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Number Triangle in C++

Program to implement Number Triangle in C++



  • #include <iostream>

  • using namespace std;

  • int main()

  • {

  • int i,j,k,l,n;

  • cout<<"Enter the Range=";

  • cin>>n;

  • for(i=1;i<=n;i++)

  • {

  • for(j=1;j<=n-i;j++)

  • {

  • cout<<" ";

  • }

  • for(k=1;k<=i;k++)

  • {

  • cout<<k;

  • }

  • for(l=i-1;l>=1;l--)

  • {

  • cout<<l;

  • }

  • cout<<"\n";

  • }

  • return 0;

  • }




Output –

Enter the Range=6

1

121

2321

1234321

123454321

12345654321






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