C Program to Print pyramid of numbers
Write a C Program to Print pyramid of numbers. Here’s simple Program to Print pyramid of numbers using Recursion in C Programming Language.
Recursion : :
- Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the function.
- The C programming language supports recursion, i.e., a function to call itself. But while using recursion, programmers need to be careful to define an exit condition from the function, otherwise it will go into an infinite loop.
- Recursive functions are very useful to solve many mathematical problems, such as calculating the factorial of a number, generating Fibonacci series, etc.
Below is the source code for C Program to Print pyramid of numbers using Recursion which is successfully compiled and run on Windows System to produce desired output as shown below :
SOURCE CODE : :
/* C Program to Print pyramid of numbers */ #include<stdio.h> void func1(int n); void func2(int n); void func3(int n); int main( ) { int n; printf("Enter how many lines u want to print ? "); scanf("%d",&n); printf("\n------------ Pattern 1 ----------- \n\n"); func1(n); printf("\n"); printf("\n------------ Pattern 2 ----------- \n\n"); func2(n); printf("\n"); printf("\n------------ Pattern 3 ----------- \n\n"); func3(n); return 0; } void func1(int n) { int i; if(n==0) return; else { func1(n-1); for(i=1; i<= n; i++) printf("%d ",i); printf("\n"); } } void func2(int n) { int i; if(n==0) return; else { for(i=1; i<=n; i++) printf("%d ",i); printf("\n"); func2(n-1); } } void func3(int n) { int i; if(n==0) return; else { for(i=n; i>=1; i--) printf("%d ",i); printf("\n"); func3(n-1); } }
OUTPUT : :
Enter how many lines u want to print ? 10 ------------ Pattern 1 ----------- 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 1 2 3 4 5 6 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 ------------ Pattern 2 ----------- 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 1 2 3 1 2 1 ------------ Pattern 3 ----------- 10 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 7 6 5 4 3 2 1 6 5 4 3 2 1 5 4 3 2 1 4 3 2 1 3 2 1 2 1 1
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