能不能解释一下代码的意思?
#include <stdio.h>
int Add(int a, int b)
{
if(
return flag;
}
void Print(int flag, int chance)
{
if (flag)
printf("Right!\n");
else if(chance < 3)
printf("Not correct. Try again!\n");
else
printf("Not correct. You have tried three times!\nTest over!\n");
}
int main()
{
int a, b, answer, chance;
printf("Input a, b:\n");
scanf("%d,%d", &a, &b);
chance = 0;
do
{
answer = Add(a, b);
chance++;
Print(answer, chance);
} while ((answer == 0) && (chance < 3));
return 0;
}
Add函数里面应该怎么写?