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2020牛客国庆集训派对day4 J-Jokewithpermutation(DFS)

liyexin 2020-10-05 21:06 阅读:122 评论:0 推荐:0

约数个数求解+约数求和(唯一分解定理)(遍历map的写法！)

liyexin 2020-10-03 21:00 阅读:442 评论:0 推荐:0

[蓝桥杯][2013年第四届真题]危险系数(DFS)

liyexin 2020-10-03 19:52 阅读:194 评论:0 推荐:0

Codeforces Round #674 (Div. 3)(A->D(前缀和出现次数))

liyexin 2020-10-01 23:04 阅读:173 评论:0 推荐:0

Codeforces Round #673 (Div. 2)B. Two Arrays(贪心)

liyexin 2020-09-30 19:33 阅读:79 评论:0 推荐:0

Codeforces Round #672 (Div. 2)(A->C2)(B位运算，C贪心，DP)

liyexin 2020-09-25 22:14 阅读:193 评论:0 推荐:0

质数笔记

liyexin 2020-09-24 21:15 阅读:157 评论:0 推荐:0

2020 CCPC - 网络赛 6890 Express Mail Taking(思维)

liyexin 2020-09-23 19:49 阅读:190 评论:0 推荐:0

2020 CCPC - 网络赛 1011 3x3 Convolution(矩阵)(较详细的解析)

liyexin 2020-09-23 16:22 阅读:344 评论:0 推荐:0

Codeforces Round #671 (Div. 2)(A->D2(构造))

liyexin 2020-09-21 21:11 阅读:224 评论:0 推荐:0