2018-4-25日训练赛摘要
今天的训练赛本来可以出8个题,但是因为我个人的问题导致A题写残了,F题没交上。 B题队友跟我说了一声可能是最大权闭合子图,我大概瞟了一眼觉得有点像,但是没有多想,就去开当时还没人交的A题了,结果一顿乱敲写完之后测了几组样例发现有没过的,以为是想错了,想了一会没想出来就着手写B了,很简单的最大权闭合子图写了接近半小时,写完之后还剩50分钟开始写F,...
今天的训练赛本来可以出8个题,但是因为我个人的问题导致A题写残了,F题没交上。 B题队友跟我说了一声可能是最大权闭合子图,我大概瞟了一眼觉得有点像,但是没有多想,就去开当时还没人交的A题了,结果一顿乱敲写完之后测了几组样例发现有没过的,以为是想错了,想了一会没想出来就着手写B了,很简单的最大权闭合子图写了接近半小时,写完之后还剩50分钟开始写F,...
题目链接:http://exam.upc.edu.cn/problem.php?id=5124题目:题目描述Flow Free is a puzzle that is played on a 2D grid of cells, with some cells marked as endpoints of certain colors and the rest of cells being b...
题目链接:http://exam.upc.edu.cn/problem.php?id=5121题目:题目描述Alice and Bob are in their class doing drills on multiplication and division. They quickly get bored and instead decide to play a game they inv...
题目链接:http://exam.upc.edu.cn/problem.php?id=5122题目:题目描述Mapping applications often represent the boundaries of countries, cities, etc. as polylines, which are connected sequences of line segments. Si...
题目链接:http://exam.upc.edu.cn/problem.php?id=5120题目:题目描述Open-pit mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. Open-p...