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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int maximum, count, sum;
  5. 	count = 0;
  6. 	sum = 0;
  7.  
  8. 	printf("Enter maximum number: \n");
  9. 	scanf("%d", &maximum);
  10.  
  11. 	while(count <= maximum) {
  12. 		if (count % 3 == 0) {
  13. 			sum = sum + count;
  14. 		}
  15. 	count = count + 1;
  16.  
  17. 	}
  18.  
  19. 	printf("The sum of all multiples of three is %d.", sum);
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 10320KB
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stdin
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30
stdout
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Enter maximum number: 
The sum of all multiples of three is 165.
https://ideone.com/ZWzVRA
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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