Programmer Think

190. Reverse binary Simple difficulty Inverts the binary bits of a given 32-bit unsigned integer. Tips: Note that in some languages, such as Java, there is no unsigned integer type. In this case, both input and output will be specified as signed integer types and should not affect your implementation, because the internal binary representat ...

Abundance of Codeforces [by_041] Codeforces Round #721 (Div. 2) Codeforces Round #721 (Div. 2) A. And Then There Were K Problem - A - Codeforces The meaning of the question is to seek satisfaction[ n & ( n ...

Question A Zhinai's Hello XXXX (sign in) Output \ (\ text{hello xxx} \), where xxx can be any string Just output whatever you want to sign in, but it's still recommended to follow a string composed of ASCII code to prevent random code. print("hello world") Question B Wisdom is buying melons (01 backpack) Now there are \ (n \) melons, and th ...

Meaning of question A Give you a string and let you calculate how many pairs of adjacent letters there are, For example, a and b, b and c are two pairs of adjacent letters, while a and c, a and z are not. (Note: the letters on any two subscripts can become adjacent pairs. For example, for the string "adfb", the character 'a' with sub ...

title : Codeforces Round #767 (Div. 2) date : 2022-1-23 Tags: ACM, practice notes author : Linno Title link: https://codeforces.com/contest/1629 Test progress: 4/7 A-Download More RAM Give you the initial memory capacity k and n expansion packs. If your current memory is larger than the expansion pack's requirement ai, you can increase th ...

Question A Plus One on the Subset (sign in) There are \ (T(1\leq T \leq 10^4) \) groups of data. Given an array \ (\ {a_n \} \) with a length of \ (n \), you can perform multiple operations. In each operation, you can add 1 to the value of any element. How many operations are required at least to make the values of all numbers in the array the ...

Better reading experience: http://www.abmcar.top/archives/codeforceshello2022 Complete source code: https://github.com/abmcar/ACM/tree/master/OpenjudgeNow/Codeforces/Hello%202022 Tip from the front row: the questions in this field are very disgusting and are not recommended A. Stable Arrangement of Rooks Main idea of the topic: give you a bo ...

Full code: https://github.com/abmcar/ACM/tree/master/OpenjudgeNow/Codeforces/Good%20Bye%202021-2022%20is%20NEAR Better reading experience: http://www.abmcar.top/archives/goodbye20212022isneara-d-ti-jie A. Integer Diversity Give you n numbers, you can choose any number to multiply by - 1, and ask how many different numbers you can get at mos ...

This question is also a board question, which is very similar to the previous question, that is, multiple counting and storage. It was explained in detail in the previous blog post. Then this question talked about maxn. It must be + 5 / + 10 when taking the size of the array, especially when manually assigning the size, such as ans[1000], it is ...

Network flow - bipartite graph matching - pilot pairing scheme problem - network flow question 24 - Luogu P2756 Title Description There are n pilots in total, including M foreign pilots and (n - m) British pilots. Foreign pilots are numbered from 1 to m and British pilots are numbered from m + 1 to n. For a given cooperation between foreign p ...