Add FZOI Codes

FZOI/田忌赛马.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+#include <cstdio>
+#include <algorithm>
+using namespace std;
+
+const int N=2001;
+int a[N],b[N];
+
+void Scanf(int &x)
+{
+	x=0;
+	char s=getchar();
+	while(s<'0'||s>'9') s=getchar();
+	while(s>='0'&&s<='9') x=x*10+s-'0',s=getchar();
+}
+
+int main()
+{
+	int Ans,n,la,lb,ra,rb,i;
+	Scanf(n);
+	for (i=1;i<=n;++i) Scanf(a[i]);
+	for (i=1;i<=n;++i) Scanf(b[i]);
+	sort(a+1,a+n+1),sort(b+1,b+n+1);
+	Ans=0,la=lb=1,ra=rb=n;
+	for (i=1;i<=n;++i)
+	{
+		if (a[ra]>b[rb]) Ans+=200,--ra,--rb;
+		else if (a[ra]<b[rb]) Ans-=200,++la,--rb;
+			 else if (a[la]>b[lb]) Ans+=200,++la,++lb;
+			 	  else
+			 	  {
+			 	  	if (a[la]<b[rb]) Ans-=200;
+			 	  	++la,--rb;
+		 		  }
+	}
+	printf("%d\n",Ans);
+	return 0;
+}