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Difficult C programs

Discussion in 'C++' started by aijaz, Apr 14, 2008.

  1. sayedbd2015

    sayedbd2015 New Member

    Joined:
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    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;
    }
     
  2. Pradeep Thite

    Pradeep Thite New Member

    Joined:
    Sep 3, 2016
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    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
     

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