Question

(C++) Write a nested loop that reads an integer n (n>0) from the keyboard and print out "n" lines as follows:

0

0 1

0 1 2

0 1 2 3

…

0 1 2 3 … n-1

Answer 1

The output is:

code for copy:

#include<iostream>
using namespace std;
int main()
{
   //declare an integer variable n
   int n;
   cout<<"Enter the value of n: ";
   //read the value of n
   cin>>n;
   //nested for loop to print the following pattern
   cout<<"The pattern is :"<<endl;
   for(int i=0;i<n;i++)
   {
       for(int j=0;j<=i;j++)
       {
           cout<<j<<" ";
       }
       cout<<endl;
   }
}

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