Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131070/65535 K (Java/Others)
Total Submission(s): 69587 Accepted Submission(s): 24087
#include<iostream> #include<cstring> #include<cstdio> #include<cmath> #include<cstdlib> const int maxn=1000000; int trie[maxn][27]; int ojbk[maxn]; int color[maxn]; int k=1; using namespace std; void _insert(char *w) { int len=strlen(w); int p=0;//节点. for(int i=0;i<len;i++) { int temp=w[i]-‘a‘; if(!trie[p][temp]) { trie[p][temp]=k++; } p=trie[p][temp]; ojbk[p]++; } color[p]=1; } int query(char *s) { int len=strlen(s); int ans=0; int p=0; for(int i=0;i<len;i++) { int temp=s[i]-‘a‘; if(!trie[p][temp]) { return 0; } p=trie[p][temp]; } return ojbk[p]; } int main() { char word[15]; memset(ojbk,0,sizeof ojbk); memset(color,0,sizeof color); while(gets(word)) { int len1=strlen(word); if(len1==0) break; _insert(word); } while(gets(word)) { printf("%d\n",query(word)); } return 0; }
原文:https://www.cnblogs.com/switch-waht/p/11519435.html