'commit'

TangDou/CSP-J/AcWingTraining/T6/2767_2.cpp

@@ -0,0 +1,31 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int po(int x) {
+    int res = 1;
+    for (int i = 1; i <= x; i++)
+        res *= 2;
+    return res;
+}
+
+int main() {
+    int n;
+    cin >> n;
+
+    // 奇数直接输出-1
+    if (n % 2) {
+        cout << -1 << endl;
+        return 0;
+    }
+
+    vector<int> vec;
+    while (n) {
+        vec.push_back(n & 1);
+        n >>= 1;
+    }
+
+    for (int i = vec.size() - 1; i >= 0; i--)
+        if (vec[i]) cout << po(i) << " ";
+
+    return 0;
+}