#include   <stdio.h>
#include   <iostream.h>
#include   <memory.h>

 long int a[1001][1001],b[1001][1001],c[1001][1001];
 long int ea[1001],eb[1001],eac[1001],ebc[1001];
void   main()
{
	int i,j,m,p,n;
	memset(ea,0,sizeof(ea));
	memset(eb,0,sizeof(eb));
	memset(eac,0,sizeof(eac));
	memset(ebc,0,sizeof(ebc));
	scanf("%d%d%d",&m,&p,&n);
	for(i=1;i<=m;i++){
		for(j=1;j<=p;j++){
			scanf("%ld",&a[i][j]);
			ea[j]+=a[i][j];
		}
	}
	for(i=1;i<=p;i++){
		for(j=1;j<=n;j++){
			scanf("%ld",&b[i][j]);
        eb[i]+=b[i][j];
		}
	}
	for(i=1;i<=m;i++){
		for(j=1;j<=n;j++){
			scanf("%ld",&c[i][j]);
            eac[i]+=c[i][j];
			ebc[j]+=c[i][j];
		}
	}
  	//printf("test\n");
	/*
	test :
	*/
    long int  temp;
	int x,y;
	bool yes = true;
	for(i=1;i<=n;i++)
	{   temp = 0;
		for(j=1;j<=p;j++)
		{
		temp+=ea[j]*b[j][i];
		}
		if(temp==ebc[i]) yes = true;
		else {yes = false;y = i;break;}
	}

	for(i=1;i<=m;i++)
	{   temp = 0;
		for(j=1;j<=p;j++)
		{
		temp+=a[i][j]*eb[j];
		}
		if(temp==eac[i]) yes = true;
		else {yes = false;x = i;break;}
	}
    if(yes)
	{
	printf("Yes\n");
	}
	else
	{
	printf("No\n");
	printf("%d %d\n",x,y);
	temp = 0;
    for(i=1;i<=p;i++)
	{
	temp += a[x][i]*b[i][y];
	}
    cout<<temp<<endl;
	}
}

• Re:why wa??!! (85) xuguangshengqq 2007-07-21 16:28:18
• ac了！！！ (85) xuguangshengqq 2007-07-21 16:28:33