题目传送门：AtCoder Regular Contest 125。 目录 A - Dial Up B - Squares C - LIS to Original S ...

Discussion and Conclusion After viewing these maps, what should immediately appear is the level of ...

题目传送门：LOJ #3160。 简要题意： 有一个长度为 \(n\) 的序列 \(a\)，初始时 \(a_i=i\) 或 \(a_i=i^2\)，这取决于 \(\mathrm{type}\) 的 ...

题目传送门：AtCoder Regular Contest 107。 目录 A - Simple Math B - Quadruple C - Shuffle Per ...

题目传送门：AtCoder Regular Contest 108。 目录 A - Sum and Product B - Abbreviate Fox C - Ke ...