Today is the 853rd day of learning programming with the cool rain! Hello, everyone! This is the problem from the CSP-J2025 Preliminary Round. Day 853 CSP2025-J Preliminary Round Problem 3 Answer: B START OF SPRING The problem tests the use of recursive functions 20 25 9 SEPTEMBER Day Monday Tuesday Wednesday Thursday Friday Saturday Sunday … Read more
Today is the 852nd day of learning programming with a slightly cold rain! Hello, everyone! This is the problem from the CSP-J2025 Preliminary Round. Day 852 CSP2025-J Preliminary Round 2. In C++, what is the output of the following code: int x=255; cout<<(x&(x-1));? Answer: B START OF SPRING The explanation: First, from the conclusion perspective, … Read more
Today is the 851st day of learning programming with the cool rain! Hello, everyone! This is the problem set for the CSP-J2025 Preliminary Round. Day 851 CSP2025-J Preliminary Round 1. What is the maximum value that can be represented by a 32-bit unsigned integer, which is closest to the following options? () Answer: A START … Read more