delete pics to save space

2.10905.cpp

@@ -0,0 +1,27 @@
+#include<bits/stdc++.h>
+using namespace std;
+string s[55];
+int n;
+int idx[55];
+inline bool cmp(int a,int b)
+{
+	return s[a]+s[b]>s[b]+s[a];
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	while(cin>>n,n!=0)
+	{
+		for(int i=0;i<n;i++)
+		{
+			idx[i]=i;
+			cin>>s[i];
+		}
+		sort(idx,idx+n,cmp);
+		for(int i=0;i<n;i++) cout<<s[idx[i]];
+		cout<<endl;
+	}
+	return 0;
+}