C ++ calculates the number of days of a month in a certain year [multi-branch] Code instance, number of days instance

C ++ calculates the number of days of a month in a certain year [multi-branch] Code instance, number of days instance
C ++ calculates the number of days of a month in a certain year [multi-branch] Code instance

/* Enter the year and month for Description. How many days is there in the month? Input year and month. Format: year-month Output number of days of the month. Sample Input2009 1 Sample Output31HINT pay attention to determining a leap year */# include

 
  
Using namespace std; int main () {int a, B; cin> a> B; if (B = 1 | B = 3 | B = 5 | B = 7 | B = 8 | B = 10) cout <31; if (B = 4 | B = 6 | B = 9 | B = 12) cout <30; if (B = 2) {if (a % 4 = 0 & a % 100! = 0 | a % 400 = 0 & B = 2) cout <29; elsecout <28;} return 0 ;}