Question

QUESTION 4                                                                                                                                                      16 marks
4.1        Declare two integer constants ROWSIZE equal to 4 and COLSIZEequal to 4.                               (4)
4.2        Declare two inttwo‐dimensional arrays, namely  
    play1with ROWSIZEnumber of rows and COLSIZEnumber of columns, and
                                                                             
play2with ROWSIZEnumber of rows and COLSIZEnumber of columns

4.3 Assume that values have been assigned to all the elements of play1and play2. Also assume that
an int variable trickyhas been declared and intialised to 0. Use nested forloops and write
down the necessary C++ statements to do the following:

For example, if play1 and  play2 are initialised as follows:
1 5 3 7 4 6 3 7
6 8 5 8 and        5 0 7 8
3 3 3 5 8 7 6 5
7 8 1 5 7 3 4 5
respectively, then the value of tricky will be:
5+11+3+7+11+8+12+8+11+10+9+5+7+11+5+5=128

Display the value of tricky. Do NOT write a complete program or any functions. Write down ONLY the
required statements.

Answer 1

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The required statements are

for(int i=0;i<ROWSIZE;i++)
   {
       for(int j=0;j<COLSIZE;j++)
       {
           if(play1[i][j]==play2[i][j])
               tricky+=play1[i][j];/
           else
               tricky+=play1[i][j]+play2[i][j];
       }
   }
   cout<<"Tricky ="<<tricky<<endl;

Complete Program

#include<iostream>
using namespace std;
//Declare two integer constants ROWSIZE equal to 4 and COLSIZE equal to 4.
#define ROWSIZE 4
#define COLSIZE 4
int main()
{
   //Declare and initialize two two‐dimensional arrays,play1 and play2

   int play1[ROWSIZE][COLSIZE]={{1,5,3,7},{6,8,5,8},{3,3,3,5},{7,8,1,5}};
   int play2[ROWSIZE][COLSIZE]={{4,6,3,7},{5,0,7,8},{8,7,6,5},{7,3,4,5}};

   //Declare and initialize variable tricky to 0
   int tricky=0;

   //Each row of play1 is compared element by element to the corresponding row of play2
   //If the elements are equal, add the value of one element to tricky
   //If the elements are not equal, add the sum of the two elements to the value of trıcky
   for(int i=0;i<ROWSIZE;i++)
   {
       for(int j=0;j<COLSIZE;j++)
       {
           if(play1[i][j]==play2[i][j])
               tricky+=play1[i][j];//If the elements are equal, add the value of one element to tricky
           else
               tricky+=play1[i][j]+play2[i][j];//If the elements are not equal, add the sum of the two elements to the value of trıcky
       }
   }
   cout<<"Tricky ="<<tricky<<endl;
}

Program Screenshot

#include<iostream> using namespace std; 1/Declare two integer constants ROWSIZE equal to 4 and COLSIZE equal to 4. #define ROWSIZE 4 #define COLSIZE 4 int main() { //Declare and initialize two two-dimensional arrays,play1 and play2 int play1[ROWSIZE][COLSIZE]={{1,5,3,7},{6,8,5,8},{3,3,3,5},{7,8,1,5}}; int play2[ROWSIZE][COLSIZE]={{4,6,3,7},{5,0,7,8},{8,7,6,5},{7,3,4,5}}; //Declare and initialize variable tricky to o int tricky=0; //Each row of play1 is compared element by element to the corresponding row of play2 //If the elements are equal, add the value of one element to tricky //If the elements are not equal, add the sum of the two elements to the value of tricky for(int i=0;i<ROWSIZE; i++) { for(int j=0; j<COLSIZE; j++) if(play1[i][j]==play2[i][j]) tricky+=playi[i][j]://If the elements are equal, add the value of one element to tricky else tricky+=play1[i][j]+play2[i][j]://If the elements are not equal, add the sum of the two elements to the value of tricky نہا بہا cout<<"Tricky ="<stricky<<endl; بیا

Output

Tricky =128