restructure zeta/** to storage/zeta/**

storage/zeta/cpp/completed/1927.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <queue>
+
+int main() {
+    std::cin.tie(0);
+    std::cout.tie(0);
+    std::ios_base::sync_with_stdio(0);
+    std::priority_queue<unsigned int, std::vector<unsigned int>, std::greater<int>> q;
+    int N;
+    std::cin >> N;
+    for (int i = 0; i < N; i++) {
+        int x;
+        std::cin >> x;
+        if (x != 0) {
+            q.push(x);
+        } else {
+            if (q.size() != 0) {
+                std::cout << q.top() << "\n";
+                q.pop();
+            } else {
+                std::cout << 0 << "\n";
+            }
+        }
+    }
+
+    return 0;
+}