二分 7

• Codeforces - 1166C - A Tale of Two Lands May 19, 2019
• 牛客小白月赛 12 Mar 9, 2019
• Codeforces 1084B - Kvass and the Fair Nut - 二分 Dec 11, 2018
• Codeforces-985D - Sand Fortress - 二分 & 贪心 May 22, 2018
• UPC-5559 - Base Station Sites - 二分 Apr 5, 2018
• UPCOJ-5531 [COCI 2017-2018-1] - Deda - 线段树 + 二分 Jan 31, 2018
• UPCOJ-4120 - 划分序列 - 二分 Jan 22, 2018