#pragma GCC optimize("O3")
#include "bits/stdc++.h"
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
tree<int,int,greater<int>,rb_tree_tag,tree_order_statistics_node_update> map_t;
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define F0R(i, a) for(int i = 0; i < (a); ++i)
#define sz(x) (int)x.size()
#define SORT(x) sort(x.begin(),x.end())
#define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end())
#define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin())
#define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin())
#define REV(x) reverse(x.begin(),x.end())
int dx[]={-1,0,1,0};
int dy[]={0,-1,0,1};
const int mxN=5e5+5;
const ll INF=1e17;
pair<ll,int> arr[mxN];
ll pref[mxN];
int n;
ll t[4*mxN];
void build(int v,int tl,int tr) {
if(tl==tr) {
t[v]=pref[tl];
return;
}
int mid=tl+(tr-tl)/2;
build(2*v,tl,mid);
build(2*v+1,mid+1,tr);
t[v]=max(t[2*v],t[2*v+1]);
}
ll qry(int v,int tl,int tr,int l,int r) {
if(tl>r || tr<l)
return -INF;
if(tl>=l && tr<=r)
return t[v];
int mid=tl+(tr-tl)/2;
return max(qry(2*v,tl,mid,l,r),qry(2*v+1,mid+1,tr,l,r));
}
int main() {
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
F0R(i,n)
cin >> arr[i].first >> arr[i].second;
sort(arr,arr+n);
pref[0]=arr[0].second;
FOR(i,1,n)
pref[i]=pref[i-1]+arr[i].second;
F0R(i,n)
pref[i]-=arr[i].first;
build(1,0,n-1);
ll best=-INF;
F0R(i,n) {
ll val=qry(1,0,n-1,i,n-1);
ll bef=0;
if(i!=0)
bef=pref[i-1]+arr[i-1].first;
best=max(best,val+arr[i].first-bef);
}
cout << best;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
6 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
512 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
6 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
512 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
8 ms |
768 KB |
Output is correct |
| 28 |
Correct |
8 ms |
768 KB |
Output is correct |
| 29 |
Correct |
7 ms |
768 KB |
Output is correct |
| 30 |
Correct |
7 ms |
768 KB |
Output is correct |
| 31 |
Correct |
7 ms |
768 KB |
Output is correct |
| 32 |
Correct |
7 ms |
768 KB |
Output is correct |
| 33 |
Correct |
8 ms |
848 KB |
Output is correct |
| 34 |
Correct |
7 ms |
768 KB |
Output is correct |
| 35 |
Correct |
7 ms |
768 KB |
Output is correct |
| 36 |
Correct |
7 ms |
768 KB |
Output is correct |
| 37 |
Correct |
7 ms |
768 KB |
Output is correct |
| 38 |
Correct |
7 ms |
768 KB |
Output is correct |
| 39 |
Correct |
7 ms |
768 KB |
Output is correct |
| 40 |
Correct |
7 ms |
768 KB |
Output is correct |
| 41 |
Correct |
7 ms |
768 KB |
Output is correct |
| 42 |
Correct |
7 ms |
768 KB |
Output is correct |
| 43 |
Correct |
7 ms |
768 KB |
Output is correct |
| 44 |
Correct |
8 ms |
768 KB |
Output is correct |
| 45 |
Correct |
7 ms |
768 KB |
Output is correct |
| 46 |
Correct |
7 ms |
768 KB |
Output is correct |
| 47 |
Correct |
7 ms |
768 KB |
Output is correct |
| 48 |
Correct |
7 ms |
768 KB |
Output is correct |
| 49 |
Correct |
7 ms |
768 KB |
Output is correct |
| 50 |
Correct |
7 ms |
768 KB |
Output is correct |
| 51 |
Correct |
7 ms |
768 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
6 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
512 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
5 ms |
384 KB |
Output is correct |
| 25 |
Correct |
5 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
8 ms |
768 KB |
Output is correct |
| 28 |
Correct |
8 ms |
768 KB |
Output is correct |
| 29 |
Correct |
7 ms |
768 KB |
Output is correct |
| 30 |
Correct |
7 ms |
768 KB |
Output is correct |
| 31 |
Correct |
7 ms |
768 KB |
Output is correct |
| 32 |
Correct |
7 ms |
768 KB |
Output is correct |
| 33 |
Correct |
8 ms |
848 KB |
Output is correct |
| 34 |
Correct |
7 ms |
768 KB |
Output is correct |
| 35 |
Correct |
7 ms |
768 KB |
Output is correct |
| 36 |
Correct |
7 ms |
768 KB |
Output is correct |
| 37 |
Correct |
7 ms |
768 KB |
Output is correct |
| 38 |
Correct |
7 ms |
768 KB |
Output is correct |
| 39 |
Correct |
7 ms |
768 KB |
Output is correct |
| 40 |
Correct |
7 ms |
768 KB |
Output is correct |
| 41 |
Correct |
7 ms |
768 KB |
Output is correct |
| 42 |
Correct |
7 ms |
768 KB |
Output is correct |
| 43 |
Correct |
7 ms |
768 KB |
Output is correct |
| 44 |
Correct |
8 ms |
768 KB |
Output is correct |
| 45 |
Correct |
7 ms |
768 KB |
Output is correct |
| 46 |
Correct |
7 ms |
768 KB |
Output is correct |
| 47 |
Correct |
7 ms |
768 KB |
Output is correct |
| 48 |
Correct |
7 ms |
768 KB |
Output is correct |
| 49 |
Correct |
7 ms |
768 KB |
Output is correct |
| 50 |
Correct |
7 ms |
768 KB |
Output is correct |
| 51 |
Correct |
7 ms |
768 KB |
Output is correct |
| 52 |
Correct |
269 ms |
21368 KB |
Output is correct |
| 53 |
Correct |
275 ms |
21112 KB |
Output is correct |
| 54 |
Correct |
269 ms |
21284 KB |
Output is correct |
| 55 |
Correct |
271 ms |
21112 KB |
Output is correct |
| 56 |
Correct |
278 ms |
21496 KB |
Output is correct |
| 57 |
Correct |
265 ms |
21244 KB |
Output is correct |
| 58 |
Correct |
278 ms |
21256 KB |
Output is correct |
| 59 |
Correct |
280 ms |
21368 KB |
Output is correct |
| 60 |
Correct |
271 ms |
21216 KB |
Output is correct |
| 61 |
Correct |
268 ms |
21240 KB |
Output is correct |
| 62 |
Correct |
272 ms |
21368 KB |
Output is correct |
| 63 |
Correct |
286 ms |
21240 KB |
Output is correct |
| 64 |
Correct |
279 ms |
21368 KB |
Output is correct |
| 65 |
Correct |
300 ms |
21112 KB |
Output is correct |
| 66 |
Correct |
281 ms |
21248 KB |
Output is correct |
| 67 |
Correct |
263 ms |
21112 KB |
Output is correct |
| 68 |
Correct |
283 ms |
21112 KB |
Output is correct |
