B - Beautiful Permutation

https://codeforces.com/gym/103098/submission/180699549

Gym/103098/B/B.cpp

@@ -0,0 +1,75 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int n;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> n;
+
+    if (n == 1) {
+        cout << "YES" << endl
+             << 0 << endl;
+    } else if (n % 4 == 0) {
+        int k = n / 4;
+
+        cout << "YES" << endl;
+
+        for (int i = 1; i <= k; i++) {
+            cout << n - i << ' ';
+        }
+
+        for (int i = k + 1; i <= 2 * k - 1; i++) {
+            cout << n - i - 1 << ' ';
+        }
+
+        cout << 0 << ' ';
+
+        for (int i = 2 * k + 1; i <= 3 * k - 1; i++) {
+            cout << n - i << ' ';
+        }
+
+        cout << n - k - 1 << ' ';
+
+        for (int i = 3 * k + 1; i <= 4 * k; i++) {
+            cout << n - i + 1 << ' ';
+        }
+
+        cout << endl;
+    } else if (n % 4 == 1) {
+        int k = n / 4;
+
+        cout << "YES" << endl;
+
+        for (int i = 1; i <= k; i++) {
+            cout << n - i << ' ';
+        }
+
+        cout << k + 1 << ' ';
+
+        for (int i = k + 2; i <= 2 * k; i++) {
+            cout << n - i + 1 << ' ';
+        }
+
+        cout << 0 << ' ';
+
+        for (int i = 2 * k + 2; i <= 3 * k + 1; i++) {
+            cout << n - i + 2 << ' ';
+        }
+
+        for (int i = 3 * k + 2; i <= 4 * k + 1; i++) {
+            cout << n - i + 1 << ' ';
+        }
+
+        cout << endl;
+    } else {
+        cout << "NO" << endl;
+    }
+
+    return 0;
+}