HDU1702 队列 与 栈 基础题

#include
#include
#include
#include
#include
using namespace std;
int main()
{
    int n,m,t;
    char type[10];
    scanf("%d",&n);
    while(n--)
    {
        scanf("%d%s",&m,type);
        if(strcmp(type,"FIFO") == 0)
        {
            queue<int>q;
            while(m--)
            {
                scanf("%s",type);
                if(strcmp(type,"IN") == 0)
                {
                    scanf("%d",&t);
                    q.push(t);  
                }
                else if(strcmp(type,"OUT") == 0)
                {
                    if(q.empty())
                    printf("None\n");
                    else
                    {
                        printf("%d\n",q.front());
                        q.pop();
                    }
                }

            }
        }
        else if(strcmp(type,"FILO") == 0)
        {   
            stack<int>s;
            while(m--)
            {
                scanf("%s",type);
                if(strcmp(type,"IN") == 0)
                {
                    scanf("%d",&t);
                    s.push(t);
                }
                else if(strcmp(type,"OUT") == 0)
                {
                    if(s.empty())
                    printf("None\n");
                    else 
                    {
                        printf("%d\n",s.top());
                        s.pop();    
                    }
                }

            }
        }
    }
    return 0;
}