delete pics to save space

history_source/ccf 入门篇/U4/4.5.6.cpp

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+#include<iostream>
+#include<cmath>
+using namespace std;
+int main()
+{
+	int n,m,k,x;
+	long long a;
+	while(true)
+	{
+		cin>>n>>m>>k>>x;
+		a=pow(10,k);
+		k=a%n;
+		cout<<(m*k+x)%n<<endl;
+	}
+}