diff --git a/src/main.cc~ b/src/main.cc~
deleted file mode 100644
index febd5e0..0000000
--- a/src/main.cc~
+++ /dev/null
@@ -1,109 +0,0 @@
-#include <iostream>
-#include <vector>
-#include <algorithm>
-#include <limits>
-#include <cstring>
-#include <cctype>
-#include <xcdat.hpp>
-
-// as this is in test phase, i recommend testing with the input being "特別協力組合理事"
-
-struct Entry {
-    std::string_view decoded_view;
-    uint64_t id;
-    Entry(std::string_view decoded_view, uint64_t id) : decoded_view(decoded_view), id(id) {}
-};
-
-int main(int argc, char* argv[]) {
-    if (argc < 2) {
-        std::cerr << "Usage: " << argv[0] << " <search_string> [--debug] [--dict <path_to_dictionary>]" << std::endl;
-        return 1;
-    }
-
-    std::string search_string;
-    bool debug_mode = false;
-    std::string dict_file = "dict.bin"; // Default dictionary file path
-
-    // Parse command line arguments
-    for (int i = 1; i < argc; ++i) {
-        if (std::strcmp(argv[i], "--debug") == 0) {
-            debug_mode = true;
-        } else if (std::strcmp(argv[i], "--dict") == 0 && i + 1 < argc) {
-            dict_file = argv[i + 1];
-            i++; // Skip the next argument as it's the dictionary file path
-        } else {
-            search_string = argv[i];
-        }
-    }
-
-    if (search_string.empty()) {
-        std::cerr << "Search string not provided." << std::endl;
-        return 1;
-    }
-
-    std::string raw_output;
-    const auto trie = xcdat::load<xcdat::trie_15_type>(dict_file);
-
-    std::vector<std::string> substrings;
-    std::vector<Entry> results;
-    while (!search_string.empty()) {
-        auto itr = trie.make_prefix_iterator(search_string);
-
-        while (itr.next()) {
-            results.emplace_back(itr.decoded_view(), itr.id());
-        }
-
-        size_t min_length = std::numeric_limits<size_t>::max();
-        std::string_view smallest_prefix;
-
-        for (const auto& entry : results) {
-            if (entry.decoded_view.size() < min_length) {
-                min_length = entry.decoded_view.size();
-                smallest_prefix = entry.decoded_view;
-            }
-        }
-
-        if (min_length > 0) {
-            std::string substring = search_string.substr(0, search_string.find(smallest_prefix));
-            if (!substring.empty()) {
-                substrings.push_back(substring);
-            }
-            std::cout << search_string << " - " << smallest_prefix << " = ";
-
-            if (debug_mode) {
-                raw_output += search_string + " - " + std::string(smallest_prefix) + " = ";
-            }
-
-            size_t pos = search_string.find(smallest_prefix);
-            if (pos != std::string::npos) {
-                search_string.erase(0, pos + smallest_prefix.length());
-            }
-	    else break;
-
-            std::cout << search_string << std::endl;
-
-	    if (smallest_prefix.length() == 0)
-	      break;
-
-            if (debug_mode) {
-                raw_output += search_string + '\n';
-            }
-
-            while (!search_string.empty() && std::isspace(search_string.front())) {
-                search_string.erase(0, 1);
-            }
-        } else {
-            break;
-        }
-    }
-
-    if (debug_mode) {
-        std::cout << "Stored raw output:" << std::endl << raw_output << std::endl;
-    }
-
-    for (const auto& sub : substrings) {
-        std::cout << sub << std::endl;
-    }
-
-    return 0;
-}