Question

if int a=3; So, a++; a = ? If int a = 3; So, a ++; a =?​

Answer 1

Given :

a = 3

b = 2

Then :

b = a++

which means take a value to b and then increment the a value. so b value is same as a (before the increment), so with that statement, their value become:

b = 3 (same as a before increment)

a = 4 (the value change because we got increment)

Then evaluate the last statement:

++b => this means that we increment the value before we use the value. so in the end.

so,

cout << ++b; // will result: 4.

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