Question

4. Using cin, Allocating Memory, and Writing Assignment Statements cin, Memory Allocation, and Assignment Statements show the variable name and value of each statement

Answer 1

Note : see explanation part for each variable name and value of variable at each statement

Ans 19) x = 6, y = 4

Explanation

double x =5.0; // x =5.0

int y = 4; // y = 4

x = x + y/4; // 5.0 + 1 = 6

Ans 20) x = 5, y = 6

Explanation

double x = 5 0; // x = 5.0

int y = 4; //

y = x + y/4; // 5.0 + 1 = 6

Ans 20)

1

1

2

Explanation

int count = 0 ; // count = 0

cout<<++count<<endl; // count = 0 + 1 prints 1 (pre increment)

count<<count++<<endl; // prints 1 count = 1+1 ( post increment)

cout<<count<< endl; print 2

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