人间烟火zzcemt

--- highlight: monokai-sublime --- # 第一次签牛客挑战赛，超高兴的 ``` #include <bits/stdc++.h> using i64 = long l

--- highlight: monokai-sublime --- # 前缀和 ＋ upper_bound ``` #include <bits/stdc++.h> using i64 = lo

--- highlight: monokai-sublime --- # 思维 ``` 上取整公式 (a+b-1)/b ``` ``` #include <bits/stdc++.h> using

思维1 = ``` #include <bits/stdc++.h> using namespace

思维1 = ``` #include <bits/stdc++.h> using namespace

思维1 = ``` x表示当前数的个数，k表示当前区间个数 f(x，k) if(x ＞ k) f(x，

思维1 = ``` max((a[i] - a[j])， a[i] + a[j]) ＝ abs(a[i

区间取交集求长度1 = ``` [a, b], [c, d] max(0, min(b, d) - m

--- highlight: monokai-sublime --- 分类讨论 = ``` #include <bits/stdc++.h> using namespace std; typedef