3 二分类代码实现 在实现的时候,往往会加上一个smooth,防止分母为0的情况出现。.... * intersection + smooth) / (m1.sum() + m2.sum() + smooth) 复制代码 当然dice loss就是1-dice ceofficient,所以可以写成...(y_true, y_pred): return 1. - dice_coef(y_true, y_pred) 复制代码 3.3 tensorflow实现 def dice_coe(output...= (2. * inse + smooth) / (l + r + smooth) dice = tf.reduce_mean(dice) return dice 复制代码 4 多分类...剩下的和二分类的代码基本相同了,先ground truth和预测结果对应元素相乘,然后对相乘的结果求和。就是最后需要对每一个类别和每一个样本都求一次平均就行了。 5 深入探讨Dice,IoU ?
代码: 1 #include 2 #include 3 #include 4 #include 5 #include
在很多关于医学图像分割的竞赛、论文和项目中,发现 Dice 系数(Dice coefficient) 损失函数出现的频率较多,这里整理一下。...参考目录: 1 概述 1.2 Dice 定义 2 手推案例 3 二分类代码实现 3.1 PyTorch实现 3.2 keras实现 3.3 tensorflow实现 4 多分类 5 深入探讨Dice,IoU...1 概述 Dice损失和Dice系数(Dice coefficient)是同一个东西,他们的关系是: 1.2 Dice 定义 Dice系数, 根据 Lee Raymond Dice命名,是一种集合相似度度量函数...3 二分类代码实现 在实现的时候,往往会加上一个smooth,防止分母为0的情况出现。...剩下的和二分类的代码基本相同了,先ground truth和预测结果对应元素相乘,然后对相乘的结果求和。就是最后需要对每一个类别和每一个样本都求一次平均就行了。 5 深入探讨Dice,IoU ?
的基础上最多投掷两次的期望,即:\frac{13}{20} * 13 可以发现,每次的结果都是由上一步推得,可以得出一个递推关系,那么求n面骰子,投k次只要从1次一直推到k次即可,由于要用到区间和,用前缀和预处理一下即可,代码实现简单...代码 #include #define LL long long using namespace std; const int maxn = 1e5+10; const
下面版本的Snakes and Ladders游戏代码最初在Control Flow中介绍过。...Snakes and Ladders") } print("The game is using a \(game.dice.sides)- sided dice...它检查了如果game是SnakesandLadders的实例,就打印一些信息。 gameDidStart(_:)方法中还访问了game参数的dice属性。...因为game实现了DiceGame协议,因此就保证了一定有dice属性。同样gameDidStart(_:)方法也能够访问dice的sides属性,而不用关心具体玩的那个游戏。...// Rolled a 3 // Rolled a 5 // Rolled a 4 // Rolled a 5 // The game lasted for 4 turns” ---- 下面代码的高亮截图
代码 #include #include #include #include #include #include
如果叠不出来输出0 要注意的是1972题里必须按输入的骰子的顺序叠,而这里可以任意顺序,这样难度就大很多了 由于只有10个骰子就可以用二进制来记录骰子的使用情况,再DP解决 贴代码: /* 状态压缩+DP...(~(1 0 */ #include #include #include using namespace std; int dice..., 0, sizeof(dice)); memset(maxs, 0, sizeof(maxs)); memset(dp, 0, sizeof(dp));...cin>>n; for(i = 0; i < n; i ++) for(j = 0; j < 6; j ++) cin>>dice...= sd[k]) maxs[i][j] = max(maxs[i][j], dice[i][k]); //DP 计算dp[i][j1]
SetConsoleTextAttribute consolehwnd = GetStdHandle(STD_OUTPUT_HANDLE); GetStdHan...
2048 Game 题目链接 A. 2048 Game time limit per test 1 second memory limit per test 256 megabytes input standard...input output standard output You are playing a variation of game 2048....You have to determine if you can win this game. You have to answer qq independent queries.
