#include<bits/stdc++.h>
using namespace std;
int n,i,k1,k2;
double q1,q2,ans,answer;
double a[1000001],b[1000001];
int main(){
cin>>n;
for(i=1;i<=n;i++){
cin>>a[i]>>b[i];
}
sort(a+1,a+n+1);
sort(b+1,b+n+1);
k1=n;
k2=n;
while(true){
ans=min(q1,q2);
answer=max(ans,answer);
if(q1 < answer && q2 < answer)break;
if(q1 >= q2){
q2+=b[k2]-1;
k2--;
q1-=1;
continue;
}
else{
q1+=a[k1]-1;
k1--;
q2-=1;
}
}
printf("%.4lf",(double)answer);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
248 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
3 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
252 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
248 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
3 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
252 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
8 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
296 KB |
Output is correct |
10 |
Correct |
3 ms |
380 KB |
Output is correct |
11 |
Runtime error |
9 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
248 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
3 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
252 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
8 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
296 KB |
Output is correct |
10 |
Correct |
3 ms |
380 KB |
Output is correct |
11 |
Runtime error |
9 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
12 |
Halted |
0 ms |
0 KB |
- |