# Geeksforgeeks Solution For " Number Pattern "

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Problem :- For a given number N. Print the pattern in the following form: 1 121 12321 1234321 for N=4.

Solution :-

#include <iostream>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
int n,i,j,k=1,flag=0;
cin>>n;
while(k<=n)
{
for(i=1;i<=k;i++)
{
cout<<i;
if(i==n)
flag=0;
}
if(flag==0)
{
for(j=k-1;j>=1;j--)
cout<<j;
}
cout<<" ";
k++;
}
cout<<endl;
}

return 0;
}

Output:-

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#### post written by: Ghanendra Yadav

Hi, I’m Ghanendra Yadav, SEO Expert, Professional Blogger, Programmer, and UI Developer. Get a Solution of More Than 500+ Programming Problems, and Practice All Programs in C, C++, and Java Languages. Get a Competitive Website Solution also Ie. Hackerrank Solutions and Geeksforgeeks Solutions. If You Are Interested to Learn a C Programming Language and You Don't Have Experience in Any Programming, You Should Start with a C Programming Language, Read: List of Format Specifiers in C.