'commit'

LuoGu/RuMen/P1059.cpp

@@ -0,0 +1,26 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+int a[101] = {0};
+int main() {
+    int N;
+    cin>>N;
+
+    for(int i=0;i<N;i++)
+    {
+        cin>>a[i];
+    }
+    //排序，从小到大
+    sort(a, a + N, less<int>() );
+    //去重
+    int n = unique(a, a + N) - a;
+    //剩余个数
+    cout<<n<<endl;
+
+    for (int i = 0; i < n; i++)
+    {
+        cout << a[i] << " ";
+    }
+
+    return 0;
+}