OJ-Problems-Source/HDOJ/4323_autoAC.cpp

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#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<iostream>
#include<vector>
#include<string>
#include<math.h>
#include<map>
#include<set>
#include<stack>
#include<queue>
#include<algorithm>
using namespace std;
int dp[40][40];
char s1[100], s2[100], st[10010][30];
const int inf = 0x7f7f7f7f;
struct node
{
char word[30];
node *next[30];
}root;
node p[100000];
int num, flag, vnum, fuck;
map<string,int>mp;
int f[100000];
void init( )
{
for( int i = 0; i < 40; i++)
for( int j = 0; j < 40; j++)
dp[i][j] = inf;
}
int diff( char *s1, char *s2)
{
init();
int x = strlen(s1+1);
int y = strlen(s2+1);
for( int i = 0; i <= x; i++)
dp[i][0] = i;
for( int j = 0; j <= y; j++)
dp[0][j] = j;
for( int i = 1; i <= x; i++)
{
for( int j = 1; j <= y; j++)
{
dp[i][j] = min(min(dp[i-1][j]+1, dp[i][j-1]+1), dp[i-1][j-1]+ !(s1[i]==s2[j]) );
}
}
return dp[x][y];
}
void insert(node *q, char *str)
{
node *l = q;
while( l )
{
int dis = diff( l->word, str);
if( ! l->next[dis] )
{
l->next[dis] = &p[num++];
strcpy(l->next[dis]->word + 1, str + 1);
break;
}
l = l->next[dis];
}
}
void sfind(node *q, char *str, int d)
{
if( flag )
return ;
node *l = q;
if( l == NULL )
return;
int dis = diff(str, l->word);
if( dis <= d )
{
fuck++;
}
for( int x = dis-d; x <= dis+d; x++)
{
if( x >= 0 && x <= 20 && l->next[x] )
sfind(l->next[x], str, d);
}
}
int main( )
{
int N, M, d, cnt, T, abc = 1;
char str[1000];
scanf("%d",&T);
while( T-- )
{
scanf("%d%d",&N,&M);
memset(p,0,sizeof(p));
for( int i = 0; i < 30; i++)
root.next[i] = NULL;
num = 0;
int cnum = 1;
strcpy(st[0] + 1, root.word+1);
for( int i = 1; i <= N; i++)
{
scanf("%s",st[i]+1);
insert(&root, st[i]);
}
d = 1;
printf("Case #%d:\n", abc++);
for( int i = 1; i <= M; i++)
{
vnum = 0;
flag = 0;
fuck = 0;
scanf("%s%d",str+1, &d);
sfind(&root, str, d);
printf("%d\n", fuck);
}
}
return 0;
}