delete pics to save space

history_source/ccf 入门篇/U4/4.5.3.cpp

@@ -0,0 +1,17 @@
+#include<iostream>
+#include<cmath> 
+using namespace std;
+int main()
+{
+	long long a,b;
+	while(true)
+	{
+		cin>>a>>b;
+		a=a%10; 
+		for(int i=1;i<b;i++){
+			a=a*a;
+			a=a%10;
+		}
+		cout<<a<<endl;
+	}
+}