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2022-2023学年英语周报高三课标外研第17期答案汇总

进入查看:2022-2023学年英语周报高三课标外研第17期答案汇总   African penguins (Spheniscus demersus) bear the unfortunate nickname “jackass penguins” because they communicate through honking, donkey-like sounds. Laugh at them if you like, but a new study sugge

2022-2023学年英语周报七年级第24期答案及试题

进入查看:2022-2023学年英语周报七年级第24期答案及试题   African penguins (Spheniscus demersus) bear the unfortunate nickname “jackass penguins” because they communicate through honking, donkey-like sounds. Laugh at them if you like, but a new study suggests

牛客多校2021(二)I.Penguins(BFS)

题目:Penguins 题意:给出两张20 * 20的地图,起点1为(20, 20),起点2为(20, 1),终点1为(1, 20),终点2为(1, 1),两个企鹅需要分别从起点1->终点1、起点2->终点2,若企鹅1向上或向下走,企鹅2执行相同操作,若企鹅1向左或向右走,则企鹅2执行相反操作,求企鹅1到达终点1且企鹅同时到达终点2的最短路

Penguins(bfs 较难的题目)

#include <bits/stdc++.h> using namespace std; #define pii pair<int, int> #define ff first #define ss second const int N = 22; struct node { int x1, y1, x2, y2; // 四个坐标 vector<pii > A1; vector<pii > A2; string ans; /