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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main() {
  5. 	double x, y, r=1;
  6. 	scanf ("%lf %lf", &x, &y);
  7. 	printf ("x: %0.2lf\n", x);
  8. 	printf ("y: %0.2lf\n", y);
  9. 	printf ("r: %lf\n", r);
  10. 	if((x*x)+(y*y)<=r)
  11. 	       printf ("Принадлежит окружности \n");
  12. 	else
  13. 	       printf ("Не принадлежит окружности \n");
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 2296KB
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stdin
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0.5
0.3
stdout
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x: 0.50
y: 0.30
r: 1.000000
Принадлежит окружности
https://ideone.com/KLkH8M
А59а r=1 f g
language:
C (gcc 8.3)
created:
9 years ago
visibility:
secret

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