Ans (2) Code: #include <iostream> using namespace std; int main() { for(int i=1;i<=4;i++) { int k,l; k=l=0; for(int j=1;j<=i;j++) { k++; cout<<k; l++; if(l==i) { while(k!=1) { k--; cout<<k; } } } cout<<endl; } return 0; }
Code: int main() { int n,co=1; int i=0; cout<<"Enter the no of rows"; cin>>n; for(int k=0;k<n;k++) { for(i=1;i<=co;i++) { cout<<i; } i-=1; while(--i) { cout<<i; } co++; cout<<"\n"; } return 0; } OUT PUT: if n=5 1 121 12321 1234321 123454321