C Program to Print Number of Days in a Month using If Else Ladder Statement

• Write a C program to print number of days in a month using if else ladder statement.

Required Knowledge

• C printf and scanf functions
• If Else Ladder in C

In this program, we will take a number between 1 to 12 as input from user, where 1 corresponds to January, 2 corresponds to February and so on. We will use if else ladder statement to print number of days in any month in words.

C program to print number of days in months

/*
 * C program to print Number of Days in any Month 
 */ 
   
#include <stdio.h> 
   
int main() {  
    int month;  
    /* 
     * Take the Month number as input form user  
     */ 
    printf("Enter Month Number (1 = January ..... 12 = December)\n");  
    scanf("%d", &month);  
 
    /* Input Validation */
    if(month < 1 || month > 12){
     printf("Invalid Input !!!!\n");
     return 0;
    }
  
    if(month == 2) {  
        printf("28 or 29 Days in Month\n");  
    } else if(month == 4 || month == 6 || month == 9 || month == 11) {  
        printf("30 Days in Month\n");  
    } else if (month == 1 || month == 3 || month == 5 || month == 7 
     || month == 8 || month == 10 || month == 12) {  
        printf("31 Days in Month\n");  
    }
   
    return 0;  
}

Output

Enter Month Number (1 = January ..... 12 = December)
2
28 or 29 Days in Month

Enter Month Number (1 = January ..... 12 = December)
12
31 Days in Month

Enter Month Number (1 = January ..... 12 = December)
9
30 Days in Month

Enter Month Number (1 = January ..... 12 = December)
15
Invalid Input !!!!