Luogu2580 于是他错误的点名开始了（Trie树）

复习\(Trie\)，忘了用\(val[]\)表示每个节点权值，用\(vis[]\)水过了

#include <iostream>

#include <cstdio>

#include <cstring>

#include <algorithm>

#include <cmath>

#define R(a,b,c) for(register int  a = (b); a <= (c); ++ a)

#define nR(a,b,c) for(register int  a = (b); a >= (c); -- a)

#define Max(a,b) ((a) > (b) ? (a) : (b))

#define Min(a,b) ((a) < (b) ? (a) : (b))

#define Fill(a,b) memset(a, b, sizeof(a))

#define Abs(a) ((a) < 0 ? -(a) : (a))

#define Swap(a,b) a^=b^=a^=b

#define ll long long

#define ON_DEBUG

#ifdef ON_DEBUG

#define D_e_Line printf("\n\n----------\n\n")

#define D_e(x)  cout << #x << " = " << x << endl

#define Pause() system("pause")

#define FileOpen() freopen("in.txt","r",stdin);

#else

#define D_e_Line ;

#define D_e(x)  ;

#define Pause() ;

#define FileOpen() ;

#endif

struct ios{

    template<typename ATP>ios& operator >> (ATP &x){

        x = 0; int f = 1; char c;

        for(c = getchar(); c < '0' || c > '9'; c = getchar()) if(c == '-')  f = -1;

        while(c >= '0' && c <= '9') x = x * 10 + (c ^ '0'), c = getchar();

        x*= f;

        return *this;

    }

}io;

using namespace std;

#include <bitset>

int n;

char s[1007];

bitset<1007> vis[500007];

int trie[500007][26], trieIndex;

inline void Insert(char *str){

	int rt = 0;

	for(register int i = 0; str[i] != '\0'; ++i){

		int v = str[i] - 'a';

		if(!trie[rt][v]){

			trie[rt][v] = ++trieIndex;

		}

		rt = trie[rt][v];

	}

}

inline int Query(char *str){

	int rt = 0, tot = 0;

	for(register int i = 0; str[i] != '\0'; ++i){

		int v = str[i] - 'a';

		if(!trie[rt][v]){

			return 0;

		}

		rt = trie[rt][v];

		++tot;

	}

	if(vis[rt][tot]) return 2;

	vis[rt][tot] = 1;

	return 1;

}

int main(){

    io>>n;

    R(i,1,n){

    	scanf("%s", s);

    	Insert(s);

    }

    int Ques;

    io >> Ques;

    while(Ques--){

    	scanf("%s", s);

    	int ans = Query(s);

    	switch(ans){

    		case 0 :{

    			printf("WRONG\n");

    			break;

    		}

    		case 1 :{

    			printf("OK\n");

    			break;

    		}

    		case 2 :{

    			printf("REPEAT\n");

    			break;

    		}

    	}

    }

    return 0;

}

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Luogu2580 于是他错误的点名开始了（Trie树）

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巴特西

Luogu2580 于是他错误的点名开始了 （Trie树）

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Luogu2580 于是他错误的点名开始了（Trie树）