08-25-2025

Luogu/CodeOverclock/P1059 [NOIP 2006 普及组] 明明的随机数.cpp

@@ -0,0 +1,19 @@
+#include <iostream>
+#include <set>
+using namespace std;
+int main(){
+	set<int> s;
+	int n;
+	cin >> n;
+	int tmp;
+	for(int i = 0; i < n; i++){
+		cin >> tmp;
+		s.emplace(tmp);
+	}
+	cout << s.size() << endl;
+	for(auto it = s.begin(); it != s.end(); it++){
+		cout << *it << " ";
+	}
+	cout << endl;
+	return 0;
+}