P1059 [NOIP2006 普及组] 明明的随机数

R65563173

Luogu/P1059/P1059.cpp

@@ -0,0 +1,26 @@
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+using std::cin;
+using std::cout;
+using std::endl;
+
+int n, x;
+std::vector<int> a;
+
+int main() {
+    cin >> n;
+    for (int i = 0; i < n; i++) {
+        cin >> x;
+        a.push_back(x);
+    }
+    std::sort(a.begin(), a.end());
+    a.erase(std::unique(a.begin(), a.end()), a.end());
+    cout << a.size() << endl;
+    for (int i : a) {
+        cout << i << ' ';
+    }
+    cout << endl;
+    return 0;
+}