#include int main(void) { int month, numberOfDays, leapYear; printf("Enter a month - a number between 1 and 12: "); scanf("%d", &month); printf("Is it a leap year (1) or not (0): "); scanf("%d", &leapYear); switch(month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: numberOfDays = 31; break; case 4: case 6: case 9: case 11: numberOfDays = 30; break; case 2: if (leapYear) numberOfDays = 29; else numberOfDays = 28; break; default: exit(-1); break; } printf("There are %d days in month %d\n", numberOfDays, month); return 0; }