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Problem C: 修路 Description SNJ位于HB省西部一片群峰耸立的高大山地，横亘于A江、B水之间，方圆数千平方公里，相传上古的神医在此搭架上山采药而得名。景区山峰均在海拔3000米以上，堪称"华中屋脊"。SNJ是以秀绿的亚高山自然风光，多样的动植物种，人与自然和谐共存为主题的森林 阅读全文
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C. Good Array time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Good Array time limit pe 阅读全文
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B. Taxi drivers and Lyft time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Taxi drivers 阅读全文
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There is a company that has N employees(numbered from 1 to N),every employee in the company has a immediate boss (except for the leader of whole compa 阅读全文
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During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Generally speaking, vil 阅读全文
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A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secret weapon to eliminate the battleships. Ea 阅读全文
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For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultim 阅读全文
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Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones. Your task is counting the segme 阅读全文