Submission #66727

# Submission time Handle Problem Language Result Execution time Memory
66727 2018-08-12T07:38:50 Z hamzqq9 Art Exhibition (JOI18_art) C++14
100 / 100
372 ms 12420 KB
#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<int,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)>>1)
#define all(x) x.begin(),x.end()
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define pw(x) (1<<(x))
#define inf 10000000000000000
#define MOD 1000000007
#define N 500005
#define MAX 10000006
#define LOG 22
using namespace std;

int n;
int b[N];
ll pre[N];
ll ans;
pair<ll,int> a[N];	

int main() {

//	freopen("input.txt","r",stdin);

	scanf("%d",&n);

	for(int i=1;i<=n;i++) {

		scanf("%lld %d",&a[i].st,&a[i].nd);

	}

	sort(a+1,a+1+n);

	ll max_val=-inf;

	for(int i=1;i<=n;i++) {

		umax(max_val,-pre[i-1]+a[i].st);

		pre[i]=pre[i-1]+a[i].nd;

		umax(ans,max_val+pre[i]-a[i].st);

	}

	printf("%lld\n",ans);

}

Compilation message

art.cpp: In function 'int main()':
art.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
art.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %d",&a[i].st,&a[i].nd);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 4 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 572 KB Output is correct
9 Correct 2 ms 572 KB Output is correct
10 Correct 3 ms 572 KB Output is correct
11 Correct 2 ms 572 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 4 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 572 KB Output is correct
9 Correct 2 ms 572 KB Output is correct
10 Correct 3 ms 572 KB Output is correct
11 Correct 2 ms 572 KB Output is correct
12 Correct 3 ms 572 KB Output is correct
13 Correct 3 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 3 ms 744 KB Output is correct
17 Correct 2 ms 744 KB Output is correct
18 Correct 3 ms 744 KB Output is correct
19 Correct 3 ms 744 KB Output is correct
20 Correct 3 ms 748 KB Output is correct
21 Correct 2 ms 748 KB Output is correct
22 Correct 3 ms 748 KB Output is correct
23 Correct 3 ms 748 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 3 ms 748 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 4 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 572 KB Output is correct
9 Correct 2 ms 572 KB Output is correct
10 Correct 3 ms 572 KB Output is correct
11 Correct 2 ms 572 KB Output is correct
12 Correct 3 ms 572 KB Output is correct
13 Correct 3 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 3 ms 744 KB Output is correct
17 Correct 2 ms 744 KB Output is correct
18 Correct 3 ms 744 KB Output is correct
19 Correct 3 ms 744 KB Output is correct
20 Correct 3 ms 748 KB Output is correct
21 Correct 2 ms 748 KB Output is correct
22 Correct 3 ms 748 KB Output is correct
23 Correct 3 ms 748 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 3 ms 748 KB Output is correct
27 Correct 6 ms 872 KB Output is correct
28 Correct 6 ms 872 KB Output is correct
29 Correct 4 ms 872 KB Output is correct
30 Correct 7 ms 872 KB Output is correct
31 Correct 5 ms 872 KB Output is correct
32 Correct 6 ms 872 KB Output is correct
33 Correct 5 ms 872 KB Output is correct
34 Correct 6 ms 872 KB Output is correct
35 Correct 6 ms 872 KB Output is correct
36 Correct 5 ms 872 KB Output is correct
37 Correct 5 ms 872 KB Output is correct
38 Correct 4 ms 872 KB Output is correct
39 Correct 7 ms 872 KB Output is correct
40 Correct 5 ms 872 KB Output is correct
41 Correct 5 ms 872 KB Output is correct
42 Correct 5 ms 872 KB Output is correct
43 Correct 7 ms 872 KB Output is correct
44 Correct 5 ms 872 KB Output is correct
45 Correct 5 ms 872 KB Output is correct
46 Correct 5 ms 872 KB Output is correct
47 Correct 5 ms 872 KB Output is correct
48 Correct 6 ms 872 KB Output is correct
49 Correct 7 ms 872 KB Output is correct
50 Correct 6 ms 872 KB Output is correct
51 Correct 6 ms 872 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 4 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 3 ms 516 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 572 KB Output is correct
9 Correct 2 ms 572 KB Output is correct
10 Correct 3 ms 572 KB Output is correct
11 Correct 2 ms 572 KB Output is correct
12 Correct 3 ms 572 KB Output is correct
13 Correct 3 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 3 ms 744 KB Output is correct
17 Correct 2 ms 744 KB Output is correct
18 Correct 3 ms 744 KB Output is correct
19 Correct 3 ms 744 KB Output is correct
20 Correct 3 ms 748 KB Output is correct
21 Correct 2 ms 748 KB Output is correct
22 Correct 3 ms 748 KB Output is correct
23 Correct 3 ms 748 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 3 ms 748 KB Output is correct
27 Correct 6 ms 872 KB Output is correct
28 Correct 6 ms 872 KB Output is correct
29 Correct 4 ms 872 KB Output is correct
30 Correct 7 ms 872 KB Output is correct
31 Correct 5 ms 872 KB Output is correct
32 Correct 6 ms 872 KB Output is correct
33 Correct 5 ms 872 KB Output is correct
34 Correct 6 ms 872 KB Output is correct
35 Correct 6 ms 872 KB Output is correct
36 Correct 5 ms 872 KB Output is correct
37 Correct 5 ms 872 KB Output is correct
38 Correct 4 ms 872 KB Output is correct
39 Correct 7 ms 872 KB Output is correct
40 Correct 5 ms 872 KB Output is correct
41 Correct 5 ms 872 KB Output is correct
42 Correct 5 ms 872 KB Output is correct
43 Correct 7 ms 872 KB Output is correct
44 Correct 5 ms 872 KB Output is correct
45 Correct 5 ms 872 KB Output is correct
46 Correct 5 ms 872 KB Output is correct
47 Correct 5 ms 872 KB Output is correct
48 Correct 6 ms 872 KB Output is correct
49 Correct 7 ms 872 KB Output is correct
50 Correct 6 ms 872 KB Output is correct
51 Correct 6 ms 872 KB Output is correct
52 Correct 310 ms 12348 KB Output is correct
53 Correct 298 ms 12420 KB Output is correct
54 Correct 307 ms 12420 KB Output is correct
55 Correct 268 ms 12420 KB Output is correct
56 Correct 280 ms 12420 KB Output is correct
57 Correct 300 ms 12420 KB Output is correct
58 Correct 290 ms 12420 KB Output is correct
59 Correct 281 ms 12420 KB Output is correct
60 Correct 303 ms 12420 KB Output is correct
61 Correct 332 ms 12420 KB Output is correct
62 Correct 355 ms 12420 KB Output is correct
63 Correct 322 ms 12420 KB Output is correct
64 Correct 295 ms 12420 KB Output is correct
65 Correct 300 ms 12420 KB Output is correct
66 Correct 372 ms 12420 KB Output is correct
67 Correct 352 ms 12420 KB Output is correct
68 Correct 335 ms 12420 KB Output is correct