Octal literals in C

In C/C++ we can use octal literals by typing a zero before the actual number. For example, if an octal number is 25, then we have to write 025.

Example Code

#include <stdio.h>
int main() {
   int a = 025;
   int b = 063;
   printf("Decimal of 25(Octal) is %d
", a);
   printf("Decimal of 63(Octal) is %d
", b);
}

Output

Decimal of 25(Octal) is 21
Decimal of 63(Octal) is 51

Jennifer Nicholas

Updated on: 30-Jul-2019

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