记录一下 什么是 with dice coeffcients?(本帖子不是专业的,只是在审稿的时候遇见了 所以就顺手查找一下并记录下来) Dice系数和mIoU是语义分割的评价指标。 With Dice coefficients(Dice系数)是一种用于评估两个集合相似度的统计量,它在生物信息学、文本分析和其他需要比较集合相似度的领域中非常有用。Dice系数是由Lee J. Burrow
原题: n common cubic dice are thrown. What is the probability that the sum of all thrown dice is at least x? Input The input file contains several test cases. Each test case consists two integers n (
题目 一个n面的骰子,求期望掷几次能使得每一面都被掷到。 link 题解 一个期望DP的常用状态设计方法: dp[i]表示当前已选了 i i i 种点数,还需一直选到 n n n 种点数的丢骰子数的期望。 显然dp[n]=0,答案为dp[0] 现在考虑转移: 则每次丢骰子有两种状态。 和之前的点数一样,有 i n \frac{i}{n} ni 的概率出现。记为 X X
n common cubic dice are thrown. What is the probability that the sum of all thrown dice is at least x? Input Input starts with an integer T (≤ 200), denoting the number of test cases. Each test case
C. Polycarpus’ Dice time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Polycarp has n dice d1, d2, …, dn. The i-th dice shows numbers from 1
计蒜客:https://nanti.jisuanke.com/t/43468 题目描述: Recently your town has been infested by swindlers who convince unknowing tourists to play a simple dice game with them for money. The game works as follo