1000ms 131072K Let S be a sequence of integers s1, s2, ......, sn Each integer is associated with a weight by the following rules: (1) If is negative, then its weight is 0. (2) If is greater th
文章目录 一、题目二、题解 一、题目 Given an integer array nums, return all the different possible non-decreasing subsequences of the given array with at least two elements. You may return the answer in any
Decreasing String—CF1886C 代码我现在还不是很理解,群友说是单调栈。 C o d e Code Code #include <bits/stdc++.h>#define int long long#define sz(a) ((int)a.size())#define all(a) a.begin(), a.end()using namespace std;