试编程求十六进制数CBA除以ABC的商和余数,并以十六进制形式输出

#include using namespace std; int f(char *a) /*16进制数转化成10进制数*/ { int sum = 0; for(int i=0; a[i]; i++) { sum *= 16; if(a[i] ='0' ) sum += a[i]-'0'; else sum += a[i]-'A' + 10; } return sum; } voi