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LightOj 1051.cpp
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LightOj 1051.cpp
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// Problem name : 1051 - Good or Bad
// Algorithm : DP
// Contest/Practice : Off Line Practice
// Source : Light Oj
// Comment :
// Date : 01-Oct-14
#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <string>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include<assert.h>
#define pause system("pause")
#define FOR(s,e,inc) for(int i=s;i<=e;i+=inc)
#define mod 1000000007
#define inf 1<<30
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define F first
#define S second
#define sz(x) ((int)x.size())
#define sqr(x) ( (x)* (x) )
#define eps 1e-9
#define gcd(x,y) __gcd(x,y)
#define on(x,w) x=x|(1<<w)
#define check(x,w) (x&(1<<w))==(1<<w)?true:false
#define all(x) (x).begin(),(x).end()
#define pf printf
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
template<class T>
inline T mod_v(T num)
{
if(num>=0)
return num%mod;
else
return (num%mod+mod)%mod;
}
template<class T>
inline void memset1(vector<T>&v,int s,T value)
{
for(int i=0;i<s;i++)
v[i]=value;
}
template<class T>
inline void memset2(vector<vector<T> >&v,int s1,int s2,T value)
{
for(int i=0;i<s1;i++)
for(int j=0;j<s2;j++)
v[i][j]=value;
}
template<class T>
T fast_pow(T n , T p)
{
if(p==0) return 1;
if(p%2)
{
T g=mod_v ( mod_v(n) * mod_v(fast_pow(n,p-1)) );
return g;
}
else
{
T g=fast_pow(n,p/2);
g=mod_v( mod_v(g) * mod_v(g) ) ;
return g;
}
}
template<class T>
inline T modInverse(T n)
{
return fast_pow(n,mod-2);
}
template<class T>
inline void debug(string S1,T S2,string S3)
{
cout<<S1<<S2<<S3;
}
#ifndef ONLINE_JUDGE
# define p(x) cout<<x<<endl;
#else if
# define print(x) 0;
#endif
//.......Code start from here ! .......
int dp[55][55][55];
string s;
int sz;
inline void clr()
{
for(int i=0;i<55;i++)
for(int j=0;j<55;j++)
for(int k=0;k<55;k++)
dp[i][j][k]=-1;
}
inline bool isv(char a)
{
if(a=='A' || a=='E' || a=='I' || a=='O' || a=='U')
return true;
else return false;
}
int re(int pos,int con,int v)
{
if(pos>=sz) return 0;
if(dp[pos][con][v]!=-1) return dp[pos][con][v];
int r=0,R=0;
int a;
if(s[pos]=='?')
{
r=re(pos+1,con+1,0);
R=re(pos+1,0,v+1);
if((con+1)>=5)
r=1;
if((v+1)>=3)
R=1;
if(r==0 && R==0)
a=0;
else if( (r==2 && R==0) || (r==0 && R==2) || (r==2 && R==1) || (r==1 && R==2) || (R==2 && r==2) || (R==1 && r==0) || (R==0 && r==1))
a=2;
else a=1;
}
else
{
if(isv(s[pos]))
{
a=re(pos+1,0,v+1);
if(v+1>=3)
a=1;
}
else
{
a=re(pos+1,con+1,0);
if(con+1>=5)
a=1;
}
}
return dp[pos][con][v]=a;
}
int main()
{
int t,tcase=1;
scanf("%d",&t);
while(t--)
{
clr();
cin>>s;
sz=sz(s);
int ans=re(0,0,0);
printf("Case %d: ",tcase++);
if(ans==0)
printf("GOOD\n");
else if(ans==2)
printf("MIXED\n");
else
printf("BAD\n");
}
return 0;
}