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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#102477 | #5253. Denormalization | zswzswzsw# | Compile Error | / | / | C++14 | 945b | 2023-05-03 13:45:30 | 2023-05-03 13:45:32 |
Judging History
你现在查看的是最新测评结果
- [2023-08-10 23:21:45]
- System Update: QOJ starts to keep a history of the judgings of all the submissions.
- [2023-05-03 13:45:32]
- 评测
- 测评结果:Compile Error
- 用时:0ms
- 内存:0kb
- [2023-05-03 13:45:30]
- 提交
answer
#include<iostream>
#include<cstring>
using namespace std;
const int N=1e4+10;
double eps=1e-3,ep=1e-5;
long double x[N];
int a[N];
int n;
int _gcd(int x,int y){
return y?_gcd(y,x%y):x;
}
bool test(long double d){
long double rel=0;
int gcd=0;
for(int i=1;i<=n;++i)
a[i]=x[i]*d+0.1,
gcd=(gcd==0?a[i]:_gcd(gcd,a[i]));
for(int i=1;i<=n;++i)
a[i]/=gcd,
rel+=a[i]*a[i];
rel=sqrt(rel);
for(int i=1;i<=n;++i)
if(abs(a[i]/rel-x[i])>ep)
return false;
for(int i=1;i<=n;++i)
cout<<a[i]<<endl;
return true;
}
long double res(long double x){
return abs(x-(long long)(x+0.1));
}
int main(){
cin>>n;
for(int i=1;i<=n;++i)
cin>>x[i];
for(int i=1;i<=10000;++i){
if(i<=10)
if(res(i*i/x[1]/x[1])<eps)
if(test(i/x[1])){
return 0;
}
}
}
Details
answer.code: In function ‘bool test(long double)’: answer.code:23:9: error: ‘sqrt’ was not declared in this scope 23 | rel=sqrt(rel); | ^~~~