NOI / 小学奥数20题OpenJudge - OpenJudge - 题目C编程与信息学竞赛数学思维2026.06【数学思维】01-变量及输入输出https://www.luogu.com.cn/training/675222【数学思维】02-用单位正方形/体理解数学问题https://www.luogu.com.cn/training/675221【数学思维】03-基本运算的理解https://www.luogu.com.cn/training/675220【数学思维】04-数列问题https://www.luogu.com.cn/training/675219【数学思维】05-递推及递推问题求解https://www.luogu.com.cn/training/675218【数学思维】06-一维和二维数表https://www.luogu.com.cn/training/675217【数学思维】07-方向、位置和直角坐标系https://www.luogu.com.cn/training/675216【数学思维】08-网格坐标系及网格问题https://www.luogu.com.cn/training/675215【数学思维】09-初等几何问题https://www.luogu.com.cn/training/675214【数学思维】10-初等数论问题https://www.luogu.com.cn/training/675213【数学思维】11-集合论基础https://www.luogu.com.cn/training/675212【数学思维】12-组合数学初探https://www.luogu.com.cn/training/675211《C编程和信息学竞赛数学基础》【数学基础】01-初等数学基础https://www.luogu.com.cn/training/675206【数学基础】02-数列问题及递推和递归https://www.luogu.com.cn/training/675205【数学基础】03-初等几何https://www.luogu.com.cn/training/675204【数学基础】03-初等几何-CSDN博客【数学基础】04-进制及进制转换https://www.luogu.com.cn/training/675203【数学基础】05-数论基础https://www.luogu.com.cn/training/675202【数学基础】06-初等代数https://www.luogu.com.cn/training/675201【数学基础】07-集合论https://www.luogu.com.cn/training/675200【数学基础】08-组合数学https://www.luogu.com.cn/training/675199第8章 组合数学《C编程与信息学竞赛数学基础》-CSDN博客【数学基础】09-图论基础https://www.luogu.com.cn/training/675198【数学基础】10-树及二叉树https://www.luogu.com.cn/training/675197【数学基础】11-概率论基础https://www.luogu.com.cn/training/675196【数学基础】12-逻辑学基础https://www.luogu.com.cn/training/675195【数学基础】13-编码及译码https://www.luogu.com.cn/training/675194【数学基础】14-博弈论基础https://www.luogu.com.cn/training/675193第14章 博弈论基础《C编程与信息学竞赛数学基础》_c编程与信息学竞赛数学基础pdf-CSDN博客【数学基础】15-算法及算法复杂度https://www.luogu.com.cn/training/675192《离散数学及其应用》【离散数学】第1章-命题逻辑https://www.luogu.com.cn/training/378629【离散数学】第2章-谓词逻辑https://www.luogu.com.cn/training/378628【离散数学】第3章-集合与关系(1)https://www.luogu.com.cn/training/378627【离散数学】第3章-集合与关系(2)https://www.luogu.com.cn/training/378626【离散数学】第4章、第5章https://www.luogu.com.cn/training/378624【离散数学】第6章、第7章https://www.luogu.com.cn/training/378623【离散数学】第8章-图论理论(1)https://www.luogu.com.cn/training/378619【离散数学】第8章-图论理论(2)https://www.luogu.com.cn/training/378617中学生计算机程序算法入门例题精析与训练欢迎来到梅拉算智第4章数论问题例题按位异或ABC213A-Bitwise Exclusive Or140Atcoder Beginner Round 213Atcoder Beginner Round 213_atcoder beginner contest 213-CSDN博客四个点ABC246A-Four Points141AtCoder Beginner Contest 246AtCoder Beginner Contest 246_abc246c-CSDN博客向右移动ABC247A-Move Right143AtCoder Beginner Contest 247AtCoder Beginner Contest 247-CSDN博客十六进制ABC271A-484558144AtCoder Beginner Contest 271AtCoder Beginner Contest 271_atcoder 271c-CSDN博客习题比萨ABC238B-Pizza147AtCoder Beginner Contest 