2020
- 2020-01-222020 CCPC Wannafly Winter Camp Day1 - I. K小数查询(分块)
- 2020-01-21ZOJ - 3203 Light Bulb(三分)
- 2020-01-21POJ - 1845 Sumdiv(分治)
- 2020-01-19Codeforces Round 602 (Div. 2, based on Technocup 2020 Elimination Round 3) - D2. Optimal Subsequences (Hard Version)(主席树)
- 2020-01-15Educational Codeforces Round 79 (Rated for Div. 2) - D. Santa's Bot(数论)
- 2020-01-15Codeforces Global Round 6 - D. Decreasing Debts(思维)
- 2020-01-15Codeforces Round 608 (Div. 2) - D. Portals(贪心)
- 2020-01-10Codeforces Round 606 (Div. 2) - E. Two Fairs(割点+dfs)
