oj.uz

Submission #1033880

# Submission time Handle Problem Language Result Execution time Memory
1033880 2024-07-25T07:27:15 Z vjudge1 Art Exhibition (JOI18_art) C++14
100 / 100
 151 ms 24900 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define ull unsigned long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define taskname ""
using namespace std;
ll n,i,b[500009],j,ma=-1e18,ans=-1e18;
pll a[500009];
int main() {
	if (fopen(taskname".inp","r")) {
		freopen(taskname".inp","r",stdin);
		freopen(taskname".out","w",stdout);
	}
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
    cin>>n;
    for(i=1;i<=n;i++){
        cin>>a[i].fi>>a[i].se;
    }sort(a+1,a+n+1);
    for(i=1;i<=n;i++){
        b[i]=b[i-1]+a[i].se;
    }for(i=1;i<=n;i++){
        ma=max(ma,a[i].fi-b[i-1]);
        ans=max(ans,b[i]-a[i].fi+ma);
    }//b[j]-b[i-1]-a[j]+a[i]=b[j]-a[j]+(a[i]-b[i-1])
    cout<<ans;
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:15:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |   freopen(taskname".inp","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:16:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   freopen(taskname".out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 372 KB Output is correct
11 Correct 0 ms 464 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 372 KB Output is correct
11 Correct 0 ms 464 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 460 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 372 KB Output is correct
11 Correct 0 ms 464 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 460 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 2 ms 600 KB Output is correct
28 Correct 2 ms 600 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 656 KB Output is correct
32 Correct 1 ms 476 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 2 ms 600 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 668 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 2 ms 600 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 588 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 372 KB Output is correct
11 Correct 0 ms 464 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 460 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 2 ms 600 KB Output is correct
28 Correct 2 ms 600 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 656 KB Output is correct
32 Correct 1 ms 476 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 2 ms 600 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 668 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 2 ms 600 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 588 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 118 ms 24592 KB Output is correct
53 Correct 120 ms 24776 KB Output is correct
54 Correct 116 ms 24660 KB Output is correct
55 Correct 115 ms 24616 KB Output is correct
56 Correct 123 ms 24620 KB Output is correct
57 Correct 116 ms 24824 KB Output is correct
58 Correct 132 ms 24660 KB Output is correct
59 Correct 121 ms 24800 KB Output is correct
60 Correct 128 ms 24668 KB Output is correct
61 Correct 151 ms 24660 KB Output is correct
62 Correct 118 ms 24656 KB Output is correct
63 Correct 110 ms 24728 KB Output is correct
64 Correct 133 ms 24900 KB Output is correct
65 Correct 115 ms 24664 KB Output is correct
66 Correct 127 ms 24656 KB Output is correct
67 Correct 112 ms 24708 KB Output is correct
68 Correct 119 ms 24652 KB Output is correct