#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define speed cin.tie (0) -> sync_with_stdio (0);ios_base::sync_with_stdio(false);cin.tie(0);
void solve()
{
int n;
cin>>n;
pair<int, int> a[n + 5];
for(int i=1; i<=n; i++) cin>>a[i].first>>a[i].second;
sort(a+1, a+n+1);
int s[n + 5] = {}, mx[n + 5] = {}, p[n + 5] = {};
for(int i=1; i<=n; i++)
{
p[i] = p[i - 1] + a[i].second;
s[i] = p[i] - a[i].first;
}
for(int i=n; i>=1; i--) mx[i] = max(mx[i + 1], s[i]);
int ans = 0;
for(int i=1; i<=n; i++)
{
int cur = -1000000000000000000;
// for(int j=i; j<=n; j++) cur = max(cur, (p[j] - a[j].first));
// ai = mn, aj = mx;
ans = max(ans, mx[i] - (p[i - 1] - a[i].first));
// ans = max(ans, cur - (p[i - 1] - a[i].first));
}
cout<<ans<<endl;
}
signed main ()
{
speed
// freopen("feast.in", "r", stdin);
// freopen("feast.out", "w", stdout);
int _ = 1;
// cin>>_;
while(_--) solve();
return 0;
}
Compilation message
art.cpp: In function 'void solve()':
art.cpp:26:13: warning: unused variable 'cur' [-Wunused-variable]
26 | int cur = -1000000000000000000;
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |