'commit'

TangDou/XiTi/1314.cpp

@@ -0,0 +1,31 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int cnt;
+vector<int> path;
+
+void dfs(int n) {
+    if (n == 0) {
+        for (int i = 0; i < path.size(); i++) {
+            cout << path[i];
+            if (i < path.size() - 1) cout << "+";
+        }
+        cout << endl;
+        cnt++;
+        return;
+    }
+    for (int i = path.empty() ? 1 : path.back(); i <= n; i++) {
+        path.push_back(i);
+        dfs(n - i);
+        path.pop_back();
+    }
+}
+
+int main() {
+    int n;
+    cin >> n;
+    dfs(n);
+    cout << "total=" << cnt << endl;
+    return 0;
+}