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

storage/zeta/cpp/completed/1448.cpp

@@ -0,0 +1,30 @@
+#include <algorithm>
+#include <functional>
+#include <iostream>
+
+using namespace std;
+
+int get_max(int N, int *S) {
+    for (int i = 0; i < N - 2; i++) {
+        if (S[i] < S[i + 1] + S[i + 2]) return S[i] + S[i + 1] + S[i + 2];
+    }
+    return -1;
+}
+
+int main() {
+
+    int N;
+    int S[1000000];
+
+    cin >> N;
+
+    for (int i = 0; i < N; i++) {
+        cin >> S[i];
+    }
+
+    sort(S, S + N, greater<>());
+
+    cout << get_max(N, S) << endl;
+
+    return 0;
+}