2298054_ac_0ms_16k.c

北大大牛代码 1240道题的原代码 超级权威

#include <stdio.h>
#include <ctype.h>
#include <string.h>

int main()
{
    int i;
    char str[81];

    while(1)
    {
        gets(str);
        if(strcmp(str,"#")==0)
            break;
        for(i = 0; str[i]!='\0'; i++)
        {
            if(str[i]==' ')
                continue;
            if(i)
            {
                if(str[i]>='A'&&str[i]<='Z'&&str[i-1]>='A'&&str[i-1]<='Z')
                {
                    printf("suspicious\n");
                    goto con;
                }
                if(isdigit(str[i])&&isalpha(str[i-1]))
                {
                    printf("suspicious\n");
                    goto con;
                }
                if(isdigit(str[i-1])&&isalpha(str[i]))
                {
                    printf("suspicious\n");
                    goto con;
                }
                if(!isdigit(str[i])&&str[i]!=' '&&!isalpha(str[i]))
                {
                    if(!isdigit(str[i-1])&&str[i-1]!=' '&&!isalpha(str[i-1]))
                    {
                        if(!(str[i]=='"'||str[i-1]=='"'))
                        {
                            printf("suspicious\n");
                            goto con;
                        }
                    }
                }
            }
            if(str[i]!='a'&&str[i]!='A'&&str[i]!='I')
            {
                if((str[i+1]=='\0'||str[i+1]==' ')&&(!i||str[i-1]==' '))
                {
                    printf("suspicious\n");
                    goto con;
                }
            }
        }
        printf("OK\n");
        con:;
    }
    return 1;
}