oj.uz

Submission #196912

# Submission time Handle Problem Language Result Execution time Memory
196912 2020-01-17T15:58:17 Z quocnguyen1012 Art Exhibition (JOI18_art) C++14
100 / 100
 262 ms 24932 KB 
#include <bits/stdc++.h>

#define fi first
#define se second
#define mp make_pair
#define pb push_back

using namespace std;
typedef long long ll;

const int maxn = 5e5 + 5;

pair<ll, ll> pic[maxn];
ll sum[maxn];
int N;

signed main(void)
{
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  if (fopen("A.INP", "r")){
    freopen("A.INP", "r", stdin);
    freopen("A.OUT", "w", stdout);
  }
  cin >> N;
  for (int i = 1; i <= N; ++i){
    cin >> pic[i].fi >> pic[i].se;
  }
  sort(pic + 1, pic + 1 + N);
  ll Min = 1e18, res = 0;
  for (int i = 1; i <= N; ++i){
    Min = min(Min, sum[i - 1] - pic[i].fi);
    sum[i] = sum[i - 1] + pic[i].se;
    res = max(res, sum[i] - pic[i].fi - Min);
  }
  cout << res << '\n';
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.INP", "r", stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
art.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.OUT", "w", stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 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 504 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 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 0 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 3 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 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 504 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 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 0 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 3 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 7 ms 708 KB Output is correct
28 Correct 9 ms 532 KB Output is correct
29 Correct 5 ms 632 KB Output is correct
30 Correct 5 ms 632 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 4 ms 632 KB Output is correct
33 Correct 8 ms 632 KB Output is correct
34 Correct 5 ms 632 KB Output is correct
35 Correct 5 ms 632 KB Output is correct
36 Correct 5 ms 632 KB Output is correct
37 Correct 5 ms 632 KB Output is correct
38 Correct 4 ms 632 KB Output is correct
39 Correct 5 ms 632 KB Output is correct
40 Correct 5 ms 632 KB Output is correct
41 Correct 5 ms 632 KB Output is correct
42 Correct 5 ms 632 KB Output is correct
43 Correct 5 ms 632 KB Output is correct
44 Correct 5 ms 632 KB Output is correct
45 Correct 6 ms 604 KB Output is correct
46 Correct 5 ms 632 KB Output is correct
47 Correct 5 ms 632 KB Output is correct
48 Correct 6 ms 632 KB Output is correct
49 Correct 5 ms 632 KB Output is correct
50 Correct 5 ms 632 KB Output is correct
51 Correct 5 ms 632 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 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 504 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 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 0 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 3 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 7 ms 708 KB Output is correct
28 Correct 9 ms 532 KB Output is correct
29 Correct 5 ms 632 KB Output is correct
30 Correct 5 ms 632 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 4 ms 632 KB Output is correct
33 Correct 8 ms 632 KB Output is correct
34 Correct 5 ms 632 KB Output is correct
35 Correct 5 ms 632 KB Output is correct
36 Correct 5 ms 632 KB Output is correct
37 Correct 5 ms 632 KB Output is correct
38 Correct 4 ms 632 KB Output is correct
39 Correct 5 ms 632 KB Output is correct
40 Correct 5 ms 632 KB Output is correct
41 Correct 5 ms 632 KB Output is correct
42 Correct 5 ms 632 KB Output is correct
43 Correct 5 ms 632 KB Output is correct
44 Correct 5 ms 632 KB Output is correct
45 Correct 6 ms 604 KB Output is correct
46 Correct 5 ms 632 KB Output is correct
47 Correct 5 ms 632 KB Output is correct
48 Correct 6 ms 632 KB Output is correct
49 Correct 5 ms 632 KB Output is correct
50 Correct 5 ms 632 KB Output is correct
51 Correct 5 ms 632 KB Output is correct
52 Correct 247 ms 24824 KB Output is correct
53 Correct 249 ms 24760 KB Output is correct
54 Correct 249 ms 24800 KB Output is correct
55 Correct 250 ms 24824 KB Output is correct
56 Correct 246 ms 24824 KB Output is correct
57 Correct 249 ms 24764 KB Output is correct
58 Correct 248 ms 24824 KB Output is correct
59 Correct 252 ms 24860 KB Output is correct
60 Correct 251 ms 24796 KB Output is correct
61 Correct 257 ms 24732 KB Output is correct
62 Correct 262 ms 24924 KB Output is correct
63 Correct 248 ms 24824 KB Output is correct
64 Correct 244 ms 24932 KB Output is correct
65 Correct 252 ms 24712 KB Output is correct
66 Correct 244 ms 24888 KB Output is correct
67 Correct 252 ms 24848 KB Output is correct
68 Correct 257 ms 24760 KB Output is correct