这该怎么做啊？有哪位同志能帮我看看

Question

#include
using namespace std;
int main(){
unsigned int v;
cin>>v;
printf("%x\n",v);
unsigned char*c=(unsigned char *)&v;
for(int i=0;i<4;i++)
printf("%x ", *(c+i));
}

Answer 1

最后多了个空格。判断if(i==3) printf("%x",*(c+i));％x后面不加空格