Precreation contest files

misc/hsg-hn-2025/.vscode/launch.json

@@ -0,0 +1,22 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug C++ (input.inp)",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "${workspaceFolder}/${fileBasenameNoExtension}",
+      "args": ["<", "${fileBasenameNoExtension}.inp"],
+      "cwd": "${workspaceFolder}",
+      "preLaunchTask": "Build C++",
+      "MIMode": "gdb",
+      "externalConsole": false,
+      "setupCommands": [
+        {
+          "description": "Enable pretty printing",
+          "text": "-enable-pretty-printing"
+        }
+      ]
+    }
+  ]
+}

misc/hsg-hn-2025/.vscode/tasks.json

@@ -0,0 +1,22 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "Build C++",
+      "type": "shell",
+      "command": "g++",
+      "args": [
+        "-std=gnu++17",
+        "-O2",
+        "-g",
+        "${file}",
+        "-o",
+        "${fileBasenameNoExtension}"
+      ],
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      }
+    }
+  ]
+}

misc/hsg-hn-2025/denlong.cpp

@@ -0,0 +1,17 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int main() {
+  int n, k, x;
+  cin >> n >> k >> x;
+  vector<vector<int>> hash(9, vector<int>(n, 0));
+
+  for (int i = 0; i < n; i++) {
+    int a;
+    cin >> a;
+    if (i == 0)
+      hash[a][i] = 1;
+    else
+      hash[a][i] = hash[a][i - 1] + 1;
+  }
+}

misc/hsg-hn-2025/denlong.inp

@@ -0,0 +1,2 @@
+6 2 2
+1 9 3 2 3 5

misc/hsg-hn-2025/muasam.cpp

@@ -0,0 +1,35 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+const int MAX_N = 1e6;
+int a[MAX_N];
+
+int main() {
+  freopen("muasam.inp", "r", stdin);
+  freopen("muasam.out", "w", stdout);
+
+  ios::sync_with_stdio(false);
+  cin.tie(nullptr);
+
+  int n, l, r;
+  cin >> n >> l >> r;
+  for (int i = 0; i < n; i++)
+    cin >> a[i];
+  int res = 1e9;
+
+  sort(a, a + n);
+  int L = 0, R = n - 1;
+  while (L < R) {
+    int sum = a[L] + a[R];
+    if (sum > r)
+      R--;
+    else if (sum < l)
+      L++;
+    else {
+      res = min(res, sum);
+      R--;
+    }
+  }
+  cout << res << '\n';
+}