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poj1035Spell checker（字符串模拟）

以前做过很类似的四种情况分开讨论

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  1 #include <iostream>
  2 #include<cstdio>
  3 #include<cstring>
  4 #include<algorithm>
  5 using namespace std;
  6 char str[10010][20],cs[10010][20];
  7 int kk[10010];
  8 int judge1(char *x,char *y)
  9 {
 10     int i,j,k=0;
 11     for(i = 0; i < strlen(x) ; i++)
 12     {
 13         if(x[i]!=y[i])
 14         k++;
 15     }
 16     if(k>1)
 17     return 0;
 18     return 1;
 19 }
 20 int judge2(char *x,char *y)
 21 {
 22     int i,j=0,k=0,flag;
 23     for(i = 0; i <strlen(x)&&j<strlen(y);i++)
 24     {
 25         if(x[i]!=y[j])
 26         {
 27             k++;
 28             i--;
 29         }
 30         j++;
 31     }
 32     if(k>1)

 33     return 0;
 34     return 1;
 35 }
 36 int main()
 37 {
 38     int i,j,k=0,g;
 39     char c[20];
 40     while(cin>>str[k])
 41     {
 42         if(strcmp(str[k],"#")==0)
 43         break;
 44         kk[k] = strlen(str[k]);
 45         k++;
 46     }
 47     int f = 0;
 48     while(cin>>c)
 49     {
 50         if(strcmp(c,"#")==0)
 51         break;
 52         int tk = strlen(c);
 53         g = 0;
 54         f=0;
 55         for(i = 0 ; i < k ; i++)
 56         {
 57             if(tk==kk[i])
 58             {
 59                 if(strcmp(c,str[i])==0)
 60                 {
 61                     f = 1;
 62                     break;
 63                 }
 64                 else
 65                 if(judge1(c,str[i]))
 66                 {
 67                     g++;
 68                     strcpy(cs[g],str[i]);
 69                 }
 70             }
 71             if(tk+1==kk[i])
 72             {
 73                 if(judge2(c,str[i]))
 74                 {
 75                     g++;
 76                     strcpy(cs[g],str[i]);
 77                 }
 78             }
 79             if(tk-1==kk[i])
 80             {
 81                 if(judge2(str[i],c))
 82                 {
 83                     g++;
 84                     strcpy(cs[g],str[i]);
 85                 }
 86             }
 87         }
 88         if(f)
 89         {
 90             printf("%s is correct\n",c);
 91         }
 92         else
 93         {
 94             printf("%s:",c);
 95             for(i = 1 ; i <= g ; i++)
 96             printf(" %s",cs[i]);
 97             puts("");
 98         }
 99     }
100     return 0;
101 }

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原文地址：https://www.cnblogs.com/shangyu/p/2818611.html