Tony's Log

摘要： Apparently it is by a backwards derivation solution. Say energy at h[i] is e, the next energy at h[i+1] is 2*e - h[i+1] => e', so backwards, e = ceil(... 阅读全文

摘要： We match larger in array_a with smaller in array_b, by which we can have as even sum as possible, so we don't have too small sums.#include #include #i... 阅读全文