Math

2020-07-26 Atcoder ABC173
2019-12-04 Atcoder Sumitomo Mitsui Trust Bank Programming Contest 2019
2019-11-27 Atcoder ABC142
2019-11-26 Atcoder ABC146
2019-11-11 Atcoder ABC144
2019-11-05 Atcoder ABC143
2019-10-21 Leetcode 1228 Missing Number In Arithmetic Progression
2019-10-21 Leetcode 1232 Check If It Is a Straight Line
2019-04-18 Atcoder ABC121
2019-01-26 CF 1102E
2019-01-26 CF 1102A