• 6.15判断数独


    #include <stdio.h>
    #include <string.h>
    
    #define N 13
    int A[N][N];
    int tag[10];
    
    bool JudgeRow()
    {
    	for (int i=1;i<=9;++i)
    	{
    		memset(tag,0,sizeof(int)*10);
    		for (int j=1;j<=9;++j)
    		{
    			tag[A[i][j]]=1;
    		}
    		for (int j=1;j<=9;++j)
    		{
    			if (tag[j]==0)
    			{
    				return false;
    			}
    		}
    
    	}
    	return true;
    }
    bool JudgeCol()
    {
    	for (int i=1;i<=9;++i)
    	{
    		memset(tag,0,sizeof(int)*10);
    		for (int j=1;j<=9;++j)
    		{
    			tag[A[j][i]]=1;
    		}
    		for (int j=1;j<=9;++j)
    		{
    			if (tag[j]==0)
    			{
    				return false;
    			}
    		}
    
    	}
    	return true;
    }
    
    bool JudgeNINE()
    {
    	for (int i=1;i<=7;i+=3)
    	{
    		for (int j=1;j<=7;j+=3)
    		{
    			memset(tag,0,sizeof(int)*10);
    			for (int p=i;p<=i+3;++p)
    			{
    				for (int q=j;q<=j+3;++q)
    				{
    					tag[A[p][q]]=1;
    				}
    			}
    			for (int k=1;k<=9;++k)
    			{
    				if(tag[k]==0) return false;
    			}
    		}
    	}
    }
    
    int main(int argc,char **argv)
    {
    	//freopen("in.txt","r",stdin);
    	//freopen("out.txt","w",stdout);
    
    	int n;
    	while(scanf("%d",&n)==1)
    	{
    		for (int k=0;k<n;++k)
    		{
    			for (int i=1;i<=9;++i)
    			{
    				for (int j=1;j<=9;++j)
    				{
    					scanf("%d",&A[i][j]);
    				}
    			}
    			if (JudgeRow() && JudgeCol() && JudgeNINE())
    			{
    				printf("Right
    ");
    			} 
    			else
    			{
    				printf("Wrong
    ");
    			}
    
    		}
    	}
    }

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  • 原文地址:https://www.cnblogs.com/wuhayaoshenmeai/p/3361871.html
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