delete pics to save space

history_source/ccf 入门篇/U4/4.6.2.cpp

@@ -0,0 +1,42 @@
+#include<iostream>
+#include<cmath>
+using namespace std;
+int n;
+void pai(int &x,int &y)
+{
+	while(x>0&&y>0)
+	{
+		x--;
+		y--;
+	}
+}
+void pai2(int &x,int &y)
+{
+	while(x<=n&&y>0) 
+	{
+		x++;
+		y--;
+	}
+}
+int main()
+{
+	int i,j,xx,yy;
+	while(true)
+	{
+		cin>>n>>i>>j;
+		for(int x=1;x<=n;x++) cout<<"("<<i<<","<<x<<") ";
+		cout<<endl;
+		for(int x=1;x<=n;x++) cout<<"("<<x<<","<<j<<") ";
+		cout<<endl;
+		xx=j;
+		yy=i;
+		pai(xx,yy);
+		for(int ii=1;ii+xx<=n&&ii+yy<=n;ii++) cout<<"("<<ii+yy<<","<<ii+xx<<") ";
+		xx=j;
+		yy=i;
+		pai2(xx,yy);
+		cout<<endl;
+		for(int ii=1;xx-ii>0&&ii+yy<=n;ii++)  cout<<"("<<xx-ii<<","<<ii+yy<<") ";
+		cout<<endl;
+	}
+}