'commit'

GESP/Mkx/20250401T5.cpp

@@ -0,0 +1,25 @@
+#include <bits/stdc++.h>
+using namespace std;
+int n;
+vector<int> vec;
+
+void dfs(int x) {
+  if (x == 0) {
+    for (int i = 0; i < vec.size(); i++)
+      cout << vec[i] << " ";
+    cout << endl;
+    return;
+  }
+  // 当前位置可以放下每个小于等于x的数字
+  for (int i = 1; i <= x; i++) {
+    vec.push_back(i);
+    dfs(x - i);
+    vec.pop_back();
+  }
+}
+
+int main() {
+  cin >> n;
+  dfs(n);
+  return 0;
+}