This commit is contained in:
krahets
2023-03-15 03:12:57 +08:00
parent 000a583f92
commit 683e7ee872
7 changed files with 138 additions and 130 deletions

View File

@@ -1541,7 +1541,7 @@ comments: true
nums: []T = undefined, // 用于存储队列元素的数组
cap: usize = 0, // 队列容量
front: usize = 0, // 队首指针,指向队首元素
queSize: usize = 0, // 尾指针,指向队尾 + 1
que_size: usize = 0, // 尾指针,指向队尾 + 1
mem_arena: ?std.heap.ArenaAllocator = null,
mem_allocator: std.mem.Allocator = undefined, // 内存分配器
@@ -1569,12 +1569,12 @@ comments: true
// 获取队列的长度
pub fn size(self: *Self) usize {
return self.queSize;
return self.que_size;
}
// 判断队列是否为空
pub fn isEmpty(self: *Self) bool {
return self.queSize == 0;
return self.que_size == 0;
}
// 入队
@@ -1585,10 +1585,10 @@ comments: true
}
// 计算尾指针,指向队尾索引 + 1
// 通过取余操作,实现 rear 越过数组尾部后回到头部
var rear = (self.front + self.queSize) % self.capacity();
var rear = (self.front + self.que_size) % self.capacity();
// 将 num 添加至队尾
self.nums[rear] = num;
self.queSize += 1;
self.que_size += 1;
}
// 出队
@@ -1596,7 +1596,7 @@ comments: true
var num = self.peek();
// 队首指针向后移动一位,若越过尾部则返回到数组头部
self.front = (self.front + 1) % self.capacity();
self.queSize -= 1;
self.que_size -= 1;
return num;
}