C++入门经典第二章第一节自测题

1

int feet = 0,inches = 0;
int feet(0),inches(0);

2

int count = 0;
double distance = 1.5;

3

int n1,n2,sum;
sum = n1 + n2;

4

length = length + 8.3;

5

int n,product;
product = product * n;

7

int speed;
double salary;
int mark;