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After a team finished their training session on Euro football championship, Valeric was commissioned to gather the balls and sort them into baskets. O 阅读全文
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原题链接:https://codeforces.com/problemset/problem/350/B Valera's finally decided to go on holiday! He packed up and headed for a ski resort. Valera's fan 阅读全文
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Description A supermarket has a set Prod of products on sale. It earns a profit px for each product x∈Prod sold by a deadline dx that is measured as a 阅读全文
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贪心 加 优先队列 You can perfectly predict the price of a certain stock for the next N days. You would like to profit on this knowledge, but only want to tra 阅读全文
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原题链接:https://codeforces.com/problemset/problem/8/A Peter likes to travel by train. He likes it so much that on the train he falls asleep. Once in summ 阅读全文
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原题链接:https://codeforces.com/problemset/problem/1110/B?tdsourcetag=s_pcqq_aiomsg You have a long stick, consisting of mm segments enumerated from 11 to 阅读全文