add aloha/2025hcpc

storage/aloha/cpp/2025hcpc-div1-H.cpp

@@ -0,0 +1,59 @@
+#include <iostream>
+
+using namespace std;
+
+int N;
+
+void init();
+void solve();
+void func(int m);
+
+int main() {
+    ios_base::sync_with_stdio(0);
+    cin.tie(0); cout.tie(0);
+
+    init();
+    solve();
+}
+
+void init() {
+    cin >> N;
+}
+void solve() {
+    cout << "Yes" << "\n";
+
+    if (N % 2 == 0) {
+        func(N / 2);
+        
+    } else if (N % 2 == 1) {
+        func(N / 2);
+        cout << 0;
+
+    }
+}
+void func(int m) {
+    int k = m / 2;
+
+    if (m % 2 == 0) {
+        if (k % 2 == 0) {
+            for (int i = 1; i <= m; i++) {
+                if (i % 2) cout << i << " " << -i << " ";
+                else cout << -i << " " << i << " ";
+            }
+        } else if (k % 2 == 1) {
+
+        }
+
+    } else if (m % 2 == 1) {
+        if (k % 2 == 0) {
+            cout << -2 << " " << 1 << " ";
+            for (int i = 3; i <= m+1; i++) {
+                if (i % 2) cout << i << " " << -i << " ";
+                else cout << -i << " " << i << " ";
+            }
+        } else if (k % 2 == 1) {
+
+
+        }
+    }
+}