Update: Rename folder name to XSMOJ

XSMOJ/未命名1.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <iomanip>
+#include <cstring>
+#include <cstdio>
+#include <ctime>
+#include <cmath>
+long long a,b,c[1000000],d[1000000],e=0;
+using namespace std;
+int main(){
+	cin >>a>>b;
+	for(int i=0;i<a;i++){
+		cin >>c[i];
+	}
+	for(int i=0;i<a;i++){
+		cin >>d[i];
+	}
+	for(int i=0;i<a;i++){
+		e+=(d[i]-c[i]);
+	}
+	if(e<=0){
+		cout <<0;
+	}
+	if(e>0){
+		cout <<e*b;
+	}
+	return 0;
+}