#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define int long double
using namespace std;
//int pow(int a,int b,int m){int ans=1;while(b){if(b&1){ans=(ans*a)%m;}b>>=1;a=(a*a)%m;}return ans;}
//int binpow(int a,int b){int ans=1;while(b){if(b&1){ans=(ans*a);}b>>=1;a=(a*a);}return ans;}
const int N = 2e5 + 10, inf = 1e18;
main(){
iostream::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int32_t n;
cin >> n;
vector <int> a(n), b(n);
for(int i = 0; i < n; i++){
cin >> a[i] >> b[i];
}
int ans = 0;
sort(rall(a));
sort(rall(b));
int l = 0, r = 0, suma = 0, sumb = 0;
while(l < n || r < n){
if(suma < sumb && l < n){
suma += a[l++];
}else if(sumb < suma && r < n){
sumb += b[r++];
}else{
if(l < n){
suma += a[l++];
}else if(r < n){
sumb += b[r++];
}else
break;
}
ans = max(ans, min(sumb,suma) - l - r);
}
cout << fixed << setprecision(5) << ans;
}
Compilation message
sure.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
17 | main(){
| ^~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
452 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
452 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
452 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
