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What is 0 (zero) - A decimal literal or An octal literal in C++
The 0 (Zero) before a number is basically the octal literal.
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\n", a);
printf("Decimal of 63(Octal) is %d\n", b);
}Output
Decimal of 25(Octal) is 21 Decimal of 63(Octal) is 51
Updated on: 30-Jul-2019
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