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  1. #include <stdio.h>
  2. #include <math.h>
  3. int main(void) {
  4. 	// your code goes here
  5. 	float 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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4.0
stdout
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0.000000的平方根是0.000000
https://ideone.com/TQ1HdF
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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