poj 2803 Defining Moment 模拟

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

int start,end;
char s[105];

void p()
{
    int i=0;
    for (i=start;i<=end;i++)printf("%c",s[i]);
}

int main()
{
    int n,i,j,k,l,pre_ans,suf_ans;
    int pre_ar[5]={4,4,3,2,2},suf_ar[5]={2,3,3,1,4};
    char prefix[5][5]={"anti","post","pre","re","un"};
    char suffix[5][5]={"re","gni","ezi","s","noit"};
    scanf("%d",&n);
    for (i=0;i<n;i++)
    {
        scanf("%s",s);
        pre_ans=suf_ans=-1;
        start=0,end=strlen(s)-1;
        for (j=0;j<5;j++)
        {
            k=0;
            while (prefix[j][k]==s[k])k++;
            if(pre_ar[j]==k)
            {
                pre_ans=j;
                start=k;
            }
            k=strlen(s)-1;
            l=0;
            while (suffix[j][l]==s[k])
            { 
                k--,l++;
            }
            if(l==suf_ar[j])
            {
                suf_ans=j;
                end=k;
            }
        }
        if(pre_ans==0)printf("against ");
        if(pre_ans==1)printf("after ");
        if(pre_ans==2)printf("before ");
        if(pre_ans==4)printf("not ");
        if(suf_ans==-1)p();
        if(suf_ans==0)
        {
            printf("one who ");
            p();
            printf("s");
        }
        if(suf_ans==1)
        {
            printf("to actively ");
            p();
        }
        if (suf_ans==2)
        {
            printf("change into ");
            p();
        }
        if(suf_ans==3)
        {
            printf("multiple instances of ");
            p();
        }
        if(suf_ans==4)
        {
            printf("the process of ");
            p();
            printf("ing");
        }
        if(pre_ans==3)
            printf(" again");
        printf("\n");
    }
    return 0;
}