#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
const int inf=1e18;
signed main()
{
int n;cin>>n;
pair<int,int>a[n+1];
for(int i=1;i<=n;i++)
{
cin>>a[i].fi>>a[i].se;
}
sort(a+1,a+n+1);
int b[n+1],pref[n+1]={0};
for(int i=1;i<=n;i++)
{
pref[i]=pref[i-1]+a[i].se;
b[i]=pref[i]-a[i].fi;
}
/*for(int i=1;i<=n;i++)cout<<a[i].fi<<" ";
cout<<endl;
for(int i=1;i<=n;i++)cout<<a[i].se<<" ";
cout<<endl;
for(int i=1;i<=n;i++)cout<<pref[i]<<" ";
cout<<endl;
for(int i=1;i<=n;i++)cout<<b[i]<<" ";
cout<<endl;*/
int maks=-inf,res=-inf;
for(int i=n;i>=1;i--)
{
maks=max(maks,b[i]);
res=max(res,maks+a[i].fi-pref[i-1]);
}
cout<<res<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
424 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
436 KB |
Output is correct |
4 |
Correct |
0 ms |
440 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
432 KB |
Output is correct |
7 |
Correct |
0 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 |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
424 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
436 KB |
Output is correct |
4 |
Correct |
0 ms |
440 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
432 KB |
Output is correct |
7 |
Correct |
0 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 |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 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 |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
424 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
436 KB |
Output is correct |
4 |
Correct |
0 ms |
440 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
432 KB |
Output is correct |
7 |
Correct |
0 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 |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 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 |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
4 ms |
600 KB |
Output is correct |
28 |
Correct |
4 ms |
604 KB |
Output is correct |
29 |
Correct |
4 ms |
604 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
4 ms |
604 KB |
Output is correct |
32 |
Correct |
4 ms |
700 KB |
Output is correct |
33 |
Correct |
5 ms |
600 KB |
Output is correct |
34 |
Correct |
4 ms |
600 KB |
Output is correct |
35 |
Correct |
4 ms |
616 KB |
Output is correct |
36 |
Correct |
4 ms |
604 KB |
Output is correct |
37 |
Correct |
4 ms |
604 KB |
Output is correct |
38 |
Correct |
4 ms |
680 KB |
Output is correct |
39 |
Correct |
4 ms |
856 KB |
Output is correct |
40 |
Correct |
4 ms |
636 KB |
Output is correct |
41 |
Correct |
4 ms |
600 KB |
Output is correct |
42 |
Correct |
4 ms |
604 KB |
Output is correct |
43 |
Correct |
4 ms |
604 KB |
Output is correct |
44 |
Correct |
4 ms |
600 KB |
Output is correct |
45 |
Correct |
4 ms |
604 KB |
Output is correct |
46 |
Correct |
4 ms |
604 KB |
Output is correct |
47 |
Correct |
4 ms |
604 KB |
Output is correct |
48 |
Correct |
4 ms |
604 KB |
Output is correct |
49 |
Correct |
4 ms |
604 KB |
Output is correct |
50 |
Correct |
4 ms |
604 KB |
Output is correct |
51 |
Correct |
6 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
424 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
436 KB |
Output is correct |
4 |
Correct |
0 ms |
440 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
432 KB |
Output is correct |
7 |
Correct |
0 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 |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 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 |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
4 ms |
600 KB |
Output is correct |
28 |
Correct |
4 ms |
604 KB |
Output is correct |
29 |
Correct |
4 ms |
604 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
4 ms |
604 KB |
Output is correct |
32 |
Correct |
4 ms |
700 KB |
Output is correct |
33 |
Correct |
5 ms |
600 KB |
Output is correct |
34 |
Correct |
4 ms |
600 KB |
Output is correct |
35 |
Correct |
4 ms |
616 KB |
Output is correct |
36 |
Correct |
4 ms |
604 KB |
Output is correct |
37 |
Correct |
4 ms |
604 KB |
Output is correct |
38 |
Correct |
4 ms |
680 KB |
Output is correct |
39 |
Correct |
4 ms |
856 KB |
Output is correct |
40 |
Correct |
4 ms |
636 KB |
Output is correct |
41 |
Correct |
4 ms |
600 KB |
Output is correct |
42 |
Correct |
4 ms |
604 KB |
Output is correct |
43 |
Correct |
4 ms |
604 KB |
Output is correct |
44 |
Correct |
4 ms |
600 KB |
Output is correct |
45 |
Correct |
4 ms |
604 KB |
Output is correct |
46 |
Correct |
4 ms |
604 KB |
Output is correct |
47 |
Correct |
4 ms |
604 KB |
Output is correct |
48 |
Correct |
4 ms |
604 KB |
Output is correct |
49 |
Correct |
4 ms |
604 KB |
Output is correct |
50 |
Correct |
4 ms |
604 KB |
Output is correct |
51 |
Correct |
6 ms |
632 KB |
Output is correct |
52 |
Correct |
390 ms |
28568 KB |
Output is correct |
53 |
Correct |
378 ms |
28696 KB |
Output is correct |
54 |
Correct |
370 ms |
28496 KB |
Output is correct |
55 |
Correct |
376 ms |
28568 KB |
Output is correct |
56 |
Correct |
370 ms |
28504 KB |
Output is correct |
57 |
Correct |
380 ms |
28628 KB |
Output is correct |
58 |
Correct |
371 ms |
28696 KB |
Output is correct |
59 |
Correct |
384 ms |
28756 KB |
Output is correct |
60 |
Correct |
370 ms |
28496 KB |
Output is correct |
61 |
Correct |
376 ms |
28564 KB |
Output is correct |
62 |
Correct |
373 ms |
28500 KB |
Output is correct |
63 |
Correct |
373 ms |
28556 KB |
Output is correct |
64 |
Correct |
371 ms |
28560 KB |
Output is correct |
65 |
Correct |
376 ms |
28496 KB |
Output is correct |
66 |
Correct |
375 ms |
28704 KB |
Output is correct |
67 |
Correct |
390 ms |
28720 KB |
Output is correct |
68 |
Correct |
374 ms |
28500 KB |
Output is correct |