2020.07.12 2020牛客暑期多校训练营(第一场)
2020.07.13 2020牛客暑期多校训练营(第二场)
atcoder AIsing Programming Contest 2020 cjy D xx E zrx F
Codeforces Round #655 (Div.2) cjy E xx F
2020牛客暑期多校训练营(第一场)zrx B cjy D/E xx A/H/I
2020牛客暑期多校训练营(第二场)xx A cjy K zjx G
Educational Codeforces Round 91 zrx C cjy D xx E zrx F cjy G
prufer序列 和 KKT条件下的约束规划问题
2020.07.10 Codeforces Round #607 (Div.1)
2020.07.11 Codeforces Round #655 (Div.2)
AtCoder AIsing Programming Contest A/B/C/D/E
2020牛客暑期多校训练营(第一场)E
2020.7.13 2020牛客暑期多校训练营(第二场)K
2020.7.11 Codeforces Round #655 (Div. 2)
EDU91 C,F
牛客1 B
牛客2 G
Atcoder AISING F
2020.7.11 AtCoder AIsing Programming Contest 2020
2020.7.11 Codeforces Round #655 (Div. 2)
2020.7.12 2020牛客暑期多校训练营(第一场)
2020.7.13 2020牛客暑期多校训练营(第二场)
AtCoder AIsing Programming Contest 2020 E
Codeforces Round #655 (Div. 2) F
2020牛客暑期多校训练营(第一场)H/I
Educational Codeforces Round 91 E
2020牛客暑期多校训练营(第二场)A