uva621 Secret Research

超级水题

#include<stdio.h>
#include<string.h>
int main()
{
    int T;
    char st[202];
    scanf("%d",&T);
    getchar();
    while(T--)
    {
        gets(st);
        if(!strcmp(st,"1") || !strcmp(st,"4") || !strcmp(st,"78"))
        {    printf("+\n");continue;        }
        if(st[strlen(st)-1] == '5' && st[strlen(st)-2] == '3')
        {    printf("-\n");continue;        }
        if(st[0] == '9' && st[strlen(st)-1] == '4')
        {    printf("*\n");continue;        }
        if(st[0] == '1' && st[1] == '9' && st[2] == '0')
        {    printf("?\n");continue;        }
    }
    return 0;
}