例题:
资料
https://blog.youkuaiyun.com/mgsky1/article/details/90612888?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522161674648216780266270768%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=161674648216780266270768&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allfirst_rank_v2~rank_v29-4-90612888.first_rank_v2_pc_rank_v29_10&utm_term=%E7%AE%97%E6%B3%95%E6%8B%AC%E5%8F%B7%E5%8C%B9%E9%85%8D%E4%BE%8B%E9%A2%98&spm=1018.2226.3001.4187
蓝桥杯 算法训练 Sereja and Squares