To Print Alphabet Triangle

Write a C Program to print Alphabet Triangle

Program:
 
  #include<stdio.h>   
    #include<stdlib.h> 
    int main(){ 
      int ch=65;   
        int i,j,k,m;   
      system("cls"); 
        for(i=1;i<=5;i++)   
        {   
            for(j=5;j>=i;j--)   
                printf(" ");   
            for(k=1;k<=i;k++)   
                printf("%c",ch++);   
                ch--;   
            for(m=1;m<i;m++)   
                printf("%c",--ch);   
            printf("\n");   
            ch=65;   
        }   
    return 0; 
    } 

Output:

    A
    ABA
   ABCBA
  ABCDCBA
 ABCDEDCBA

--------------------------------
Process exited after 0.7288 seconds with return value 0
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