C Program To Convert Octal number To Decimal number

 OCTAL TO DECIMAL NUMBER CONVERTER PROGRAM

Code :

#include<stdio.h>

int obase( int i){

     int sum=1;

    if(i==0)

    {

        return 1;

    }

    for(int j=0; j<i; j++)

    {

        sum *= 8;    

    }

    return sum;

}

int main()

{

    int base=0, octn, temp = 0, i = 0, dec = 0;

           

           printf("==========================================\n");

   printf("\tOCTAL TO DECIMAL CONVERSION\n");

    printf("==========================================\n");

    printf("Enter Octal number: ");

    scanf("%d", &octn);

   

    //Logic of conversion

    while(octn!=0)

    {

        temp = octn%10;

        octn = octn/10;

        base = obase(i);       //Obtain base

        dec += temp*base;

        i++;

    }

   

    printf("\nEquivalent decimal number = %d\n", dec);

    printf("------------------------------------------\n");

    return 0;

}

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