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  1. #include <stdio.h>
  2. #include<math.h>
  3. int main(void){
  4.     // you code goes here
  5.     double a,b;
  6.     scanf("%lf",&a);
  7.     b = sqrt(a);
  8.     printf("%f的平方根是%f\n",a,b);
  9. 	return 0;
  10. }
  11.  
Success #stdin #stdout 0s 5312KB
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stdin
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9.0
stdout
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9.000000的平方根是3.000000
https://ideone.com/wYkVm5
language:
C (gcc 8.3)
created:
23 hours ago
visibility:
public

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