QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #201401 | #5152. Circular Caramel Cookie | Rd_rainydays# | WA | 1ms | 3848kb | C++14 | 441b | 2023-10-05 14:07:53 | 2023-10-05 14:07:53 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<cmath>
#define ll long long
using namespace std;
ll s;
double l,r,mid,ans;
int main(){
scanf("%lld",&s);
l=0,r=10*sqrt(s);
for(int i=1;i<=200;i++){
mid=(l+r)/2.0;
int st=floor(mid);
ll sum=0;
for(int r=1;r<=st;r++)
sum=sum+floor(sqrt(mid*mid-(double)r*r));
sum*=4;
if(sum>=s)r=mid;
else l=mid;
}
printf("%.9f",l);
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3804kb
input:
11
output:
2.236067977
result:
ok found '2.2360680', expected '2.2360680', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3696kb
input:
59
output:
5.000000000
result:
ok found '5.0000000', expected '5.0000000', error '0.0000000'
Test #3:
score: 0
Accepted
time: 1ms
memory: 3848kb
input:
1
output:
1.414213562
result:
ok found '1.4142136', expected '1.4142136', error '0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
2
output:
1.414213562
result:
ok found '1.4142136', expected '1.4142136', error '0.0000000'
Test #5:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
3
output:
1.414213562
result:
ok found '1.4142136', expected '1.4142136', error '0.0000000'
Test #6:
score: -100
Wrong Answer
time: 0ms
memory: 3672kb
input:
4
output:
1.414213562
result:
wrong answer 1st numbers differ - expected: '2.2360680', found: '1.4142136', error = '0.3675445'