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  1. #include <stdio.h>
  2. #define PI 3.142
  3.  
  4. int main(void) {
  5.  
  6. 	float radius, area, circumference, volume;
  7. 	printf("Enter radius: ");
  8. 	scanf("%f", &radius);
  9.  
  10. 	printf("Choose option (1,2,3)\n");
  11. 	printf("1. Area of Circle\n");
  12. 	printf("2. Circumference of Circle\n");
  13. 	printf("3. Volume of Sphere\n");
  14.  
  15. 	int choice;
  16. 	scanf(" %d", &choice);
  17.  
  18. 	switch(choice) {
  19. 		case 1:
  20. 			area = PI * radius * radius;
  21. 			printf("Area is %f", area);
  22. 			break;
  23. 		case 2:
  24. 			circumference = 2.0 * PI * radius;
  25. 			printf("Circumference is %f ", circumference);
  26. 			break;
  27. 		case 3:
  28. 			volume = 4.0/3.0 * PI * radius * radius * radius;
  29. 			printf("Volume is %f ", volume);
  30. 			break;
  31. 		default:
  32. 			printf("Invalid choice");
  33. 	}
  34.  
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin 
45
stdout 
Enter radius: Choose option (1,2,3)
1. Area of Circle
2. Circumference of Circle
3. Volume of Sphere
Invalid choice
https://ideone.com/11tXuN
language:
C++14 (gcc 8.3)
created:
7 hours ago
visibility:
public

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