add raw files

main.cpp

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+#include <cstdio>
+#include <memory>
+
+#include <random>
+#include <vector>
+
+#include "sort/sort.hpp"
+
+template <typename Iter>
+void shuffling(Iter first, Iter last) {
+    static std::random_device rd;
+    static std::mt19937_64 mt_rd(rd());
+
+    size_t length = last - first;
+    for (int i = length - 1; i > 0; --i) {
+        int index = std::uniform_int_distribution(0, i)(mt_rd);
+        std::swap(*(first + index), *(last - 1));
+        --last;
+    }
+}
+
+int main(int argc, char* argv[]) {
+    int list_size = 256;
+
+    if (argc > 1) {
+        sscanf(argv[1], "%d", &list_size);
+    }
+
+    std::vector<int> list(list_size);
+    for (int i = 0; i < list_size; ++i) {
+        list.at(i) = i + 1;
+    }
+
+    shuffling(list.begin(), list.end());
+
+    printf("Pre-sorting:\n");
+
+    const char* endline = " \n";
+    int max_len = snprintf(nullptr, 0, "%d", list_size);
+    for (int i = 0; i < list_size; ++i) {
+        printf("%*d%c", max_len, list.at(i), endline[(i + 1) % 16 == 0]);
+    }
+
+    isort(list.begin(), list.end());
+
+    printf("\nPost-sorting:\n");
+
+    for (int i = 0; i < list_size; ++i) {
+        printf("%*d%c", max_len, list.at(i), endline[(i + 1) % 16 == 0]);
+    }
+
+    return 0;
+}