#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pll pair<ll, ll>
#define fi first
#define se second
#define speed ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int main() {
speed;
int n;
cin >> n;
vector<pll> a(n);
int start = 0; bool ok = 1;
for(int i = 0; i < n; i++) cin >> a[i].fi >> a[i].se;
sort(begin(a), end(a));
for(int i = 0; i < n; i++) {
if(a[i].se > a[i].fi && ok) {
ok = 0;
start = i;
}
}
ll pref[n+1]{};
pref[0] = a[0].se;
ll ans = 0ll;
for(int i = 1; i < n; i++) pref[i] = a[i].se + pref[i-1];
for(int i = start; i < n; i++) ans = max(ans, pref[i] - (start ? pref[start-1] : 0ll) - (a[i].fi - a[start].fi));
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |