3106.cpp

这些是我到目前在PKU上做出的题目

#include <iostream.h>

char a[305][305],b[305][305],comm,tt;
int n,m,i,j,h,v,r,t;

int main()
{
	cin>>n>>m;
	for (i=1;i<=n;i++)
		for (j=1;j<=m;j++)
			cin>>a[i][j];
	h=0;v=0;r=0;
	while (cin>>comm)
	{
		if (comm=='1')
		{
			if (r%2==0)
				h=(h+1)%2;
			else
				v=(v+1)%2;
			r=(r+1)%4;
		}
		if (comm=='2')
		{
			if (r%2==0)
				h=(h+1)%2;
			else
				v=(v+1)%2;
			r=(r+3)%4;
		}
		if (comm=='H')
		{
			if (r%2==0)
				h=(h+1)%2;
			else
				v=(v+1)%2;
		}
		if (comm=='V')
		{
			if (r%2==0)
				v=(v+1)%2;
			else
				h=(h+1)%2;
		}
		if (comm>='A' && comm<='C')
			r=(r+(comm-'A'+1))%4;
		if (comm>='X' && comm<='Z')
			r=(r+('Z'-comm+1))%4;
	}
	if (h==1)
	{
		for (i=1;i<=n/2;i++)
			for (j=1;j<=m;j++)
			{
				tt=a[i][j];
				a[i][j]=a[n-i+1][j];
				a[n-i+1][j]=tt;
			}
	}
	if (v==1)
	{
		for (i=1;i<=n;i++)
			for (j=1;j<=m/2;j++)
			{
				tt=a[i][j];
				a[i][j]=a[i][m-j+1];
				a[i][m-j+1]=tt;
			}
	}
	if (r==0)
	{
		for (i=1;i<=n;i++)
			for (j=1;j<=m;j++)
				b[i][j]=a[i][j];
	}
	if (r==1)
	{
		for (i=1;i<=m;i++)
			for (j=1;j<=n;j++)
				b[i][j]=a[n-j+1][i];
		t=n;n=m;m=t;
	}
	if (r==2)
	{
		for (i=1;i<=n;i++)
			for (j=1;j<=m;j++)
				b[i][j]=a[n-i+1][m-j+1];
	}
	if (r==3)
	{
		for (i=1;i<=m;i++)
			for (j=1;j<=n;j++)
				b[i][j]=a[j][m-i+1];
		t=n;n=m;m=t;
	}
	cout<<n<<" "<<m<<"\n";
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=m;j++)
			cout<<b[i][j];
		cout<<"\n";
	}
	return 0;
}