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  • HZOJ 匹配

    Hash/KMP裸题,并不想写什么,只是复习一下KMP吧。

     1 void get_n()
     2 {
     3     next[1]=0;
     4     int j=0;
     5     for(int i=2;i<=lt;i++)
     6     {
     7         while(j>0 && t[i]!=t[j+1])j=next[j];
     8         if(t[i]==t[j+1])j++;
     9         next[i]=j;
    10     }
    11 }
     1 for(int i=1,j=0;i<=ls;i++)
     2     {
     3         while(j>0 && (j==lt || s[i]!=t[j+1]))j=next[j];
     4         if(s[i]==t[j+1])j++;
     5         
     6         stack[++top]=i;
     7         loc[top]=j;
     8         if(j==lt)
     9         {
    10             top-=lt;
    11             j=loc[top];
    12         }
    13     }
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  • 原文地址:https://www.cnblogs.com/Al-Ca/p/11247989.html
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