output is correct
20	Correct	2 ms	744 KB	Output is correct
21	Correct	3 ms	744 KB	Output is correct
22	Correct	2 ms	744 KB	Output is correct
23	Correct	2 ms	744 KB	Output is correct
24	Correct	2 ms	744 KB	Output is correct
25	Correct	3 ms	744 KB	Output is correct
26	Correct	2 ms	744 KB	Output is correct
27	Correct	5 ms	744 KB	Output is correct
28	Correct	6 ms	744 KB	Output is correct
29	Correct	4 ms	744 KB	Output is correct
30	Correct	5 ms	744 KB	Output is correct
31	Correct	6 ms	744 KB	Output is correct
32	Correct	5 ms	744 KB	Output is correct
33	Correct	5 ms	744 KB	Output is correct
34	Correct	5 ms	744 KB	Output is correct
35	Correct	6 ms	744 KB	Output is correct
36	Correct	4 ms	744 KB	Output is correct
37	Correct	5 ms	744 KB	Output is correct
38	Correct	5 ms	744 KB	Output is correct
39	Correct	5 ms	744 KB	Output is correct
40	Correct	7 ms	744 KB	Output is correct
41	Correct	6 ms	744 KB	Output is correct
42	Correct	5 ms	744 KB	Output is correct
43	Correct	7 ms	744 KB	Output is correct
44	Correct	7 ms	744 KB	Output is correct
45	Correct	6 ms	792 KB	Output is correct
46	Correct	5 ms	792 KB	Output is correct
47	Correct	5 ms	796 KB	Output is correct
48	Correct	6 ms	796 KB	Output is correct
49	Correct	5 ms	796 KB	Output is correct
50	Correct	6 ms	796 KB	Output is correct
51	Correct	5 ms	796 KB	Output is correct
52	Correct	300 ms	8476 KB	Output is correct
53	Correct	297 ms	8476 KB	Output is correct
54	Correct	297 ms	8476 KB	Output is correct
55	Correct	301 ms	8476 KB	Output is correct
56	Correct	280 ms	8604 KB	Output is correct
57	Correct	357 ms	8604 KB	Output is correct
58	Correct	290 ms	8604 KB	Output is correct
59	Correct	290 ms	8604 KB	Output is correct
60	Correct	297 ms	8604 KB	Output is correct
61	Correct	302 ms	8604 KB	Output is correct
62	Correct	291 ms	8604 KB	Output is correct
63	Correct	302 ms	8604 KB	Output is correct
64	Correct	341 ms	8652 KB	Output is correct
65	Correct	289 ms	8652 KB	Output is correct
66	Correct	284 ms	8652 KB	Output is correct
67	Correct	282 ms	8652 KB	Output is correct
68	Correct	275 ms	8652 KB	Output is correct

답안 #72992

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