#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct date
{
ll a,b;
} v[500005];
ll ans=0;
int n;
bool comp(date a, date b)
{
return a.a<b.a;
}
ll arb[2000005],toprop[2000005];
void prop(int nod)
{
ll val=toprop[nod];
for(int i=nod*2;i<=nod*2+1;i++)
{
arb[i]+=val;
toprop[i]+=val;
}
}
void update(int nod,int st,int dr,int a,int b,ll val)
{
if(st!=dr)
prop(nod);
toprop[nod]=0;
if(st>=a&&dr<=b)
{
arb[nod]+=val;
toprop[nod]+=val;
return;
}
int mij=(st+dr)/2;
if(a<=mij)
update(nod*2,st,mij,a,b,val);
if(b>mij)
update(nod*2+1,mij+1,dr,a,b,val);
arb[nod]=max(arb[nod*2],arb[nod*2+1]);
}
ll query(int nod,int st,int dr,int a,int b)
{
if(st!=dr)
prop(nod);
toprop[nod]=0;
if(st>=a&&dr<=b)
return arb[nod];
int mij=(st+dr)/2;
ll rez=0;
if(a<=mij)
rez=max(rez,query(nod*2,st,mij,a,b));
if(b>mij)
rez=max(rez,query(nod*2+1,mij+1,dr,a,b));
return rez;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cin>>n;
for(int i=1;i<=n;i++)
cin>>v[i].a>>v[i].b;
sort(v+1,v+n+1,comp);
for(int i=1;i<=n;i++)
{
update(1,1,n,i,n,v[i].b);
update(1,1,n,i,i,-v[i].a);
}
for(int i=1;i<=n;i++)
{
update(1,1,n,i,n,+v[i].a);
ll val=query(1,1,n,i,n);
ans=max(ans,val);
update(1,1,n,i,n,-v[i].a);
update(1,1,n,i,n,-v[i].b);
update(1,1,n,i,i,+v[i].a);
}
cout<<ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
7 ms |
724 KB |
Output is correct |
| 28 |
Correct |
7 ms |
728 KB |
Output is correct |
| 29 |
Correct |
9 ms |
716 KB |
Output is correct |
| 30 |
Correct |
7 ms |
716 KB |
Output is correct |
| 31 |
Correct |
7 ms |
724 KB |
Output is correct |
| 32 |
Correct |
7 ms |
720 KB |
Output is correct |
| 33 |
Correct |
7 ms |
724 KB |
Output is correct |
| 34 |
Correct |
7 ms |
724 KB |
Output is correct |
| 35 |
Correct |
7 ms |
780 KB |
Output is correct |
| 36 |
Correct |
7 ms |
728 KB |
Output is correct |
| 37 |
Correct |
7 ms |
724 KB |
Output is correct |
| 38 |
Correct |
7 ms |
724 KB |
Output is correct |
| 39 |
Correct |
7 ms |
812 KB |
Output is correct |
| 40 |
Correct |
9 ms |
784 KB |
Output is correct |
| 41 |
Correct |
7 ms |
724 KB |
Output is correct |
| 42 |
Correct |
7 ms |
724 KB |
Output is correct |
| 43 |
Correct |
7 ms |
720 KB |
Output is correct |
| 44 |
Correct |
7 ms |
804 KB |
Output is correct |
| 45 |
Correct |
7 ms |
724 KB |
Output is correct |
| 46 |
Correct |
6 ms |
712 KB |
Output is correct |
| 47 |
Correct |
6 ms |
724 KB |
Output is correct |
| 48 |
Correct |
7 ms |
724 KB |
Output is correct |
| 49 |
Correct |
8 ms |
724 KB |
Output is correct |
| 50 |
Correct |
7 ms |
724 KB |
Output is correct |
| 51 |
Correct |
8 ms |
724 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
7 ms |
724 KB |
Output is correct |
| 28 |
Correct |
7 ms |
728 KB |
Output is correct |
| 29 |
Correct |
9 ms |
716 KB |
Output is correct |
| 30 |
Correct |
7 ms |
716 KB |
Output is correct |
| 31 |
Correct |
7 ms |
724 KB |
Output is correct |
| 32 |
Correct |
7 ms |
720 KB |
Output is correct |
| 33 |
Correct |
7 ms |
724 KB |
Output is correct |
| 34 |
Correct |
7 ms |
724 KB |
Output is correct |
| 35 |
Correct |
7 ms |
780 KB |
Output is correct |
| 36 |
Correct |
7 ms |
728 KB |
Output is correct |
| 37 |
Correct |
7 ms |
724 KB |
Output is correct |
| 38 |
Correct |
7 ms |
724 KB |
Output is correct |
| 39 |
Correct |
7 ms |
812 KB |
Output is correct |
| 40 |
Correct |
9 ms |
784 KB |
Output is correct |
| 41 |
Correct |
7 ms |
724 KB |
Output is correct |
| 42 |
Correct |
7 ms |
724 KB |
Output is correct |
| 43 |
Correct |
7 ms |
720 KB |
Output is correct |
| 44 |
Correct |
7 ms |
804 KB |
Output is correct |
| 45 |
Correct |
7 ms |
724 KB |
Output is correct |
| 46 |
Correct |
6 ms |
712 KB |
Output is correct |
| 47 |
Correct |
6 ms |
724 KB |
Output is correct |
| 48 |
Correct |
7 ms |
724 KB |
Output is correct |
| 49 |
Correct |
8 ms |
724 KB |
Output is correct |
| 50 |
Correct |
7 ms |
724 KB |
Output is correct |
| 51 |
Correct |
8 ms |
724 KB |
Output is correct |
| 52 |
Correct |
884 ms |
37192 KB |
Output is correct |
| 53 |
Correct |
893 ms |
37236 KB |
Output is correct |
| 54 |
Correct |
893 ms |
37244 KB |
Output is correct |
| 55 |
Correct |
897 ms |
37248 KB |
Output is correct |
| 56 |
Correct |
882 ms |
37316 KB |
Output is correct |
| 57 |
Correct |
899 ms |
37272 KB |
Output is correct |
| 58 |
Correct |
870 ms |
37324 KB |
Output is correct |
| 59 |
Correct |
889 ms |
37232 KB |
Output is correct |
| 60 |
Correct |
870 ms |
37232 KB |
Output is correct |
| 61 |
Correct |
867 ms |
37336 KB |
Output is correct |
| 62 |
Correct |
871 ms |
37236 KB |
Output is correct |
| 63 |
Correct |
865 ms |
37176 KB |
Output is correct |
| 64 |
Correct |
852 ms |
37308 KB |
Output is correct |
| 65 |
Correct |
871 ms |
37252 KB |
Output is correct |
| 66 |
Correct |
869 ms |
37264 KB |
Output is correct |
| 67 |
Correct |
869 ms |
37232 KB |
Output is correct |
| 68 |
Correct |
863 ms |
37324 KB |
Output is correct |