238https://blog.csdn.net/dllglvzhenfeng/article/details/144752002长序列ABC220C-Long Sequence148Atcoder Beginner Contest 220https://blog.csdn.net/dllglvzhenfeng/article/details/144700287日历验证器ABC225C-Calendar Validator149Atcoder Beginner Contest 225https://blog.csdn.net/dllglvzhenfeng/article/details/144701478最后一张卡ABC227A-Last Card150AtCoder Beginner Contest 227https://blog.csdn.net/dllglvzhenfeng/article/details/144687411地震震级尺度ABC221A-Seismic magnitude scales151AtCoder Beginner Contest 221https://blog.csdn.net/dllglvzhenfeng/article/details/144697411K进制ABC220B-Base K152Atcoder Beginner Contest 220https://blog.csdn.net/dllglvzhenfeng/article/details/144700287新年快乐ABC234C-Happy New Year!153AtCoder Beginner Contest 234https://blog.csdn.net/dllglvzhenfeng/article/details/144752516中国餐馆ABC268C-Chinese Restaurant154AtCoder Beginner Contest 268https://blog.csdn.net/dllglvzhenfeng/article/details/144346078圣诞树ABC334B-Christmas Trees156AtCoder Beginner Contest 334https://blog.csdn.net/dllglvzhenfeng/article/details/144753054末尾零计数ABC336B-CTZ157AtCoder Beginner Contest 336https://blog.csdn.net/dllglvzhenfeng/article/details/144675455偶数数字ABC336C-Even Digits157AtCoder Beginner Contest 336https://blog.csdn.net/dllglvzhenfeng/article/details/144675455Sigma问题ABC353C-Sigma Problem158AtCoder Beginner Contest 353https://blog.csdn.net/dllglvzhenfeng/article/details/144712926掩码位计数ABC356D-Masked Popcount159AtCoder Beginner Contest 356https://blog.csdn.net/dllglvzhenfeng/article/details/1447149871-2-4测试ABC270A-1-2-4 Test160Atcoder Beginner Contest 270https://blog.csdn.net/dllglvzhenfeng/article/details/144716903破损的四舍五入ABC273B-Broken Rounding161AtCoder Beginner Contest 273https://blog.csdn.net/dllglvzhenfeng/article/details/144718088ABC-DEFABC275B-ABC-DEF163AtCoder Beginner Contest 275https://blog.csdn.net/dllglvzhenfeng/article/details/144753893最大公约数和最小公倍数问题NOIP2001 普及组 T2164P1029 [NOIP2001 普及组] 最大公约数和最小公倍数问题https://www.luogu.com.cn/problem/P1029比例简化NOIP2014普及组T2164P2118 [NOIP2014 普及组] 比例简化https://www.luogu.com.cn/problem/P2118优秀的拆分CSP-J-2020 T1165P7071 [CSP-J2020] 优秀的拆分https://www.luogu.com.cn/problem/P7071数对乘积之和ABC177C-Sum of product of pairs166AtCoder Beginner Contest 177https://blog.csdn.net/dllglvzhenfeng/article/details/144720280零食ABC148C-Snack167AtCoder Beginner Contest 148https://blog.csdn.net/dllglvzhenfeng/article/details/144721198奶油泡芙ABC180C-Cream puff168AtCoder Beginner Contest 180https://blog.csdn.net/dllglvzhenfeng/article/details/144723881不幸的7ABC186C-Unlucky 7169AtCoder Beginner Contest 186https://blog.csdn.net/dllglvzhenfeng/article/details/144741205许多橙子ABC195B-Many Oranges170AtCoder Beginner Contest 