#include<iostream.h>
int main()
{
int k = 0;
int i = 2;
//try out all the cases given below one by one,,comment out the irrelevant cases
//k = ++i + i++ * ++i; // case1
//k = i++ * ++i + i++; // case2
//k = i++ * ++i + ++i; // case3
//k = i++ + ++i * i++; // case4
k = ++i + i++ * i++; // case5
cout << k << endl;
cout << i << endl;
return 0;
}

Case1 gives me 'k'= 20 How is this computed ?
Case2 to case 5 gives k = 12 how is this computed ???

I use VC++ compiler

With Thanks :)

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