#include <iostream> #include <string> #include <vector> #include <queue> using namespace std; //分奇数偶数队列 //默认N是偶数, 过了0.91的样例 int main() { int N, M; cin >> N >> M; vector<int> operation; queue<int> a, b; int m; for (int i = 0; i < M; i++) { c...