代码如下，编译成功且能输出，但是前两个测试点WA

#include <cstdio>
using namespace std;

int main()
{
    int n;
    scanf("%d", &n);
    char a; 
    if (n >= 2)
        a = 's';
    printf("Today, I ate %d apple%c.", n, a);
    return 0;
}