delete pics to save space

history_source/ccf 入门篇/U3/3.4.2.cpp

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+#include<iostream>
+#include<cmath>
+using namespace std; 
+int main()
+{
+	int a;
+	while(true)
+	{
+		cin>>a;
+		switch(a)
+		{
+			case 1:cout<<"Monday"<<endl;break;
+			case 2:cout<<"Tuesday"<<endl;break;
+			case 3:cout<<"Wednesday"<<endl;break;
+			case 4:cout<<"Thursday"<<endl;break;
+			case 5:cout<<"Friday"<<endl;break;
+			case 6:cout<<"Saturday"<<endl;break;
+			case 7:cout<<"Sunday"<<endl;break;
+			default:cout<<"Sorry!"<<endl;
+		}
+	}
+}