Alphabet Pattern (or) Character Pattern16 Program in C

Write "C"  Program to print below Alphabet Pattern16 (or) Character Pattern16:

To understand this example, you should have knowledge of the following topics:
·     C if Else Statement
·     C For loop
·     C programming operators
C Character pattern16 program using For loop:
#include<stdio.h>
void main() { int i,j,k,n; printf("Enter the number of lines\n"); scanf("%d",&k); for(i = k;i >= 1;i--) {
        n = i;
         for(j = 1;j <= i;j++,n++)
        {
           printf("%c",(char)(n+64));
        }
        printf("\n");
    }
}


Output:
Enter the number of lines 5
EFGHI
DEFG
CDE
BC
A
Explanation:
  • First four integers "i", "j", "k","n"  are declared of type int.
  • Then in the First for loop “i” value is initialized with a value of "k" (where "k" value is given through Keyboard). 
  • Now “i” value is checked with the condition "i >= 1". If the condition is True loops enter into second for loop and "n" value is initialized to "i".
  • Now the loop enters into second for loop and checks the condition "j <= i". Where "j = 1". and the condition is True.
  • Now prints the " Alphabet". Print up to second for loop condition becomes False.
  • When the value of "i"  becomes less than "1" value the program terminates.


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