delete pics to save space

history_source/ccf 入门篇/U5/5.3.8.cpp

@@ -0,0 +1,39 @@
+#include<iostream>
+using namespace std;
+int main()//20 40 32 67 40 20 89 300 400 15
+{
+	int n,m,x;
+	while(true)
+	{
+		cin>>n;
+		int sr[n];
+		for(int i=0;i<n;i++) cin>>sr[i];
+		for(int i=n-1;i>0;i--)
+		{
+			for(int j=0;j<i;j++)
+			{
+			    if(sr[j]>sr[j+1]){
+			    	x=sr[j];
+			    	sr[j]=sr[j+1];
+			    	sr[j+1]=x;
+				}	
+			}
+		}
+		m=n;
+		x=sr[0];
+		for(int i=1;i<n;i++)
+		{
+			if(x==sr[i]) m--;
+			x=sr[i];
+		}
+		cout<<m<<endl;
+		x=sr[0];
+		cout<<x<<" ";
+		for(int i=1;i<n;i++)
+		{
+			if(x!=sr[i]) cout<<sr[i]<<" ";
+			x=sr[i];
+		}
+		cout<<endl;
+	}
+}