bzoj1055玩具取名

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int c[5],len;
bool f[205][205][5],mp[50][5],flag;
char ch1,ch2;
char gt()
{
    char tmp;
    scanf("%c",&tmp);
    while(tmp<65||tmp>90)scanf("%c",&tmp);
    return tmp;
}
int num(char c)
{
    if(c=='W')return 1;if(c=='I')return 2;
    if(c=='N')return 3;if(c=='G')return 4;
}
char chr(int a)
{
    if(a==1)return 'W';if(a==2)return 'I';
    if(a==3)return 'N';if(a==4)return 'G';
}
int main()
{
    scanf("%d%d%d%d",&c[1],&c[2],&c[3],&c[4]);
    for(int i=1;i<=4;i++)
        for(int j=1;j<=c[i];j++)
        {
            scanf(" %c%c",&ch1,&ch2);
            mp[num(ch1)*10+num(ch2)][i]=1;
        }
    ch1=gt();
    while(++len)
    {
        f[len][len][num(ch1)]=1;
        scanf("%c",&ch1);
        if(ch1=='
')break;
    }
    for(int i=2;i<=len;i++)
    {
        int lm=len-i+1;
        for(int l=1;l<=lm;l++)
        {
            int r=l+i-1;
            for(int k=l;k<r;k++)
                for(int x=1;x<=4;x++)
                    if(f[l][k][x])
                        for(int y=1;y<=4;y++)
                            if(f[k+1][r][y])
                                for(int j=1;j<=4;j++)
                                    f[l][r][j]|=mp[x*10+y][j];
        }
    }
    for(int i=1;i<=4;i++)
        if(f[1][len][i])printf("%c",chr(i)),flag=1;
    if(!flag)printf("The name is wrong!");
    return 0;
}