#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef pair<ll, ll> ii;
const int maxn = 500010;
const ll inf = 0x3f3f3f3f3f3f3f3f;
ll p[maxn];
ii v[maxn];
ll a[maxn];
ll b[maxn];
ll s[maxn];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
for (int i = 1; i <= n; i++) cin >> v[i].ff >> v[i].ss;
sort(v+1, v+1+n);
for (int i = 1; i <= n; i++) p[i] = p[i-1] + v[i].ss;
for (int i = 1; i <= n; i++) a[i] = -p[i-1] + v[i].ff;
for (int i = 1; i <= n; i++) b[i] = p[i]-v[i].ff;
for (int i = n; i >= 1; i--) s[i] = max(s[i+1], b[i]);
ll ans = -inf;
for (int i = 1; i <= n; i++) ans = max(ans, a[i]+s[i]);
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |