C language: implement a function to determine whether year is a leap year.

Source: Internet
Author: User

C language: implement a function to determine whether year is a leap year.

# Include <stdio. h>/* determine whether a leap is a leap year: Four years, one year without renewal, and one year without renewal. A single four hundred-year renewal is also a condition for a leap year */int leap (year) {int ret = 0; if (year % 4 = 0) & (year % 100! = 0) | (year % 400 = 0) {return 1 ;}else {return 0 ;}} int main () {int year = 0; int ret = 0; printf ("please input the year: \ n"); scanf ("% d", & year); ret = leap (year ); /* return the called function value to ret */if (ret = 1) {printf ("% d is leap year! ", Year);} else {printf (" % d is not leap year! ", Year) ;}return 0 ;}

 

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