In this blog post, we learn how to write a C program to find century for a year?. We will write the C program to find a century for the given years. Write a C program to input the number of years from the user and find the century. How to find century for given years in C programming. Logic to find century for a given year.

Input: 1970
Output : 20 century 


Input: 1800
Output : 18 century

C program to find century for a year:

The below program ask the user to enter the number of years. After getting the years from the user program find the century for the corresponding years.

#include <stdio.h>

void find_century(int years)
{
    // No negative value is allow for years
    if (years <= 0)
    {
        printf("0 and negative is not allow for a years\n");
    }
    // If years is between 1 to 100 it
    // will come in 1st century
    else if (years <= 100)
    {
        printf("1st century\n");
    }

    else if (years % 100 == 0)
    {
        printf("%d%s",years/ 100, " century");
    }
    else
    {
        printf("%d%s",years/ 100 +1, " century");
    }
}

int main()
{
    int years;

    //Ask user to input number of years
    printf("Enter Years: ");
    scanf("%d", &years);

    find_century(years);

    return 0;
}

Output:

Enter Years: 2020
21 century