Skip to content

Commit

Permalink
update zig codes for Section 'Heap' (heap.zig)
Browse files Browse the repository at this point in the history
  • Loading branch information
coderonion committed Jan 15, 2023
1 parent 87949f6 commit 58d5c11
Show file tree
Hide file tree
Showing 3 changed files with 7 additions and 8 deletions.
9 changes: 4 additions & 5 deletions codes/zig/chapter_heap/heap.zig
Original file line number Diff line number Diff line change
Expand Up @@ -14,17 +14,16 @@ fn greaterThan(context: void, a: i32, b: i32) std.math.Order {
return lessThan(context, a, b).invert();
}

fn testPush(comptime T: type, mem_allocator: std.mem.Allocator, heap_push: anytype, val: T) !void {
var heap = heap_push;
fn testPush(comptime T: type, mem_allocator: std.mem.Allocator, heap: anytype, val: T) !void {
try heap.add(val); //元素入堆
std.debug.print("\n元素 {} 入堆后\n", .{val});
try inc.PrintUtil.printHeap(T, mem_allocator, heap);
}

fn testPop(comptime T: type, mem_allocator: std.mem.Allocator, heap_pop: anytype) !void {
var val = heap_pop.remove(); //堆顶元素出堆
fn testPop(comptime T: type, mem_allocator: std.mem.Allocator, heap: anytype) !void {
var val = heap.remove(); //堆顶元素出堆
std.debug.print("\n堆顶元素 {} 出堆后\n", .{val});
try inc.PrintUtil.printHeap(T, mem_allocator, heap_pop);
try inc.PrintUtil.printHeap(T, mem_allocator, heap);
}

// Driver Code
Expand Down
2 changes: 1 addition & 1 deletion codes/zig/include/PrintUtil.zig
Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ pub fn printHeap(comptime T: type, mem_allocator: std.mem.Allocator, queue: anyt
std.debug.print("堆的数组表示:", .{});
printArray(T, arr[0..len]);
std.debug.print("\n堆的树状表示:\n", .{});
var root = try TreeUtil.arrQueToTree(T, mem_allocator, arr[0..len]); // through TailQueue
var root = try TreeUtil.arrToTree(T, mem_allocator, arr[0..len]); // through TailQueue
try printTree(root, null, false);
}

Expand Down
4 changes: 2 additions & 2 deletions codes/zig/include/TreeNode.zig
Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,8 @@ pub fn TreeNode(comptime T: type) type {
};
}

// Generate a binary tree with an array (through TailQueue)
pub fn arrQueToTree(comptime T: type, mem_allocator: std.mem.Allocator, arr: []T) !?*TreeNode(T) {
// Generate a binary tree with an array
pub fn arrToTree(comptime T: type, mem_allocator: std.mem.Allocator, arr: []T) !?*TreeNode(T) {
if (arr.len == 0) return null;
var root = try mem_allocator.create(TreeNode(T));
root.init(arr[0]);
Expand Down

0 comments on commit 58d5c11

Please sign in to comment.