'commit'

TangDou/CSP-J/AcWingTraining/T2/425_MANUAL.cpp

@@ -0,0 +1,22 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+const int N = 1010;
+int a[N];
+int b[N], bl;
+int main() {
+    int n;
+    cin >> n;
+    for (int i = 0; i < n; i++) cin >> a[i];
+    sort(a, a + n);
+    int pre = -1;
+    for (int i = 0; i < n; i++) {
+        if (a[i] != pre) {
+            pre = a[i];
+            b[++bl] = a[i];
+        }
+    }
+    cout << bl << endl;
+    for (int i = 1; i <= bl; i++) cout << b[i] << " ";
+    return 0;
+}