Rename single digit days

d1/main.cxx

@@ -1,61 +0,0 @@
-#include <iostream>
-#include <sstream>
-#include <vector>
-#include <unordered_map>
-#include <algorithm>
-
-using std::cout, std::endl;
-
-constexpr const char content[] = {
-    #embed "input.txt"
-};
-
-int part_1() {
-    std::vector<int> left_vec, right_vec;
-    std::istringstream iss{content}; 
-
-    int l_id, r_id;
-    while (iss >> l_id >> r_id) {
-        left_vec.emplace_back(l_id);
-        right_vec.emplace_back(r_id);
-    }
-    std::sort(left_vec.begin(), left_vec.end());
-    std::sort(right_vec.begin(), right_vec.end());
-
-    auto diff_acc{0};
-    for (auto i{0}; i < left_vec.size(); i++) {
-        diff_acc += std::abs(left_vec[i] - right_vec[i]);
-    }
-
-    return diff_acc;
-}
-
-int part_2() {
-    std::vector<int> left_vec;
-    std::unordered_map<int, int> right_map;
-    std::istringstream iss{content}; 
-
-    int l_id, r_id;
-    while (iss >> l_id >> r_id) {
-        left_vec.emplace_back(l_id);
-        right_map[r_id]++;
-    }
-
-    auto sim_acc{0};
-    for (auto left_num : left_vec) {
-        sim_acc += right_map[left_num] * left_num;
-    }
-    
-    return sim_acc;
-} 
-
-int main() {
-    std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();
-    auto p1_val = part_1();
-    std::chrono::steady_clock::time_point middle = std::chrono::steady_clock::now();
-    auto p2_val = part_2();
-    std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
-    cout << "Part 1: " << p1_val << " (" << std::chrono::duration_cast<std::chrono::microseconds>(middle - begin).count() << "µs)" << endl;  
-    cout << "Part 2: " << p2_val << " (" << std::chrono::duration_cast<std::chrono::microseconds>(end - middle).count() << "µs)" << endl;
-    return 0;
-}