// School of Computer Engineering // K.N. Toosi University of Technology #include <stdio.h> void print_integer(int); int main() { print_integer(12340); putchar('\n'); print_integer(-842101); putchar('\n'); } void print_integer(int n) { if (n < 0) { putchar('-'); print_integer(-n); } else if (n < 10) { putchar('0'+n); return; } else { print_integer(n / 10); putchar('0' + n % 10); } }