Page 74 - C++

(a) Write a user-defined function AddEnd4(int A[][4],int R,int C) in C++ to (2)
Ans. find and display the sum of all the values, which are ending with 4 (i.e.,
unit place is 4).
For example if the content of array is:
24 16 14
19 5 4
The output should be 42

OR

Write a user defined function in C++ to find the sum of both left and right
diagonal elements from a two dimensional array.

void AddEnd4(int A[ ][4], int R, int C)
{
int I,J,sum=0;
for(I=0;I<R;I++)
{
for(J=0;J<C;J++)
if(A[I][J]%10 ==4)
sum=sum+A[I][J];
}
cout<<sum;
}

OR
void Diagsumboth(int A[][4], int n)
{
int sumLt=0,sumRt=0;
for(int i=0;i<n;i++)
{
sumLt+=A[i][i];
else
sumRt+=A[n-1-i][i];
}
cout<<”sum of left diagonal”<<sumlt<<endl;
cout<<”sum of right diagonal”<<sumRt<<endl;
}

(½ Mark for correct loops)
(½ Mark for correct checking values ending with 4)
( ½ Mark for finding sum of values)
( ½ Mark for displaying the sum )

OR
(1/2 Mark for correct loop)
(1/2 Mark each for calculating sum of left or right diagonals)
(1/2 Mark for displaying)

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