equal

1060 Are They Equal (25 分) If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123×10​5​​ with simple chopping. Now given the number of significant digits on a machine and two float numbers, you are supposed to tell if they are treated equal in that machine. Input Specification: Each input file contains one test case which gives three numbers N, A and B, where N (<100) is the number of significant digits, and A and B are the two float numbers to be compared. Each float number is non-negative, no greater than

+ plus 加号；正号 - minus 减号；负号 ± plus or minus 正负号 × is multiplied by 乘号 ÷ is divided by 除号 ＝ is equal to 等于号 ≠ is not equal to 不等于号 ≡ is equivalent to 全等于号 ≌ is equal to or approximately equal to 等于或约等于号 ≈ is approximately equal to 约等于号 ＜ is less than 小于号 ＞ is more than 大于号 ≮ is not less than 不小于号 ≯ is not more than 不大于号 ≤ is less than or equal to 小于或等于号 ≥ is more than or equal to 大于或等于号 % per cent 百分之... ‰ per mill 千分之... ∞ infinity 无限大号 ∝ varies as 与...成比例 √ (square) root 平方根 ∵ since; because 因为 ∴ hence 所以 ∷ equals, as (proportion) 等于，成比例 ∠ angle 角 ⌒ semicircle 半圆 ⊙ circle 圆 ○ circumference 圆周

+　 plus　加号；正号 -　 minus　减号；负号 ±　plus or minus　正负号 ×　is multiplied by　乘号 ÷　is divided by　除号 ＝　is equal to　等于号 ≠　is not equal to　不等于号 ≡　is equivalent to　全等于号 ≌　is equal to or approximately equal to　等于或约等于号 ≈　is approximately equal to　约等于号 ＜　is less than　小于号 ＞　is more than　大于号 ≮　is not less than　不小于号 ≯　is not more than　不大于号 ≤　is less than or equal to　小于或等于号 ≥　is more than or equal to　大于或等于号 %　 per cent　百分之… ‰　per mill　千分之… ∞　infinity　无限大号 ∝　varies as　与…成比例 √　(square) root　平方根 ∵　since; because　因为 ∴　hence　所以 ∷　equals, as (proportion)　等于，成比例 ∠　angle　角 ⌒　semicircle　半圆 ⊙　circle　圆 ○　circumference　圆周 π

453. Minimum Moves to Equal Array Elements Easy Given a non-empty integer array of size n , find the minimum number of moves required to make all array elements equal, where a move is incrementing n - 1 elements by 1. Example: Input: [1,2,3] Output: 3 Explanation: Only three moves are needed (remember each move increments two elements): [1,2,3] => [2,3,3] => [3,4,3] => [4,4,4] package leetcode.easy; public class MinimumMovesToEqualArrayElements { public int minMoves(int[] nums) { if (nums == null || nums.length == 0) { return 0; } int min = nums[0]; for (int i = 0; i < nums.length; i++) { min

C. Swap Letters time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Monocarp has got two strings s s and t t having equal length. Both strings consist of lowercase Latin letters " a" and " b". Monocarp wants to make these two strings s s and t t equal to each other. He can do the following operation any number of times: choose an index p o s 1 pos1 in the string s s, choose an index p o s 2 pos2 in the string t t, and swap s p o s 1 spos1 with t p o s 2 tpos2. You have to determine the minimum number of operations Monocarp has to

You are given two strings s s and t t both of length n n and both consisting of lowercase Latin letters. In one move, you can choose any length l e n len from 1 1 to n n and perform the following operation: Choose any contiguous substring of the string s s of length l e n len and reverse it; at the same time choose any contiguous substring of the string t t of length l e n len and reverse it as well. Note that during one move you reverse exactly one substring of the string s s and exactly one substring of the string t t. Also note that borders of substrings you reverse in s s and in t t can be

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: How do I check if two objects, e.g. dataframes, are value equal in R? By value equal, I mean the value of each row of each column of one dataframe is equal to the value of the corresponding row and column in the second dataframe. 回答1: It is not clear what it means to test if two data frames are "value equal" but to test if the values are the same, here is an example of two non-identical dataframes with equal values: a To test if all values are equal: all(a == b) # TRUE To test if objects are identical (they are not, they have different

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I wonder what the difference is between those operations. I have seen similar questions in Stack Overflow but they are about Lisp, and there is not a comparison between three of those operators. So if this has been asked already, please let me know. I am writing the different types of commands in Scheme, and I get the following outputs: (eq? 5 5) -->#t (eq? 2.5 2.5) -->#f (equal? 2.5 2.5) --> #t (= 2.5 2.5) --> #t Can someone explain why this is the case? 回答1: I'll answer this question incrementally. Let's start with the = equivalence

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Say I have two lists of lists in Python, l1 = [[ 'a' , 1 ], [ 'b' , 2 ], [ 'c' , 3 ]] l2 = [[ 'b' , 2 ], [ 'c' , 3 ], [ 'a' , 1 ]] What is the most elegant way to test they are equal in the sense that the elements of l1 are simply some permutation of the elements in l2 ? Note to do this for ordinary lists see here , however this uses set which does not work for lists of lists. 回答1: l1 = [[ 'a' , 1 ], [ 'b' , 2 ], [ 'c' , 3 ]] l2 = [[ 'b' , 2 ], [ 'c' , 3 ], [ 'a' , 1 ]] print sorted ( l1 ) == sorted ( l2 ) Result: True 回答2: Set

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I'm new to Javascript and was reading up on it, when I came to a chapter that described function recursion. It used an example function to find the nth number of the Fibonacci sequence. The code is as follows: function fibonacci ( n ) { if ( n < 2 ){ return 1 ; } else { return fibonacci ( n - 2 ) + fibonacci ( n - 1 ); } } console . log ( fibonacci ( 7 )); //Returns 21 I'm having trouble grasping exactly what this function is doing. Can someone explain what's going on here? I'm getting stuck on the 5th line, where the function