Thursday 31 August 2017

Number Pattern - 20

1
10
101
1010
10101


#include<stdio.h>


int main()
{
  int i,j,k;
  for(i=1;i<=5;i++)
  {
    for(j=1;j<=i;j++)
    {
      printf("%d",j%2);
    }
    printf("\n");
  }
  return 0;
}

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