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C > If Else and Switch Case Code Examples

program to enter week number and print day of week

program to enter week number and print day of week

Write a C program to input week number(1-7) and print the corresponding day of week name using if else. How to print day of week using if else in C programming. 

    Input week day number from user. Store it in some variable say week.
    Print Monday if(week == 1). I have assumed Monday as first day of week.
    Similarly, check condition for all 7 days and print the corresponding day name.

#include <stdio.h>

int main()
{
    int week;

    /* Input week number from user */
    printf("Enter week number (1-7): ");
    scanf("%d", &week);

    if(week == 1)
    {
        printf("Monday");
    }
    else if(week == 2)
    {
        printf("Tuesday");
    }
    else if(week == 3)
    {
        printf("Wednesday");
    }
    else if(week == 4)
    {
        printf("Thursday");
    }
    else if(week == 5)
    {
        printf("Friday");
    }
    else if(week == 6)
    {
        printf("Saturday");
    }
    else if(week == 7)
    {
        printf("Sunday");
    }
    else
    {
        printf("Invalid Input! Please enter week number between 1-7.");
    }

    return 0;
}

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