delete pics to save space

history_source/信息学奥赛一本通/1.5.1.13.cpp

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+#include<cstdio>
+using namespace std;
+double abs(double n)
+{
+	if(n<0) n=-n;
+	return n;
+}
+int main()
+{
+	int n;
+	scanf("%d",&n);
+	double bai[n];
+	double max,min,add;
+	scanf("%lf",bai);
+	add=max=min=bai[0];
+	for(int i=1;i<n;i++)
+	{
+		scanf("%lf",bai+i);
+		if(bai[i]>max) max=bai[i];
+		if(bai[i]<min) min=bai[i];
+		add+=bai[i];
+	}
+	double p=(add-max-min)/(n-2);
+	printf("%.2lf ",p);
+	double maxn;
+	int i=0;
+	while(bai[i]==max||bai[i]==min) i++;
+	maxn=abs(p-bai[i]);
+	i++;
+	for(;i<n;i++)
+	{
+		if(abs(p-bai[i])>maxn&&bai[i]!=max&&bai[i]!=min) maxn=abs(p-bai[i]);
+	}
+	printf("%.2lf\n",maxn);
+	return 0;
+}
+