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Avdluna

URI 1002

May 17th, 2015
256
0
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C 0.18 KB | None | 0 0
  1. #include <stdio.h>
  2.  
  3. int main() {
  4.  
  5.      
  6.      double raio,area;
  7.     scanf("%lf", &raio);
  8.     area=3.14159*raio*raio;
  9.      printf("A=%.4lf\n",area);
  10.  
  11.     return 0;
  12. }
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