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Print Reverse Triangle Bridge Pattern for Characters in C++

In this C++ program, we’ll see how to print reverse triangle bridge pattern in C++ using nesting of loops?
Submitted by Abhishek Jain, on November 29, 2017

Reverse Triangle Bridge Pattern looks like as:

Print Reverse Triangle Bridge Pattern for Characters in C++

To print this pattern, we can use ASCII codes of the corresponding characters to print them. Our program accepts the input of largest alphabet value in the pattern (e.g., C=3, E=5). Above Pattern shows the constant width/spacing in both the reverse triangles. By using if, else if and else statement within the nesting of for loop gives the desired result.

Program

#include<iostream>
using namespace std;

int main()
{  
	int i,j,n;
	cout<<"Enter Largest Alphabet Value(e.g C=3):";
	cin>>n;
	for(i=0;i<n;i++)
	{
		for(j=65;j<64+(2*n);j++)
		{ 
			if(j>=(64+n)+i)
				cout<<(char)((64+n)-(j%(64+n)));
			else if(j<=(64+n)-i)
				cout<<(char)j;
			else
				cout<<" ";
		}
		cout<<endl;
	}

	return 0;
}

Output

C++ program to print reverse triangle bridge pattern for characters

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