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
");
			}

		}
	}
}

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