195https://blog.csdn.net/dllglvzhenfeng/article/details/144741955模数ABC266B-Modulo Number171AtCoder Beginner Contest 266https://blog.csdn.net/dllglvzhenfeng/article/details/144742843【数学1】基础数学问题https://www.luogu.com.cn/training/117【数学2-1】进阶数论https://www.luogu.com.cn/training/216【数学2-2】组合数学与计数https://www.luogu.com.cn/training/217【数学2-3】概率与统计https://www.luogu.com.cn/training/218【数学2-4】基础线性代数https://www.luogu.com.cn/training/219数学知识-例题李煜东《算法竞赛进阶指南》https://www.luogu.com.cn/training/506768数学知识-习题李煜东《算法竞赛进阶指南》https://www.luogu.com.cn/training/504623算法与数学数学思维与编程实践https://www.meracode.com/sheetDetail/base?goodsId233title%E7%AE%97%E6%B3%95%E4%B8%8E%E6%95%B0%E5%AD%A6%EF%BC%9A%E6%95%B0%E5%AD%A6%E6%80%9D%E7%BB%B4%E4%B8%8E%E7%BC%96%E7%A8%8B%E5%AE%9E%E8%B7%B5数论和线性代数 - 罗勇军《算法竞赛》https://www.luogu.com.cn/training/1016090组合数学 - 罗勇军《算法竞赛》https://www.luogu.com.cn/training/1016091计算几何 - 罗勇军《算法竞赛》https://www.luogu.com.cn/training/1016092数学一本通部分习题https://vjudge.net/article/7975《算法竞赛入门经典:训练指南(第2版》- 第2章 数学基础https://vjudge.net/article/17744NOI数学 学习 相关书籍及视频等资料不包括CTS内容https://blog.csdn.net/dllglvzhenfeng/article/details/135502149Vjudge数学专题1.3 计数与数学https://vjudge.net/article/4461提高组模块4—数学https://vjudge.net/article/13113提高组模块4—数学 [Cloned]https://vjudge.net/article/14525(Section 4) 组合数学、博弈论https://vjudge.net/article/3568数学专题https://vjudge.net/article/16957CodeForces 数学(1300~1900)题单https://vjudge.net/article/5303进阶算法入门题单数学与计算几何https://vjudge.net/article/4532精选用户分享洛谷CSP-J最大公约数与最小公倍数https://www.luogu.com.cn/training/6358【提高】类欧几里得算法基础https://www.luogu.com.cn/training/25250数学·同余方程https://www.luogu.com.cn/training/7890【数论】CRT 与 ExCRThttps://www.luogu.com.cn/training/87157【数论】BSGShttps://www.luogu.com.cn/training/1893欧拉函数与欧拉定理https://www.luogu.com.cn/training/7052一些有趣的数论题 Part 2https://www.luogu.com.cn/training/87630数学数论之推式子https://www.luogu.com.cn/training/200296数论出题组公开赛题目https://www.luogu.com.cn/training/5058【数学】编程能力进阶https://www.luogu.com.cn/training/3135【数学】卡特兰数https://www.luogu.com.cn/training/327894【群论】置换群Polya定理https://www.luogu.com.cn/training/1026【线性代数】线性代数基础题https://www.luogu.com.cn/training/48747基础矩阵加速https://www.luogu.com.cn/training/7403生成函数之 OGF EGF - 从入门到入土https://www.luogu.com.cn/training/65708【数学】生成函数基础https://www.luogu.com.cn/training/3295莫比乌斯反演函数练习题单https://www.luogu.com.cn/training/1055xzy的概率期望题单https://www.luogu.com.cn/training/4922计算几何 - 从入门到跳楼https://www.luogu.com.cn/training/16408《算法竞赛进阶指南》第四章—数学知识https://www.luogu.com.cn/training/16612一些好玩的数学题https://www.luogu.com.cn/training/1432
信奥的数学题单（2026.06.15）
