#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define p(x,y) pair<ll,ll>(x,y)
#define BIT(i,x) ((x>>i)&1)
#define MASK(x) (1<<x)
#define ld long double
#define __builtin_popcount __builtin_popcountll
#define pll pair<ll,ll>
template<class T1,class T2>
bool maximize(T1 &x,const T2 &y)
{
if(x<y)
{
x=y;
return 1;
}
return 0;
}
template<class T1,class T2>
bool minimize(T1 &x,const T2 &y)
{
if(x>y)
{
x=y;
return 1;
}
return 0;
}
void online()
{
std::ios_base::sync_with_stdio(0);
cin.tie(0);
}
const ll M=1e16;
struct SegmentTree
{
vector<ll> Tree;
ll n;
SegmentTree(ll _n=0)
{
n=_n;
Tree.resize(4*n+1);
}
ll update(ll i,ll l,ll r,ll pos,ll vl)
{
if(r<pos||pos<l) return Tree[i];
if(l==r) return Tree[i]=vl;
return Tree[i]=min(update(i*2,l,(l+r)/2,pos,vl),update(i*2+1,(l+r)/2+1,r,pos,vl));
}
ll query(ll i,ll l,ll r,ll u,ll v)
{
if(v<l||r<u) return M;
if(u<=l&&r<=v) return Tree[i];
return min(query(i*2,l,(l+r)/2,u,v),query(i*2+1,(l+r)/2+1,r,u,v));
}
};
const ll N=5e5+10;
ll n,f[N];
pll a[N];
int main()
{
online();
cin>>n;
SegmentTree S(n);
for(int i=1;i<=n;i++)
{
cin>>a[i].fi>>a[i].se;
}
sort(a+1,a+n+1);
ll ans=0;
for(int i=1;i<=n;i++)
{
a[i].se+=a[i-1].se;
S.update(1,1,n,i,a[i-1].se-a[i].fi);
f[i]=a[i].se-a[i].fi+a[1].fi;
maximize(f[i],a[i].se-a[i].fi-S.query(1,1,n,1,i));
maximize(ans,f[i]);
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 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 |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 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 |
340 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 |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 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 |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 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 |
340 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 |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
724 KB |
Output is correct |
28 |
Correct |
2 ms |
724 KB |
Output is correct |
29 |
Correct |
3 ms |
724 KB |
Output is correct |
30 |
Correct |
2 ms |
724 KB |
Output is correct |
31 |
Correct |
3 ms |
724 KB |
Output is correct |
32 |
Correct |
3 ms |
748 KB |
Output is correct |
33 |
Correct |
2 ms |
724 KB |
Output is correct |
34 |
Correct |
3 ms |
720 KB |
Output is correct |
35 |
Correct |
3 ms |
724 KB |
Output is correct |
36 |
Correct |
3 ms |
724 KB |
Output is correct |
37 |
Correct |
4 ms |
744 KB |
Output is correct |
38 |
Correct |
2 ms |
724 KB |
Output is correct |
39 |
Correct |
2 ms |
724 KB |
Output is correct |
40 |
Correct |
2 ms |
724 KB |
Output is correct |
41 |
Correct |
2 ms |
724 KB |
Output is correct |
42 |
Correct |
2 ms |
720 KB |
Output is correct |
43 |
Correct |
2 ms |
744 KB |
Output is correct |
44 |
Correct |
3 ms |
724 KB |
Output is correct |
45 |
Correct |
2 ms |
744 KB |
Output is correct |
46 |
Correct |
2 ms |
720 KB |
Output is correct |
47 |
Correct |
3 ms |
648 KB |
Output is correct |
48 |
Correct |
2 ms |
724 KB |
Output is correct |
49 |
Correct |
2 ms |
724 KB |
Output is correct |
50 |
Correct |
2 ms |
724 KB |
Output is correct |
51 |
Correct |
2 ms |
724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
328 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 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 |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 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 |
340 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 |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
724 KB |
Output is correct |
28 |
Correct |
2 ms |
724 KB |
Output is correct |
29 |
Correct |
3 ms |
724 KB |
Output is correct |
30 |
Correct |
2 ms |
724 KB |
Output is correct |
31 |
Correct |
3 ms |
724 KB |
Output is correct |
32 |
Correct |
3 ms |
748 KB |
Output is correct |
33 |
Correct |
2 ms |
724 KB |
Output is correct |
34 |
Correct |
3 ms |
720 KB |
Output is correct |
35 |
Correct |
3 ms |
724 KB |
Output is correct |
36 |
Correct |
3 ms |
724 KB |
Output is correct |
37 |
Correct |
4 ms |
744 KB |
Output is correct |
38 |
Correct |
2 ms |
724 KB |
Output is correct |
39 |
Correct |
2 ms |
724 KB |
Output is correct |
40 |
Correct |
2 ms |
724 KB |
Output is correct |
41 |
Correct |
2 ms |
724 KB |
Output is correct |
42 |
Correct |
2 ms |
720 KB |
Output is correct |
43 |
Correct |
2 ms |
744 KB |
Output is correct |
44 |
Correct |
3 ms |
724 KB |
Output is correct |
45 |
Correct |
2 ms |
744 KB |
Output is correct |
46 |
Correct |
2 ms |
720 KB |
Output is correct |
47 |
Correct |
3 ms |
648 KB |
Output is correct |
48 |
Correct |
2 ms |
724 KB |
Output is correct |
49 |
Correct |
2 ms |
724 KB |
Output is correct |
50 |
Correct |
2 ms |
724 KB |
Output is correct |
51 |
Correct |
2 ms |
724 KB |
Output is correct |
52 |
Correct |
238 ms |
29336 KB |
Output is correct |
53 |
Correct |
231 ms |
29300 KB |
Output is correct |
54 |
Correct |
236 ms |
29388 KB |
Output is correct |
55 |
Correct |
227 ms |
29344 KB |
Output is correct |
56 |
Correct |
224 ms |
29388 KB |
Output is correct |
57 |
Correct |
232 ms |
29344 KB |
Output is correct |
58 |
Correct |
227 ms |
29388 KB |
Output is correct |
59 |
Correct |
249 ms |
29300 KB |
Output is correct |
60 |
Correct |
252 ms |
29336 KB |
Output is correct |
61 |
Correct |
227 ms |
29440 KB |
Output is correct |
62 |
Correct |
231 ms |
29364 KB |
Output is correct |
63 |
Correct |
227 ms |
29380 KB |
Output is correct |
64 |
Correct |
231 ms |
29360 KB |
Output is correct |
65 |
Correct |
225 ms |
29276 KB |
Output is correct |
66 |
Correct |
229 ms |
29260 KB |
Output is correct |
67 |
Correct |
235 ms |
29312 KB |
Output is correct |
68 |
Correct |
227 ms |
29336 KB |
Output is correct |