摘要：1515: Play whit bear kid时间限制:1 Sec内存限制:128 MB提交:3解决:2题目描述Happy Spring Festival everyone! Many relatives will visit your house, of course they have bea... 阅读全文

摘要：The SnailA snail is at the bottom of a 6-foot well and wants to climb to the top. The snail can climb 3 feet while the sun is up, but slides down 1 foot at night while sleeping. The snail has a fatigue factor of 10%, which means that on each successive day the snail climbs 10%3 = 0.3 feet less than 阅读全文