摘要：
Link:https://codeforces.com/problemset/problem/1487/D description: Find the numbers of triples$(a,b,c)$s.t.$a2+b2=c^2$and \(a^2=b+c\), where 1≤a≤b≤c≤n 阅读全文
posted @ 2021-02-22 16:16
_dwt
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摘要：
Link: https://codeforces.com/problemset/problem/1487/B description: Cat A sleep from \(n\) downto 1 per hour, while cat B sleep from 1 to n per hour i 阅读全文
posted @ 2021-02-22 09:48
_dwt
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