Fix print error (krahets#729)

* fix(codes/cpp): Memory leak fix: the space was not freed when pop removed the element.

* fix(codes/cpp): Fix access error when printArray(arr, 0)

* Update PrintUtil.hpp

* fix(codes/c): Fix some errors of cmake build

* feat(codes/c): Add hashing_search.c

* styles(codes/c): Modify function description

* styles(codes/c): Modify binary_search.c code style

* fix(codes/c): Fix the problem in binary_tree_bfs.c and the problem that the memory is not released.

* feat: Add preorder_traversal_i_compact.c

* feat(codes/c): Add head_sort.c

* feat(codes/c): Add bucket_sort.c

* feat(codes/c): Add binary_search_edge.c

* fix(codes/c): Add programs that are not managed by cmake (c code)

* feat(codes/c): Add selection_sort.c

* style(codes/c): Change swap in selection_sort.c to `selectionSort`

* styles(codes/c): Change style.

* fix(codes/c): Fix some formatting errors and temporarily remove backtracking chapters

* fix(codes/c): Fix space_complexity.c build error.

* feat(codes/c): Add array_binary_tree.c

* feat(code/c): Update push_back and pop_back in vector.h

* styles(codes/c): Adjust  format.

* fix(codes/cpp/chapter_greedy): Fix print error.

---------

Co-authored-by: Yudong Jin <[email protected]>

codes/cpp/chapter_greedy/coin_change_greedy.cpp

@@ -40,7 +40,7 @@ int main() {
     coins = {1, 20, 50};
     amt = 60;
     res = coinChangeGreedy(coins, amt);
-    cout << "\ncoins = [";
+    cout << "\ncoins = ";
     printVector(coins);
     cout << "amt = " << amt << endl;
     cout << "凑到 " << amt << " 所需的最少硬币数量为 " << res << endl;
@@ -50,7 +50,7 @@ int main() {
     coins = {1, 49, 50};
     amt = 98;
     res = coinChangeGreedy(coins, amt);
-    cout << "\ncoins = [";
+    cout << "\ncoins = ";
     printVector(coins);
     cout << "amt = " << amt << endl;
     cout << "凑到 " << amt << " 所需的最少硬币数量为 " << res << endl;