Question

6. a) Write C++ code for a loop that simultaneously computes both the maximum and minimum of an array.

b) What is wrong with the following loop?

             int values[10];

             for (int i = 1; i <= 10; i++)

                  {

                     values[i] = i * i;

                  }

Explain two ways of fixing the error.

Answer 1

Answer 6a:

#include <iostream>

using namespace std;

int main()
{
int arr[]={10,2,5,6,3,9};
int minN=arr[0]; //assuming 0th element as min
int maxN=arr[0];//assuming 0th element as max
for(int i=0;i<6;i++){
//checking if current element is less than min than make current element as min
   if(arr[i]<minN)
       minN=arr[i];
   //checking if current element is greater than max than make current element as max
   if(arr[i]>minN)
       maxN=arr[i];  
}
cout<<"Min element: "<<minN<<endl;
cout<<"Max element: "<<maxN<<endl;

return 0;
}

Answer 6b:

issue indexes of array starts from 0 to length -1 so here we should iterate till 0 to 9

Correct Code:

for (int i = 0; i < 10; i++)

                  {

                     values[i] = i * i;

                  }

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