#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef long double ld;
const ll N=1e5+5;
const ll MOD=1e9+7;
#define REP(i,n) for(int i=0;i<n;++i)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
ll n;
ld a,b,ans;
priority_queue<ld> pqa,pqb;
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n;
REP1(i,n){
cin>>a>>b;
pqa.push(a);pqb.push(b);
}
a=b=0;
REP1(i,2*n){
if(pqa.empty()||pqb.empty()){
if(!pqa.empty()){
a+=pqa.top();pqa.pop();
}else{
b+=pqb.top();pqb.pop();
}
}else{
if(a<=b){
a+=pqa.top();pqa.pop();
}else{
b+=pqb.top();pqb.pop();
}
}
ans=max(ans,min(a,b)-i);
}
cout<<fixed<<setprecision(4)<<ans<<"\n";
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
376 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
364 KB |
Output is correct |
| 14 |
Correct |
2 ms |
364 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
376 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
364 KB |
Output is correct |
| 14 |
Correct |
2 ms |
364 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
364 KB |
Output is correct |
| 17 |
Correct |
138 ms |
5216 KB |
Output is correct |
| 18 |
Correct |
131 ms |
5072 KB |
Output is correct |
| 19 |
Correct |
133 ms |
5328 KB |
Output is correct |
| 20 |
Correct |
128 ms |
5072 KB |
Output is correct |
| 21 |
Correct |
146 ms |
5456 KB |
Output is correct |
| 22 |
Correct |
145 ms |
5072 KB |
Output is correct |
| 23 |
Correct |
135 ms |
5236 KB |
Output is correct |
| 24 |
Correct |
136 ms |
5164 KB |
Output is correct |
| 25 |
Correct |
134 ms |
5072 KB |
Output is correct |
| 26 |
Correct |
138 ms |
5456 KB |
Output is correct |
