#include <bits/stdc++.h>
using namespace std;
#define N 500005
#define ll long long int
#define sz(x) (int)x.size()
#define ff first
#define ss second
ll T, n, b[N], mx[N];
pair <ll,ll> a[N];
int main(){
ios::sync_with_stdio(false); cin.tie(0);
cin >> n;
ll s = 0;
for(int i = 1; i <= n; i++){
cin >> a[i].ff >> a[i].ss;
s += a[i].ss;
}
sort(a+1,a+n+1);
ll ans = (s - (a[n].ff - a[1].ff));
for(int i = n; i >= 1; i--){
b[i] = b[i+1];
b[i] -= a[i].ss;
b[i] += (a[i].ff - a[i-1].ff);
mx[i] = max(mx[i+1], b[i]);
}
ll x = 0, k = max(0ll,mx[1]);
for(int i = 1; i <= n; i++){
x -= a[i].ss;
x += (a[i+1].ff - a[i].ff - 1);
k = max(k,x + mx[i+1]);
}
cout << ans + k << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |