Write a C program to print all Combinations of characters A, B, C

#include(stdio.h)

#include(conio.h)

int main( )

{

char ch1, ch2, ch3;

clrscr( );

for(ch1='A' ; ch1<='C' ; ++ch1)

{

for(ch2='A' ; ch2<='C' ; ++ch2)

for(ch3='A' ; ch3<='C' ; ++ch3)

printf(" %c %c %c", ch1, ch2, ch3);

}

getch( );

return 0;

}

Output:-

AAA AAB AAC ABA ABB ABC ACA ACB ACC

BAA BAB BAC BBA BBB BBC BCA BCB BCC

CAA CAB CAC CBA CBB CBC CCA CCB CCC