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  • $NOIP2003$侦探推理

    (NOIP2003)侦探推理

    不行我没忍住,这道恶心的模拟写出来了,一定要发文祭奠一下

    话说我这么清晰的命名方式应该是个人都看得懂吧

    #include<bits/stdc++.h>
    using namespace std;
    inline int read()
    {
        int f=1,w=0;char x=0;
        while(x<'0'||x>'9') {if(x=='-') f=-1; x=getchar();}
        while(x!=EOF&&x>='0'&&x<='9') {w=(w<<3)+(w<<1)+(x^48);x=getchar();}
        return w*f;
    }
    const int N=25;
    const int P=110;
    int n,m,K,Sum;
    struct Students
    {
    	string Name;
    	int Hon,Crm,Sum;
    	vector<string> Word;
    } p[N];
    map<string,int> Name_MAP,Day,ANS;
    map<string,string> Gul,NGul;
    inline void get(string &x)
    {
        char c=getchar();
        while(c=='
    '||c=='
    ') c=getchar();
        while(c!='
    '&&c!='
    ') x+=c,c=getchar();
    }
    int main(){
    #ifndef ONLINE_JUDGE
        freopen("A.in","r",stdin);
    #endif
    	scanf("%d%d%d",&m,&n,&K);
    	for(int i=1;i<=m;i++)
    	{
    		char X=getchar();while(X=='
    '||X=='
    ') X=getchar();
    		while(X!='
    '&&X!='
    ') p[i].Name+=X,X=getchar();
    		Name_MAP[p[i].Name]=i;
    	}
    	for(int i=1;i<=K;i++)
    	{
    		string S,NAME;char X=getchar();
    		while(X=='
    '||X=='
    ') X=getchar();
    		while(X!=':') NAME+=X,X=getchar();
    		while(X=='
    '||X=='
    '||X==' '||X==':') X=getchar();
    		while(X!='
    '&&X!='
    ') S+=X,X=getchar();
    		p[Name_MAP[NAME]].Word.push_back(S);
    	}
    	Day["Today is Monday."]=1;Day["Today is Tuesday."]=2;
    	Day["Today is Wednesday."]=3;Day["Today is Thursday."]=4;
    	Day["Today is Friday."]=5;Day["Today is Saturday."]=6;
    	Day["Today is Sunday."]=7;
    	for(int i=1;i<=m;i++) Gul[p[i].Name+" is guilty."]=p[i].Name;
    	for(int i=1;i<=m;i++) NGul[p[i].Name+" is not guilty."]=p[i].Name;
    	for(int Ts=0;Ts<(1<<m);Ts++)
    	{
    		int Cnt_UNKOWN=0,Cnt_GUL=0,Cnt_NGUL=0,Cnt=0,Today=0;
    		for(int i=0;i<m;i++) if(!(Ts&(1<<i))) Cnt++;
    		if(Cnt!=n) continue;
    		for(int i=0;i<m;i++) p[i+1].Hon=0;
    		for(int i=0;i<m;i++) p[i+1].Hon=(bool)(Ts&(1<<i));
    		for(int i=1;i<=m;i++) p[i].Crm=-1,p[i].Crm=-1;
    		for(int i=1;i<=m;i++)
    		{
    			if(p[i].Hon)
    			{
    				for(int j=0;j<(int)p[i].Word.size();j++)
    				{
    					if(p[i].Word[j]=="I am guilty.")
    					{
    						if(p[i].Crm==-1||p[i].Crm==1) p[i].Crm=1;
    						else goto This_is_False; continue;
    					}
    					if(p[i].Word[j]=="I am not guilty.")
    					{
    						if(p[i].Crm==-1||p[i].Crm==0) p[i].Crm=0;
    						else goto This_is_False; continue;
    					}
    					if(Gul[p[i].Word[j]].size())
    					{
    						if(p[Name_MAP[Gul[p[i].Word[j]]]].Crm==-1)
    							p[Name_MAP[Gul[p[i].Word[j]]]].Crm=1;
    						else if(p[Name_MAP[Gul[p[i].Word[j]]]].Crm==1)
