mirror of https://github.com/TheAlgorithms/C
37 lines
692 B
C
37 lines
692 B
C
#include <math.h>
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#include <stdio.h>
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// Converts octal number to decimal
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int convertValue(int num, int i) { return num * pow(8, i); }
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long long toDecimal(int octal_value)
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{
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int decimal_value = 0, i = 0;
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while (octal_value)
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{
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// Extracts right-most digit and then multiplies by 8^i
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decimal_value += convertValue(octal_value % 10, i++);
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// Shift right in base 10
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octal_value /= 10;
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}
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return decimal_value;
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}
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int main()
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{
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printf("Enter octal value: ");
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int octal_value;
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scanf("%d", &octal_value);
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long long result = toDecimal(octal_value);
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printf("%d in decimal is %lld\n", octal_value, result);
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return 0;
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}
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