#include<bits/stdc++.h>
using namespace std;
long long n,a[500005],b[500005],c[500005],d[500005],ans;
pair<long long,long long> p[500005];
int main()
{
cin>>n;
for(int i=0;i<n;i++)
{
cin>>a[i]>>b[i];
p[i].first=a[i];
p[i].second=b[i];
}
sort(p,p+n);
for(int i=0;i<n;i++)
{
a[i]=p[i].first;
b[i]=p[i].second;
//cout<<a[i]<<" "<<b[i]<<'\n';
}
c[0]=b[0];
d[0]=b[0];
for(int i=1;i<n;i++)
{
c[i]=c[i-1]+b[i];
d[i]=d[i-1]+b[i];
}
for(int i=0;i<n;i++)
{
d[i]=d[i]-a[i];
c[i]=c[i]-b[i]-a[i];
}
ans=b[0];
for(int i=n-2;i>=0;i--)
{
d[i]=max(d[i],d[i+1]);
}
for(int i=1;i<n;i++)
{
c[i]=min(c[i],c[i-1]);
}
for(int i=0;i<n;i++)
{
ans=max(ans,d[i]-c[i]);
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
8 ms |
620 KB |
Output is correct |
28 |
Correct |
6 ms |
748 KB |
Output is correct |
29 |
Correct |
6 ms |
748 KB |
Output is correct |
30 |
Correct |
6 ms |
748 KB |
Output is correct |
31 |
Correct |
6 ms |
748 KB |
Output is correct |
32 |
Correct |
6 ms |
748 KB |
Output is correct |
33 |
Correct |
6 ms |
748 KB |
Output is correct |
34 |
Correct |
6 ms |
748 KB |
Output is correct |
35 |
Correct |
6 ms |
748 KB |
Output is correct |
36 |
Correct |
6 ms |
748 KB |
Output is correct |
37 |
Correct |
6 ms |
748 KB |
Output is correct |
38 |
Correct |
6 ms |
748 KB |
Output is correct |
39 |
Correct |
6 ms |
748 KB |
Output is correct |
40 |
Correct |
8 ms |
768 KB |
Output is correct |
41 |
Correct |
6 ms |
748 KB |
Output is correct |
42 |
Correct |
6 ms |
748 KB |
Output is correct |
43 |
Correct |
6 ms |
748 KB |
Output is correct |
44 |
Correct |
8 ms |
748 KB |
Output is correct |
45 |
Correct |
6 ms |
748 KB |
Output is correct |
46 |
Correct |
7 ms |
676 KB |
Output is correct |
47 |
Correct |
6 ms |
748 KB |
Output is correct |
48 |
Correct |
6 ms |
748 KB |
Output is correct |
49 |
Correct |
6 ms |
748 KB |
Output is correct |
50 |
Correct |
6 ms |
748 KB |
Output is correct |
51 |
Correct |
6 ms |
748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
8 ms |
620 KB |
Output is correct |
28 |
Correct |
6 ms |
748 KB |
Output is correct |
29 |
Correct |
6 ms |
748 KB |
Output is correct |
30 |
Correct |
6 ms |
748 KB |
Output is correct |
31 |
Correct |
6 ms |
748 KB |
Output is correct |
32 |
Correct |
6 ms |
748 KB |
Output is correct |
33 |
Correct |
6 ms |
748 KB |
Output is correct |
34 |
Correct |
6 ms |
748 KB |
Output is correct |
35 |
Correct |
6 ms |
748 KB |
Output is correct |
36 |
Correct |
6 ms |
748 KB |
Output is correct |
37 |
Correct |
6 ms |
748 KB |
Output is correct |
38 |
Correct |
6 ms |
748 KB |
Output is correct |
39 |
Correct |
6 ms |
748 KB |
Output is correct |
40 |
Correct |
8 ms |
768 KB |
Output is correct |
41 |
Correct |
6 ms |
748 KB |
Output is correct |
42 |
Correct |
6 ms |
748 KB |
Output is correct |
43 |
Correct |
6 ms |
748 KB |
Output is correct |
44 |
Correct |
8 ms |
748 KB |
Output is correct |
45 |
Correct |
6 ms |
748 KB |
Output is correct |
46 |
Correct |
7 ms |
676 KB |
Output is correct |
47 |
Correct |
6 ms |
748 KB |
Output is correct |
48 |
Correct |
6 ms |
748 KB |
Output is correct |
49 |
Correct |
6 ms |
748 KB |
Output is correct |
50 |
Correct |
6 ms |
748 KB |
Output is correct |
51 |
Correct |
6 ms |
748 KB |
Output is correct |
52 |
Correct |
568 ms |
30900 KB |
Output is correct |
53 |
Correct |
563 ms |
30828 KB |
Output is correct |
54 |
Correct |
559 ms |
30956 KB |
Output is correct |
55 |
Correct |
565 ms |
30956 KB |
Output is correct |
56 |
Correct |
567 ms |
30828 KB |
Output is correct |
57 |
Correct |
568 ms |
30828 KB |
Output is correct |
58 |
Correct |
561 ms |
30828 KB |
Output is correct |
59 |
Correct |
567 ms |
30956 KB |
Output is correct |
60 |
Correct |
566 ms |
30860 KB |
Output is correct |
61 |
Correct |
558 ms |
30956 KB |
Output is correct |
62 |
Correct |
564 ms |
30956 KB |
Output is correct |
63 |
Correct |
563 ms |
30844 KB |
Output is correct |
64 |
Correct |
563 ms |
30828 KB |
Output is correct |
65 |
Correct |
566 ms |
30828 KB |
Output is correct |
66 |
Correct |
564 ms |
30956 KB |
Output is correct |
67 |
Correct |
564 ms |
30956 KB |
Output is correct |
68 |
Correct |
562 ms |
30956 KB |
Output is correct |