#include <bits/stdc++.h>
using namespace std;
int n;
long long maxt[2000100],ans,val[500100];
pair<long long,long long> pic[500100];
void init(int s,int f,int node)
{
if(s==f)
{
maxt[node]=val[s];
return;
}
init(s,(s+f)/2,node*2);
init((s+f)/2+1,f,node*2+1);
maxt[node]=max(maxt[node*2],maxt[node*2+1]);
}
long long query(int s,int f,int node,int l,int r)
{
if(f<l||r<s)
return -100000000000000000;
if(l<=s&&f<=r)
return maxt[node];
return max(query(s,(s+f)/2,node*2,l,r),query((s+f)/2+1,f,node*2+1,l,r));
}
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
scanf("%lld %lld",&pic[i].first,&pic[i].second);
sort(pic+1,pic+n+1);
for(int i=1;i<=n;i++)
val[i]+=(val[i-1]+pic[i-1].first-pic[i].first+pic[i].second);
init(1,n,1);
ans=0;
for(int i=1;i<n;i++)
{
ans=max(ans,query(1,n,1,i,n)-val[i]+pic[i].second);
//cout<<query(1,n,1,i+1,n)-val[i]+pic[i].second<<"\n";
}
cout<<ans;
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld %lld",&pic[i].first,&pic[i].second);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
380 KB |
Output is correct |
| 10 |
Correct |
2 ms |
380 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
380 KB |
Output is correct |
| 10 |
Correct |
2 ms |
380 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
3 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
380 KB |
Output is correct |
| 21 |
Correct |
2 ms |
372 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
376 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
380 KB |
Output is correct |
| 10 |
Correct |
2 ms |
380 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
3 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
380 KB |
Output is correct |
| 21 |
Correct |
2 ms |
372 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
376 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| 27 |
Correct |
5 ms |
632 KB |
Output is correct |
| 28 |
Correct |
5 ms |
632 KB |
Output is correct |
| 29 |
Correct |
5 ms |
604 KB |
Output is correct |
| 30 |
Correct |
5 ms |
632 KB |
Output is correct |
| 31 |
Correct |
5 ms |
504 KB |
Output is correct |
| 32 |
Correct |
5 ms |
632 KB |
Output is correct |
| 33 |
Correct |
5 ms |
632 KB |
Output is correct |
| 34 |
Correct |
5 ms |
632 KB |
Output is correct |
| 35 |
Correct |
5 ms |
632 KB |
Output is correct |
| 36 |
Correct |
5 ms |
508 KB |
Output is correct |
| 37 |
Correct |
5 ms |
636 KB |
Output is correct |
| 38 |
Correct |
5 ms |
632 KB |
Output is correct |
| 39 |
Correct |
5 ms |
632 KB |
Output is correct |
| 40 |
Correct |
5 ms |
504 KB |
Output is correct |
| 41 |
Correct |
5 ms |
504 KB |
Output is correct |
| 42 |
Correct |
5 ms |
632 KB |
Output is correct |
| 43 |
Correct |
6 ms |
632 KB |
Output is correct |
| 44 |
Correct |
5 ms |
604 KB |
Output is correct |
| 45 |
Correct |
5 ms |
632 KB |
Output is correct |
| 46 |
Correct |
5 ms |
632 KB |
Output is correct |
| 47 |
Correct |
5 ms |
504 KB |
Output is correct |
| 48 |
Correct |
5 ms |
504 KB |
Output is correct |
| 49 |
Correct |
5 ms |
504 KB |
Output is correct |
| 50 |
Correct |
5 ms |
504 KB |
Output is correct |
| 51 |
Correct |
6 ms |
632 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
380 KB |
Output is correct |
| 10 |
Correct |
2 ms |
380 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
3 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
2 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
380 KB |
Output is correct |
| 21 |
Correct |
2 ms |
372 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
376 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| 27 |
Correct |
5 ms |
632 KB |
Output is correct |
| 28 |
Correct |
5 ms |
632 KB |
Output is correct |
| 29 |
Correct |
5 ms |
604 KB |
Output is correct |
| 30 |
Correct |
5 ms |
632 KB |
Output is correct |
| 31 |
Correct |
5 ms |
504 KB |
Output is correct |
| 32 |
Correct |
5 ms |
632 KB |
Output is correct |
| 33 |
Correct |
5 ms |
632 KB |
Output is correct |
| 34 |
Correct |
5 ms |
632 KB |
Output is correct |
| 35 |
Correct |
5 ms |
632 KB |
Output is correct |
| 36 |
Correct |
5 ms |
508 KB |
Output is correct |
| 37 |
Correct |
5 ms |
636 KB |
Output is correct |
| 38 |
Correct |
5 ms |
632 KB |
Output is correct |
| 39 |
Correct |
5 ms |
632 KB |
Output is correct |
| 40 |
Correct |
5 ms |
504 KB |
Output is correct |
| 41 |
Correct |
5 ms |
504 KB |
Output is correct |
| 42 |
Correct |
5 ms |
632 KB |
Output is correct |
| 43 |
Correct |
6 ms |
632 KB |
Output is correct |
| 44 |
Correct |
5 ms |
604 KB |
Output is correct |
| 45 |
Correct |
5 ms |
632 KB |
Output is correct |
| 46 |
Correct |
5 ms |
632 KB |
Output is correct |
| 47 |
Correct |
5 ms |
504 KB |
Output is correct |
| 48 |
Correct |
5 ms |
504 KB |
Output is correct |
| 49 |
Correct |
5 ms |
504 KB |
Output is correct |
| 50 |
Correct |
5 ms |
504 KB |
Output is correct |
| 51 |
Correct |
6 ms |
632 KB |
Output is correct |
| 52 |
Correct |
356 ms |
20360 KB |
Output is correct |
| 53 |
Correct |
354 ms |
33000 KB |
Output is correct |
| 54 |
Correct |
354 ms |
33016 KB |
Output is correct |
| 55 |
Correct |
356 ms |
32924 KB |
Output is correct |
| 56 |
Correct |
354 ms |
32892 KB |
Output is correct |
| 57 |
Correct |
354 ms |
32888 KB |
Output is correct |
| 58 |
Correct |
354 ms |
32888 KB |
Output is correct |
| 59 |
Correct |
354 ms |
33016 KB |
Output is correct |
| 60 |
Correct |
353 ms |
33016 KB |
Output is correct |
| 61 |
Correct |
358 ms |
32864 KB |
Output is correct |
| 62 |
Correct |
355 ms |
32996 KB |
Output is correct |
| 63 |
Correct |
356 ms |
32888 KB |
Output is correct |
| 64 |
Correct |
366 ms |
32992 KB |
Output is correct |
| 65 |
Correct |
359 ms |
33076 KB |
Output is correct |
| 66 |
Correct |
359 ms |
32952 KB |
Output is correct |
| 67 |
Correct |
356 ms |
32864 KB |
Output is correct |
| 68 |
Correct |
351 ms |
32888 KB |
Output is correct |
