程序代码：

#include<stdio.h>
int main()
{
    char no[8], len, i;
    unsigned int n;
    scanf("%u", &n);
    for(len = 0; n; n /= 26)
        no[len++] = --n % 26 + 'A';
    for(i = len - 1; i >= 0; printf("%c", no[i--]));
    return 0;
}

程序代码：

#include <cstdlib>
#include <iostream>
using namespace std;

void divide(int temp, int count);

int main(int argc, char *argv[]){
    int num,*item={0};
    char ch;
    cout<<"Please enter a number:";
    cin>>num;
    cout<<"After transfer: ";
    divide(num, 0); 
    cout<<endl;
    system("PAUSE");
    return EXIT_SUCCESS;
}

void divide(int temp, int count){
    int item;
    item = temp + 64;
    while( item > 90 ){
           count = count + 1;
           item = item - 26;
    }
    temp = count; 
    if ( temp >= 27)
        divide( temp, 0);  
    if( temp < 27 ){
        if( temp > 0 ){
            temp = temp + 64;   
            cout <<(char)temp;
        }
        temp = 0;
    }
    cout<< (char)item;
    if( temp == 0 ){
        return;   
    }    
}