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  1. #define _CRT_SECURE_NO_WARNINGS
  2. #include <stdio.h>
  3.  
  4. void find_num(int M, int N)
  5. {
  6. 	int sum = 0;
  7. 	int min = 10000;
  8.  
  9. 	while (M < N)
  10. 	{
  11. 		int i = 2;
  12. 		int check = 1;
  13.  
  14. 		while (i < M)
  15. 		{
  16. 			if (M % i == 0)  // 소수가 아니라면 check = 0
  17. 			{
  18. 				check = 0;
  19. 				break;
  20. 			}
  21. 			i++;
  22. 		}
  23. 		if (check == 1)
  24. 		{
  25. 			sum += M;
  26. 			if (M < min)
  27. 				min = M;
  28. 		}
  29. 		M++;
  30. 	}
  31. 	if (min == 10000)
  32. 		printf("-1");
  33. 	else
  34. 		printf("%d\n%d", sum, min);
  35. }
  36.  
  37. int main()
  38. {
  39. 	int M, N;
  40.  
  41. 	scanf("%d %d", &M, &N);
  42.  
  43. 	if (M > N)
  44. 		return 0;
  45. 	find_num(M, N);
  46.  
  47. 	return 0;
  48. }
Success #stdin #stdout 0s 4904KB
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https://ideone.com/kR9Lm3
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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