logo

Courses with this lesson

How to print in binary

#include <stdio.h> #include <stdlib.h> #include <string.h> int main(int argc, char* argv[]) { int a = 13; printf("Decimal: %d\n", a); printf("Hexadecimal: %08x\n", a); printf("Octal: %011o\n", a); printf("Binary: "); long long i, j; for (i = 0; i < sizeof(int); i++) { char byte = ((char*)&a)[i]; for (j = 0; j < 8; j++) { char bit = (byte >> j) & 1; printf("%hhd", bit); } printf(" "); } printf("\n"); return 0; }