Tin học Bài tập C++

Bài 2 :#include<iostream.h>

#include<conio.h>

void main()

{ char doc[9][5]={"mot","hai","ba","bon","nam","sau","bay","tam","chin"};

int van,ngan,tram,chuc,donvi,chv,dv;

long so;

clrscr();

cout<<"Nhap so nguyen duong <1000000 can doc = ";cin>>so;

cout<<"Cach doc so "<<so<<" la:\n";

van=so/10000; ngan=so/1000%10; tram=so/100%10; chuc=so/10%10; donvi=so%10;

if(van)

{chv=van/10; dv=van%10;

if(chv==1)cout<<"muoi ";

else if(chv>1)cout<<doc[chv-1]<<" muoi ";

if(dv)cout<<doc[dv-1];

cout<<" van ";

}

if((ngan==0)&&van)cout<<" khong ngan ";

else if(ngan)cout<<doc[ngan-1]<<" ngan ";

if((tram==0)&&(van||ngan))cout<<" khong tram ";

else if(tram)cout<<doc[tram-1]<<" tram ";

if((chuc==0)&&donvi&&(van||ngan||tram))cout<<"le ";

else if(chuc==1)cout<<" muoi ";

else cout<<doc[chuc-1]<<" muoi ";

if(donvi)cout<<doc[donvi-1];

getch();