．读程序写出注释1：#include 2：int main( ) 3：{ 4：int product(int x,int y); 5：int val1,val2,val3; 6：printf(”Enter a number between 1 and 100:”);7:scanf(“%d”,&val1);8：printf(”Enter another number between 1 and 100:”);9:s

．读程序写出注释1：#include 2：int main( ) 3：{ 4：int product(int x,int y); 5：int val1,val2,val3; 6：printf(”Enter a number between 1 and 100:”);7:scanf(“%d”,&val1);8：printf(”Enter another number between 1 and 100:”);9:s
．读程序写出注释
1：#include
2：int main( )
3：{
4：int product(int x,int y);
5：int val1,val2,val3;
6：printf(”Enter a number between 1 and 100:”);
7:scanf(“%d”,&val1);
8：printf(”Enter another number between 1 and 100:”);
9:scanf(“%d”,&val2);
10:val3 = product(val1,val2);
11：printf("%d time %d=%d\n",val1,val2,val3);
12：return 0;
13：}
14：int product(int x,int y)
15：{
16：return(x*y);
17：}

．读程序写出注释1：#include 2：int main( ) 3：{ 4：int product(int x,int y); 5：int val1,val2,val3; 6：printf(”Enter a number between 1 and 100:”);7:scanf(“%d”,&val1);8：printf(”Enter another number between 1 and 100:”);9:s
1： #include
2： int main( )
3：{
4： int product(int x,int y); //调用函数product(x,y);
5： int val1,val2,val3; //定义三个变量.
6： printf(”Enter a number between 1 and 100:”); //输入1到100之间的一个数.
7: scanf(“%d”, &val1); //输入1到100之间的一个数.
8： printf(”Enter another number between 1 and 100:”);
9: scanf(“%d”, &val2); //输入1到100之间的另一个数.
10: val3 = product(val1,val2); //求两个数的乘积.
11： printf("%d time %d=%d\n", val1,val2,val3); //输出乘积
12： return 0;
13：}
14：int product(int x,int y)
15：{
16： return(x*y); //函数体.返回x,y的乘积.
17：}