void tranS(unsigned long long num)
{
char refer[17] = "0123456789ABCDEF";
char outcome[20];
int i = 0;
while (num!=0)
{
outcome[i++] = refer[num % 16];
num/=16;
}
for (i -= 1; i >= 0;i--)
{
cout << outcome[i];
}
}
当我传入大一点数如“20041022”,运行出的十六进制数对应十进制"20041023",就差那么一点?