#include<stdio.h> main() { int u10; char u16[10]; int w=0,a,b,i; printf ( "请输入一个数字-->" ); scanf ( "%d" ,&u10); if (u10==0) { u16[0]= '0' ; w++; } else { a=u10; while (a) { b=a%16; if (b<10) { u16[w]= '0' +b; } else { u16[w]= 'A' +b-10; } a=a/16; w++; } } printf ( "\n" ); printf ( "%d(10)转换为16进制数字为：" ,u10); for (i=w-1;i>=0;i--) { printf ( "%c" ,u16[i]); } printf ( "\n" ); } 
