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Write C++ statement(s) to do the following: Declare an array alpha of 50 compone

ID: 3569675 • Letter: W

Question

Write C++ statement(s) to do the following:

Declare an array alpha of 50 components of type int .

Initialize each component of-1.

Output the value of the first component of the array alpha .

Set the value of the twenty-fifth component of the array alpha to 62.

Set the value of the tenth component of alpha to three times the value of the fiftieth component of alpha plus 10 .

Use a for loop to output the value of a component of alpha if its index is a multiple of 2 or 3.

Output the value of the last component of alpha .

Output the value of the alpha so that 15 components per line are printed.

Use a for loop to increment every other element (the even indexed elements).

Use a for loop to create a new array, diffAlpha , whose elements are the differences between consecutive elements in alpha .

Explanation / Answer

1) int alpha[50];

2) for(int i=0;i<50;i++)
  alpha[i] = -1;

3) cout << alpha[0];

4) alpha[24] = 62;

5) alpha[9] = 3 * alpha[24] + 10;

6) for(int i=0;i<50;i++)
   {
  if(i%2 == 0)
  cout << alpha[i];
else if(i%3 == 0)
  cout << alpha[i];
else
;
   }

7) cout << alpha[49];

8) for(int i=0;i<50;i++)
   {
if(i%15 == 0)
  cout <<" ";
cout << alpha[i];
   }

9) for(int i=0;i<50;i = i+2)
  alpha[i] ++;

10) int diffAlpha[50];
    for(int i=1;i<50;i++)
diffAlpha[i] = alpha[i]-alpha[i-1];

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