    							p[Name_MAP[Gul[p[i].Word[j]]]].Crm=1;
    						else goto This_is_False; continue;
    					}
    					if(NGul[p[i].Word[j]].size())
    					{
    						if(p[Name_MAP[NGul[p[i].Word[j]]]].Crm==-1)
    							p[Name_MAP[NGul[p[i].Word[j]]]].Crm=0;
    						else if(p[Name_MAP[NGul[p[i].Word[j]]]].Crm==0)
    							p[Name_MAP[NGul[p[i].Word[j]]]].Crm=0;
    						else goto This_is_False; continue;
    					}
    					if(Day[p[i].Word[j]])
    					{
    						if(Today==Day[p[i].Word[j]]) Today=Day[p[i].Word[j]];
    						else if(Today==0) Today=Day[p[i].Word[j]];
    						else goto This_is_False; continue;
    					}
    				}
    			}
    			else
    			{
    				for(int j=0;j<(int)p[i].Word.size();j++)
    				{
    					if(p[i].Word[j]=="I am guilty.")
    					{
    						if(p[i].Crm==-1||p[i].Crm==0) p[i].Crm=0;
    						else goto This_is_False; continue;
    					}
    					if(p[i].Word[j]=="I am not guilty.")
    					{
    						if(p[i].Crm==-1||p[i].Crm==1) p[i].Crm=1;
    						else goto This_is_False; continue;
    					}
    					if(Gul[p[i].Word[j]].size())
    					{
    						if(p[Name_MAP[Gul[p[i].Word[j]]]].Crm==-1)
    							p[Name_MAP[Gul[p[i].Word[j]]]].Crm=0;
    						else if(p[Name_MAP[Gul[p[i].Word[j]]]].Crm==0)
    							p[Name_MAP[Gul[p[i].Word[j]]]].Crm=0;
    						else goto This_is_False; continue;
    					}
    					if(NGul[p[i].Word[j]].size())
    					{
    						if(p[Name_MAP[NGul[p[i].Word[j]]]].Crm==-1)
    							p[Name_MAP[NGul[p[i].Word[j]]]].Crm=1;
    						else if(p[Name_MAP[NGul[p[i].Word[j]]]].Crm==1)
    							p[Name_MAP[NGul[p[i].Word[j]]]].Crm=1;
    						else goto This_is_False; continue;
    					}
    					if(Day[p[i].Word[j]])
    						if(Today==Day[p[i].Word[j]]&&Today)
    							goto This_is_False;
    				}
    			}
    		}
    		for(int i=1;i<=m;i++)
    			if(p[i].Crm==-1) Cnt_UNKOWN++;
    			else if(p[i].Crm==1) Cnt_GUL++;
    			else if(p[i].Crm==0) Cnt_NGUL++;
    		if(Cnt_GUL>1) goto This_is_False;
    		if(Cnt_UNKOWN+Cnt_NGUL==m&&Cnt_UNKOWN>1)
    		{
    			puts("Cannot Determine");return 0;
    		}
    		if(Cnt_UNKOWN+Cnt_NGUL==m&&Cnt_UNKOWN==1)
    		{
    			Cnt_GUL=Cnt_UNKOWN;
    			for(int i=1;i<=m;i++)
    				if(p[i].Crm==-1) p[i].Crm=1;
    		}
    		if(Cnt_GUL==1)
    			for(int i=1;i<=m;i++)
    				if(p[i].Crm==1) p[i].Sum++;
    	  This_is_False:;
    	}
    	for(int i=1;i<=m;i++) if(p[i].Sum) Sum++;
    	if(Sum==1)
    	{
    		for(int i=1;i<=m;i++)
    			if(p[i].Sum) cout<<p[i].Name<<endl;
    	}
    	else if(Sum!=0) puts("Cannot Determine");
    	else puts("Impossible");
    }
    
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  • 原文地址:https://www.cnblogs.com/wo-shi-zhen-de-cai/p/11798427.html
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