Answer Posted / vivek

#include<iostream>
using namespace std;
int main()
{
int i,j,n,k;
cout<<"provide the no. of row";
cin>>n;
for(i=1; i<=n; i++)
{
k=n-i;
while(k>0)
{
cout<<" ";
k--;
}
for(j=1; j<i; j++)
cout<<" "<<j<< " ";
cout<<"\n";
}
return(0);
}

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