Exer02_09.cpp

// Warning: This is for verification. It cannot be compiled successfully.
#include<iostream>
int main()
{
    // (a), it's illegal. 'Cause input_value isn't defined when the program tries to wite to it.
    std::cin >> int input_value;
    // (b), illegal, precision lost
    int i1 = { 3.14 };
    // (c), illegal, wage not defined
    double salary = wage = 9999.9;
    // (d), legal
    int i2 = 3.14;
    return 0;
}