daliy

daliy总结

D1. Divan and Kostomuksha (easy version) 2100 (dp 数论) https://codeforces.com/problemset/problem/1614/D1 题解:本题应使用dp,观察每一种解的共同点,有开始点和最终gcd值两种可枚举状态,然而开始点 ......
daliy

daliy

D. For Gamers. By Gamers. (思维)2000 https://codeforces.com/problemset/problem/1657/D 题解:式子很好列,HD<=x*hd,但由于x为整数,无法维护c/hd的值进行二分,我们进一步观察,发现C<=1e6,且对于有相同c的 ......
daliy
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