NPTEL | Week 0: Assignment 3 Question 1 Introduction to Programming in C (14 Sep- 06 Nov) 2020.

        Introduction to Programming in C       

Assignment 3_Question 1:

Write a C function to find the kth occurrence of an odd integer in a sequence of non-negative integers, and then call your function from main. 

Your function should be according to the following declaration:

int find_odd(int k);

Input

You are given the input in two lines:

The first line contains a positive integer k. 

In the second line, you will be given a sequence of numbers. 

You have to find the kth occurrence of n in the sequence below. 

The second line consists of a sequence of non-negative integers,

terminated with a -1.  The -1 is not part of the sequence.

Output

If there are  k odd numbers in the sequence, then output the  kth

occurrence of odd in the sequence. Otherwise, output  -1.

Sample Input

2

1 1 3 2 3 4 1 -1

Sample Output

1

PROGRAM:

#include<stdio.h>

 int find_odd(int k);
   


int main()
{
  int k,r=0;
  scanf("%d",&k);
 
  
  r=find_odd(k);
  
  if(r==0)
    printf("-1");
  else
  printf("%d",r);
  

  return 0;
  
}

 int find_odd(int k)
  {
    int a[100],b[100],i=-1,n=0,l=0;
    do
  {
    i++;
    scanf("%d",&a[i]);
 
  }while(a[i]!=-1);
  
  for(int j=0;a[j]!=-1;j++)
  {
      b[j]=a[j];
      
    n++;
  }
    for(int i=0;i<n;i++)
    {
      if((b[i]%2)!=0)
      {
        l++;
        if(l==k)
          return b[i];
      }
    }
   return 0;
    
  }

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