In this tutorial, we will discuss the Alphabet Pyramid pattern in C using while loop
In this program, we are going to learn about how to display Alphabet pyramid pattern using while loop in C programming language
Here, we display an Alphabet pyramid pattern program with coding using nested while loop and also we get input from the user using scanf() function in C language
The user can provide numbers as they wish and get the Alphabet pyramid pattern according to their input.
Program 1
#include <stdio.h> #include <stdlib.h> int main() { int i,j,rows; printf("Enter the number of rows\n"); scanf("%d",&rows);//get input from user i=1; while(i<=rows){ j=1; while(j<=rows-i){ printf(" ");//print space j++; } j=1; while(j<=i){//print left side pattern printf("%c",(char)(j+64)); j++; } j=i-1; while(j>=1){//print right side pattern printf("%c",(char)(j+64)); j--; } i++; printf("\n");// move to next line } getch(); return 0; }
When the above code is executed, it produces the following results
Enter the number of rows 6 A ABA ABCBA ABCDCBA ABCDEDCBA ABCDEFEDCBA
Program 2
#include <stdio.h> #include <stdlib.h> int main() { int i,j,rows; printf("Enter the number of rows\n"); scanf("%d",&rows); i=1; while(i<=rows){ j=1; while(j<=rows-i){ printf(" ");//print space j++; } j=i; while(j>0){ printf("%c",(char)(j+64));//print left side pattern j--; } j=2; while(j<=i){ printf("%c",(char)(j+64));//print right side pattern j++; } i++; printf("\n"); } getch(); return 0; }
When the above code is executed, it produces the following results
Enter the number of rows 6 A BAB CBABC DCBABCD EDCBABCDE FEDCBABCDEF
Program 3
#include <stdio.h> #include <stdlib.h> int main() { int i,j,rows; printf("Enter the number of rows\n"); scanf("%d",&rows); i=1; while(i<=rows){ j=1; while(j<=rows-i){ printf(" "); j++; } j=1; while(j<=i){ printf("%c",(char)(j+64)); printf(" "); j++; } i++; printf("\n"); } return 0; }
When the above code is executed, it produces the following results
Enter te number of rows 6 A A B A B C A B C D A B C D E A B C D E F
Program 4
#include <stdio.h> #include <stdlib.h> int main() { int i,j,rows; printf("Enter the number of rows\n"); scanf("%d",&rows); i=1; while(i<=rows) { j=1; while(j<=rows-i){ printf(" "); j++; } j=1; while(j<=i){ printf("%c",(char)(i+64)); printf(" "); j++; } i++; printf("\n"); } getch(); return 0; }
When the above code is executed, it produces the following results
Enter the number of rows 6 A B B C C C D D D D E E E E E F F F F F F
Program 5
#include <stdio.h> #include <stdlib.h> int main() { int i,j,rows; printf("Enter the number of rows\n"); scanf("%d",&rows); i=rows; while(i>=1){ j=1; while(j<=rows-i){ printf(" "); j++; } j=1; while(j<=2*i-1){ if(j<=i){ printf("%c",(char)(j+64)); printf(" "); } else{ printf("%c",(char)(2*i-j+64)); printf(" "); } j++; } i--; printf("\n"); } getch(); return 0; }
When the above code is executed, it produces the following results
Enter the number of rows 5 A B C D E D C B A A B C D C B A A B C B A A B A A
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