Category: Hash Table

#include <iostream> #include <string> #include <string.h> #include <stdio.h> #include <sstream> #define SZ 10000017 using namespace std; char b[30]; char str[3000000][25];//3000000 int parent[10000017]; int strmap[3000000]; int gethash(char s[]) { int seed=31; int v=0; for(int i=0;i<strlen(s);i++) { v= v*seed+(s[i]-'0'); } return (v&0x7FFFFFFF)%SZ; } bool insert(int position) { int _hash = gethash(str[position]); int next=parent[_hash]; while(next!=-1) { if(!strcmp(str[position],str[next])) break;

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