#include
using namespace std;

int main()
{
char a[17]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
int i,j,t,g;
cout << "please enter a number:" ;
cin >> t;
for(i=0;i while(t>=16)
{
j=t/16;
i=t%16;
cout<< a[i];
t=j;
}
cout<<t;
return 0;
}

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for(i=0;i是什么鬼

你的程序根本没法编译

#include <iostream>

using namespace std;

int main()
{
char a[17]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
char result[10];
int i,j,t,g = 0;
cout << "please enter a number:" ;
cin >> t;
while(t>0)
{
    j=t/16;
    i=t%16;
    result[g++] = a[i];
    t=j;
}
for (int x = g - 1; x >= 0; x--)
    cout<<result[x];
return 0;
}