2021中國大學生程序設計競賽(CCPC)- 網絡選拔賽(重賽)
Nun Heh Heh Aaaaaaaaaaa Problem Description Vasily Tadokorov is a stringologist. He thinks a str ...
Nun Heh Heh Aaaaaaaaaaa Problem Description Vasily Tadokorov is a stringologist. He thinks a str ...
自己還是太菜了,五個小時一個題也沒磕出來,還是隊友牛逼!... Primality Test 先看這個題,可能一上去就被\(\frac{f(x)+f(f(x))}{2}\)向下取整嚇住了,但仔細想 ...
CDN流量調度問題 題看了沒多久就看出來是\(DP\)的題,然后就設了狀態\(f[i][j]\)表示到前\(i\)個點時已經用了\(j\)個節點的最小總代價,結果發現轉移時\(O(nm^2)\),但 ...