//gm --- akezhon
#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define int long long
#define pb push_back
#define F first
#define S second
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define tm (tl+tr)/2
#define TL v+v, tl, tm
#define TR v+v+1, tm+1, tr
#define DA l <= tl && tr <= r
#define NET r < tl || tr < l
#define double long double
using namespace std;
const int N=1e5+7;
const int M=1e9+7;
const int inf=1e9;
int n;
double a[N], b[N];
void AlemAmenov(){
cin >> n;
for(int i=1; i <= n; i++){
cin >> a[i] >> b[i];
}
sort(a+1, a+1+n);
sort(b+1, b+1+n);
reverse(a+1, a+1+n);
reverse(b+1, b+1+n);
int c1=0, c2=0;
double ans = 0;
for(int i=1; i <= n; i++){
a[i] += a[i-1];
b[i] += b[i-1];
}
while(a[c1] - c1 - c2 <= 0){
c1++;
while(b[c2] - c1 - c2 <= 0){
c2++;
}
}
cout << fixed << setprecision(5) << min(a[c1], b[c2]) - c1 - c2;
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
// freopen("promote.in", "r", stdin);
// freopen("promote.out", "w", stdout);
int RealName=1;
// cin >> RealName;
// int C=0;
while(RealName--){
// cout << "Case " << ++C << ":\n";
AlemAmenov();
}
return 0;
}
Compilation message
sure.cpp: In function 'void AlemAmenov()':
sure.cpp:34:9: warning: unused variable 'ans' [-Wunused-variable]
34 | double ans = 0;
| ^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
2 ms |
2392 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
2 ms |
2392 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
2 ms |
2392 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
