简单的数制转换程序
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
int main()
{
int num = 0;
char str[32] = { 0 };
printf("请输入十进制整数:");
scanf("%d", &num);
_itoa(num, str, 2);
printf("\nnum的二进制数为:%s", str);
_itoa(num, str, 8);
printf("\nnum的八进制数为:%s", str);
_itoa(num, str, 16);
printf("\nnum的十六进制数为:%s", str);
system("pause");
return 0;
}