#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
long long n,suf[500005],pmax[500005],ans;
pair<long long, long long > arr[500005];
bool cmp(pair<long long, long long > a, pair<long long, long long > b){
return a.fi>b.fi;
}
int main(){
cin>>n;
for(int i =1;i<=n;i++)cin>>arr[i].fi>>arr[i].se;
sort(arr+1,arr+n+1,cmp);
for(int i =n;i>=1;i--){
suf[i]=suf[i+1]+arr[i].se;
}
pmax[0]=-1e18;
for(int i =1;i<=n;i++){
pmax[i] = max(pmax[i-1],suf[i]-arr[i].fi);
}
for(int i =n;i>=1;i--){
ans = max(ans,arr[i].se);
ans = max(ans,pmax[i-1]+arr[i].fi-suf[i+1]);
}
cout<<ans<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
6 ms |
512 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
6 ms |
512 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
13 ms |
640 KB |
Output is correct |
28 |
Correct |
13 ms |
640 KB |
Output is correct |
29 |
Correct |
13 ms |
640 KB |
Output is correct |
30 |
Correct |
12 ms |
640 KB |
Output is correct |
31 |
Correct |
12 ms |
640 KB |
Output is correct |
32 |
Correct |
12 ms |
640 KB |
Output is correct |
33 |
Correct |
12 ms |
640 KB |
Output is correct |
34 |
Correct |
13 ms |
640 KB |
Output is correct |
35 |
Correct |
12 ms |
640 KB |
Output is correct |
36 |
Correct |
13 ms |
640 KB |
Output is correct |
37 |
Correct |
12 ms |
640 KB |
Output is correct |
38 |
Correct |
13 ms |
640 KB |
Output is correct |
39 |
Correct |
12 ms |
640 KB |
Output is correct |
40 |
Correct |
13 ms |
640 KB |
Output is correct |
41 |
Correct |
12 ms |
640 KB |
Output is correct |
42 |
Correct |
12 ms |
640 KB |
Output is correct |
43 |
Correct |
13 ms |
640 KB |
Output is correct |
44 |
Correct |
13 ms |
640 KB |
Output is correct |
45 |
Correct |
13 ms |
640 KB |
Output is correct |
46 |
Correct |
14 ms |
640 KB |
Output is correct |
47 |
Correct |
13 ms |
640 KB |
Output is correct |
48 |
Correct |
12 ms |
640 KB |
Output is correct |
49 |
Correct |
13 ms |
640 KB |
Output is correct |
50 |
Correct |
13 ms |
640 KB |
Output is correct |
51 |
Correct |
13 ms |
640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
6 ms |
512 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
13 ms |
640 KB |
Output is correct |
28 |
Correct |
13 ms |
640 KB |
Output is correct |
29 |
Correct |
13 ms |
640 KB |
Output is correct |
30 |
Correct |
12 ms |
640 KB |
Output is correct |
31 |
Correct |
12 ms |
640 KB |
Output is correct |
32 |
Correct |
12 ms |
640 KB |
Output is correct |
33 |
Correct |
12 ms |
640 KB |
Output is correct |
34 |
Correct |
13 ms |
640 KB |
Output is correct |
35 |
Correct |
12 ms |
640 KB |
Output is correct |
36 |
Correct |
13 ms |
640 KB |
Output is correct |
37 |
Correct |
12 ms |
640 KB |
Output is correct |
38 |
Correct |
13 ms |
640 KB |
Output is correct |
39 |
Correct |
12 ms |
640 KB |
Output is correct |
40 |
Correct |
13 ms |
640 KB |
Output is correct |
41 |
Correct |
12 ms |
640 KB |
Output is correct |
42 |
Correct |
12 ms |
640 KB |
Output is correct |
43 |
Correct |
13 ms |
640 KB |
Output is correct |
44 |
Correct |
13 ms |
640 KB |
Output is correct |
45 |
Correct |
13 ms |
640 KB |
Output is correct |
46 |
Correct |
14 ms |
640 KB |
Output is correct |
47 |
Correct |
13 ms |
640 KB |
Output is correct |
48 |
Correct |
12 ms |
640 KB |
Output is correct |
49 |
Correct |
13 ms |
640 KB |
Output is correct |
50 |
Correct |
13 ms |
640 KB |
Output is correct |
51 |
Correct |
13 ms |
640 KB |
Output is correct |
52 |
Correct |
823 ms |
28536 KB |
Output is correct |
53 |
Correct |
823 ms |
28664 KB |
Output is correct |
54 |
Correct |
814 ms |
28792 KB |
Output is correct |
55 |
Correct |
806 ms |
28792 KB |
Output is correct |
56 |
Correct |
812 ms |
28664 KB |
Output is correct |
57 |
Correct |
816 ms |
28792 KB |
Output is correct |
58 |
Correct |
810 ms |
28664 KB |
Output is correct |
59 |
Correct |
812 ms |
28664 KB |
Output is correct |
60 |
Correct |
798 ms |
28640 KB |
Output is correct |
61 |
Correct |
804 ms |
28664 KB |
Output is correct |
62 |
Correct |
812 ms |
28668 KB |
Output is correct |
63 |
Correct |
819 ms |
28792 KB |
Output is correct |
64 |
Correct |
823 ms |
28664 KB |
Output is correct |
65 |
Correct |
817 ms |
28792 KB |
Output is correct |
66 |
Correct |
814 ms |
28792 KB |
Output is correct |
67 |
Correct |
812 ms |
28664 KB |
Output is correct |
68 |
Correct |
821 ms |
28792 KB |
Output is correct |