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  1. #include <stdio.h>
  2.  
  3. int is_uruu(int year)
  4. {
  5.     if(year % 400 == 0)
  6.         return 1;
  7.     else if(year % 100 == 0)
  8.         return 0;
  9.     else if(year % 4 == 0)
  10.         return 1;
  11.     else
  12.         return 0;
  13. }
  14.  
  15. int maxday_of_month(int y, int m)
  16. {
  17.     if(m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12)
  18.     {
  19.         return 31;
  20.     }
  21.     else if(m == 4 || m == 6 || m == 9 || m == 11)
  22.     {
  23.         return 30;
  24.     }
  25.     else if(m == 2)
  26.     {
  27.         if(is_uruu(y))
  28.             return 29;
  29.         else
  30.             return 28;
  31.     }
  32.     else
  33.     {
  34.         return 0;
  35.     }
  36. }
  37.  
  38. int main()
  39. {
  40.     int y, m;
  41.  
  42.     scanf("%d %d", &y, &m);
  43.  
  44.     printf("%d\n", maxday_of_month(y, m));
  45.  
  46.     return 0;
  47. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/0iHO4o
language:
C (gcc 8.3)
created:
11 hours ago
visibility:
public

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