44 lines
807 B
C++
44 lines
807 B
C++
#include<iostream>
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using namespace std;
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int main()
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{
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int a[100005],b[100005],t;
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scanf("%d",&t);
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while(t--)
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{
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int n,w=0;
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memset(a,0,sizeof(a));
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memset(b,0,sizeof(b));
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scanf("%d",&n);
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if(n<0)
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{
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n=-n;
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w=1;
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}
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int k=1;
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b[k]=1;
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int j=0;
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while(k&&n!=1)
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{
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k*=10;
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a[j++]=k/n;
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k%=n;
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if(b[k])
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break;
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b[k]=1;
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}
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if(w==1)
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printf("-");
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if(n==1)
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printf("1\n");
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else
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{
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printf("0.");
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for(int i=0;i<j;i++)
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printf("%d",a[i]);
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printf("\n");
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}
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}
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return 0;
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}
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