发现关键字the eighth circle of Hell,Google这个可以发现是和《神曲》有关,而且搜索到的第一条就是
由于其类型是RandomNumberGenerator,Dice类中的代码只能以适用于所有符合此协议的生成器的方式与generator交互。这意味着它不能使用由生成器底层类型定义的任何方法或属性。...a new game of Snakes and Ladders”) } print(“The game is using a (game.dice.sides)-...在本例中,它检查game是否实际上是幕后SnakesAndLadders的实例,如果是,则打印适当的消息。 gameDidStart(_:)方法还访问传递game参数的dice属性。...= tracker game.play() // Started a new game of Snakes and Ladders // The game is using a 6-sided dice...// Rolled a 3 // Rolled a 5 // Rolled a 4 // Rolled a 5 // The game lasted for 4 turns 通过扩展添加协议一致性 即使您无法访问现有类型的源代码
虽然说是project,但其实代码量不大。难度也不高,需要了解一点Python的基础语法和基本的函数式编程的思想。如果对于函数式编程还不太熟悉的,可以去历史记录里回看一下上一篇文章。...整个项目的代码量并不大,但代码质量很高,非常严谨符合规范。非常适合新手学习,既可以加深理解,也可以提高代码质量和设计规范。 由于原文档为英文,对于一些小伙伴来说可能比较吃力。...想要查看完整的代码+实现的同学可以点击【阅读原文】访问我的GitHub仓库。...assert opponent_score < 100, 'The game should be over....assert opponent_score < 100, 'The game should be over.
水题:判断单词有几个 刚开始没仔细想 仅仅判断了空格和空格的个数+1就是单词的个数,后来wa后仔细读读,他说连续的字母是一个单词所以abc!abc这就是两个单...
这种格式使它们易于在代码编辑器中编写,而第 154 到 157 行中的代码将它们显示在屏幕上。注意,因为三个骰子显示在一起,所以这段代码必须一次在骰子面上打印每一行水平文本。..."""Lucky Stars, by Al Sweigart email@protected A "press your luck" game where you roll dice to gather...Inspired by the Zombie Dice game from Steve Jackson Games....On your turn, you pull three random dice from the dice cup and roll them....There are 6 Gold dice, 4 Silver dice, and 3 Bronze dice in the cup.
2102: [Usaco2010 Dec]The Trough Game Time Limit: 10 Sec Memory Limit: 64 MB Submit: 117 Solved: 84
game, two dice are rolled in a bamboo cup by the dealer sitting on the floor....这就是第 57 行的JAPANESE_NUMBERS[dice1]和JAPANESE_NUMBERS[dice2]如何在一行代码中显示骰子结果的日语单词。..."""Cho-Han, by Al Sweigart email@protected The traditional Japanese dice game of even-odd....game, two dice are rolled in a bamboo cup by the dealer sitting on the floor....True: # Main game loop
一開始想DP一步步迭代更新,求出跳到最后一个的最小步数,可是时间复杂度O(nk),会超时。
Flipping Game time limit per test 1 second memory limit per test 256 megabytes...input standard input output standard output Iahub got bored, so he invented a game to...The goal of the game is that after exactly one move to obtain the maximum number of ones....Write a program to solve the little game of Iahub.
: craps)Craps is a popular dice game played in casinos....Write a program to play a variation of the game, as follows:Roll two dice....Check the sum of the two dice....Continue to roll the dice until either a 7 or the same point value is rolled....8 You rolled 6 + 2 = 8 You win You rolled 3 + 2 = 5 point is 5 You rolled 2 + 5 = 7 You lose 下面是参考答案代码
Write a program to score a game of Ten-Pin Bowling....The game score is the total of all frame scores....Yatzy The game of yatzy is a simple dice game. Each player rolls five six-sided dice....these four dice....of yatzy is a simple dice game.
领取专属 10元无门槛券
手把手带您无忧上云