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2/A.cpp

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+#include <iostream>
+
+void PrintArray(const int* arr, const int* size);
+void SortArray(int* arr, const int* size);
+
+
+void PrintArray(const int* arr, const int* size) {
+  for (int i = 0; i < *size; ++i) {
+    std::cout << arr[i] << " ";
+  }
+  std::cout << std::endl;
+}
+
+void SortArray(int* arr, const int* size) {
+  if (*size == 1)
+    return;
+
+  int i, j, idx;
+  idx = 0;
+  i = idx;
+  j = 1;
+
+  while (idx < *size) {
+    while (arr[i] > arr[j]) {
+      std::swap(arr[i], arr[j]);
+      if (i == 0)
+        break;
+      --j;
+      --i;
+    }
+    i = idx;
+    j = ++idx;
+  }
+}
+
+int main() {
+  int size;
+  std::cin >> size;
+
+  int* a = new int[size];
+  for (int i = 0; i < size; ++i) {
+    std::cin >> a[i];
+  }
+
+  SortArray(a, &size);
+  PrintArray(a, &size);
+
+  return 0;
+}