[code小心得]Decimal to binary

#include int deTobi(int a) { int i = 0, stack[10], r, s; do{ r = a/2; s = a%2; stack[i] = s; if(r != 0) { i++; a = r; } } while(r); for(;i>=0; i--) printf("%d",stack[i]); printf("\n"); } int main(void) { int a; printf("Please input a Decimal digit\n"); scanf("%d", &a); deTobi(a); return 0; }