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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.  
  5. 	int a, b, n4;
  6. 	scanf("%d%d", &a, &b);
  7.  
  8. 	if (a % 4 != 0)
  9. 		a = a + 4 - (a % 4);
  10. 	if (b % 4 != 0)
  11. 		b = b - (b % 4);
  12. 	if (a > b)
  13. 		n4 = 0;
  14. 	else
  15. 		n4 = (b - a) / 4 + 1;
  16.  
  17. 	printf("a = %d, b = %d, n4 = %d\n", a, b, n4);
  18.  
  19. 	int c = a, d = b, n400;
  20. 	if (a % 400 != 0)
  21. 		c = a + 400 - (a % 400);
  22. 	if (d % 400 != 0)
  23. 		d = b - (b % 400);
  24. 	if (c > d)
  25. 		n400 = 0;
  26. 	else
  27. 		n400 = (d - c) / 400 + 1;
  28.  
  29. 	printf("c = %d, d = %d, n400 = %d\n", c, d, n400);
  30.  
  31. 	int e = a, f = b, n100;
  32. 	if (e % 100 != 0)
  33. 		e = a + 400 - (a % 100);
  34. 	if (f % 100 != 0)
  35. 		f = b - (b % 100);
  36. 	if (e > f)
  37. 		n100 = 0;
  38. 	else
  39. 		n100 = (f - e) / 100 + 1;
  40.  
  41. 	printf("e = %d, f = %d, n100 = %d\n", e, f, n100);
  42.  
  43. 	printf("%d", n4 - n100 + n400);
  44.  
  45. 	return 0;
  46. }
  47.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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1998 2406
stdout
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a = 2000, b = 2404, n4 = 102
c = 2000, d = 2400, n400 = 2
e = 2000, f = 2400, n100 = 5
99
https://ideone.com/1JmoYI
ZeroJudge d532. 文文的求婚 (三)
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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