After several latest reforms many tourists are planning to visit Berland, and Berland people understood that it's an opportunity to earn money and changed their jobs to attract tourists. Petya, for example, left the IT corporation he had been working for and started to sell souvenirs at the market.After several latest reforms many tourists
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Educational Codeforces Round 21 Problem E(Codeforces 808E) - 动态规划 - 贪心
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