当前标签：math

Codeforces Global Round 11 A. Avoiding Zero（前缀和）

Kanoon 2020-10-13 23:20 阅读:155 评论:0 推荐:0

Codeforces Round #657 (Div. 2) B. Dubious Cyrpto（数论）

Kanoon 2020-07-20 16:45 阅读:261 评论:0 推荐:2

Codeforces Round #656 (Div. 3) A. Three Pairwise Maximums

Kanoon 2020-07-18 01:00 阅读:241 评论:0 推荐:0

Educational Codeforces Round 91 (Rated for Div. 2) D. Berserk And Fireball

Kanoon 2020-07-13 23:59 阅读:363 评论:0 推荐:0

Codeforces Round #655 (Div. 2) C. Omkar and Baseball

Kanoon 2020-07-12 21:09 阅读:289 评论:0 推荐:0

Codeforces Round #655 (Div. 2) B. Omkar and Last Class of Math

Kanoon 2020-07-12 20:58 阅读:261 评论:0 推荐:0

Codeforces Global Round 9 E. Inversion SwapSort

Kanoon 2020-07-07 23:25 阅读:182 评论:0 推荐:0

Codeforces Global Round 9 A. Sign Flipping

Kanoon 2020-07-06 22:21 阅读:217 评论:0 推荐:0

Codeforces Round #603 (Div. 2) C. Everyone is a Winner!（数论）

Kanoon 2020-06-30 23:30 阅读:119 评论:0 推荐:0

Codeforces Round #603 (Div. 2) A. Sweet Problem（数学）

Kanoon 2020-06-30 23:15 阅读:203 评论:0 推荐:0

Educational Codeforces Round 90 (Rated for Div. 2) C. Pluses and Minuses（差分）

Kanoon 2020-06-26 23:45 阅读:298 评论:2 推荐:2

Educational Codeforces Round 90 (Rated for Div. 2) A. Donut Shops（数学）

Kanoon 2020-06-26 23:06 阅读:198 评论:0 推荐:0

Codeforces Round #604 (Div. 2) C. Beautiful Regional Contest（贪心）

Kanoon 2020-06-25 17:31 阅读:203 评论:0 推荐:0

Codeforces Round #652 (Div. 2) D. TediousLee（dp）

Kanoon 2020-06-24 20:42 阅读:299 评论:0 推荐:0

Codeforces Round #652 (Div. 2) C. RationalLee（贪心）

Kanoon 2020-06-24 20:40 阅读:261 评论:0 推荐:0

Codeforces Round #652 (Div. 2) A. FashionabLee（几何）

Kanoon 2020-06-24 20:30 阅读:193 评论:0 推荐:0

Codeforces Round #651 (Div. 2) A. Maximum GCD（数论）

Kanoon 2020-06-22 22:10 阅读:188 评论:0 推荐:0

Codeforces Round #651 (Div. 2) B. GCD Compression（数论）

Kanoon 2020-06-22 21:55 阅读:239 评论:0 推荐:0

Codeforces Round #651 (Div. 2) C. Number Game（数论）

Kanoon 2020-06-21 18:45 阅读:390 评论:0 推荐:0

Codeforces Global Round 8 A. C+=（贪心）

Kanoon 2020-06-19 11:15 阅读:226 评论:0 推荐:1