NOI / 小学奥数20题OpenJudge - OpenJudge - 题目C编程与信息学竞赛数学思维2026.06【数学思维】01-变量及输入输出https://www.luogu.com.cn/training/675222【数学思维】02-用单位正方形/体理解数学问题https://www.luogu.com.cn/training/675221【数学思维】03-基本运算的理解https://www.luogu.com.cn/training/675220【数学思维】04-数列问题https://www.luogu.com.cn/training/675219【数学思维】05-递推及递推问题求解https://www.luogu.com.cn/training/675218【数学思维】06-一维和二维数表https://www.luogu.com.cn/training/675217【数学思维】07-方向、位置和直角坐标系https://www.luogu.com.cn/training/675216【数学思维】08-网格坐标系及网格问题https://www.luogu.com.cn/training/675215【数学思维】09-初等几何问题https://www.luogu.com.cn/training/675214【数学思维】10-初等数论问题https://www.luogu.com.cn/training/675213【数学思维】11-集合论基础https://www.luogu.com.cn/training/675212【数学思维】12-组合数学初探https://www.luogu.com.cn/training/675211《C编程和信息学竞赛数学基础》【数学基础】01-初等数学基础https://www.luogu.com.cn/training/675206【数学基础】02-数列问题及递推和递归https://www.luogu.com.cn/training/675205【数学基础】03-初等几何https://www.luogu.com.cn/training/675204【数学基础】03-初等几何-CSDN博客【数学基础】04-进制及进制转换https://www.luogu.com.cn/training/675203【数学基础】05-数论基础https://www.luogu.com.cn/training/675202【数学基础】06-初等代数https://www.luogu.com.cn/training/675201【数学基础】07-集合论https://www.luogu.com.cn/training/675200【数学基础】08-组合数学https://www.luogu.com.cn/training/675199第8章 组合数学《C编程与信息学竞赛数学基础》-CSDN博客【数学基础】09-图论基础https://www.luogu.com.cn/training/675198【数学基础】10-树及二叉树https://www.luogu.com.cn/training/675197【数学基础】11-概率论基础https://www.luogu.com.cn/training/675196【数学基础】12-逻辑学基础https://www.luogu.com.cn/training/675195【数学基础】13-编码及译码https://www.luogu.com.cn/training/675194【数学基础】14-博弈论基础https://www.luogu.com.cn/training/675193第14章 博弈论基础《C编程与信息学竞赛数学基础》_c编程与信息学竞赛数学基础pdf-CSDN博客【数学基础】15-算法及算法复杂度https://www.luogu.com.cn/training/675192《离散数学及其应用》【离散数学】第1章-命题逻辑https://www.luogu.com.cn/training/378629【离散数学】第2章-谓词逻辑https://www.luogu.com.cn/training/378628【离散数学】第3章-集合与关系(1)https://www.luogu.com.cn/training/378627【离散数学】第3章-集合与关系(2)https://www.luogu.com.cn/training/378626【离散数学】第4章、第5章https://www.luogu.com.cn/training/378624【离散数学】第6章、第7章https://www.luogu.com.cn/training/378623【离散数学】第8章-图论理论(1)https://www.luogu.com.cn/training/378619【离散数学】第8章-图论理论(2)https://www.luogu.com.cn/training/378617中学生计算机程序算法入门例题精析与训练欢迎来到梅拉算智第4章数论问题例题按位异或ABC213A-Bitwise Exclusive Or140Atcoder Beginner Round 213Atcoder Beginner Round 213_atcoder beginner contest 213-CSDN博客四个点ABC246A-Four Points141AtCoder Beginner Contest 246AtCoder Beginner Contest 246_abc246c-CSDN博客向右移动ABC247A-Move Right143AtCoder Beginner Contest 247AtCoder Beginner Contest 247-CSDN博客十六进制ABC271A-484558144AtCoder Beginner Contest 271AtCoder Beginner Contest 271_atcoder 271c-CSDN博客习题比萨ABC238B-Pizza147AtCoder Beginner Contest 238https://blog.csdn.net/dllglvzhenfeng/article/details/144752002长序列ABC220C-Long Sequence148Atcoder Beginner Contest 220https://blog.csdn.net/dllglvzhenfeng/article/details/144700287日历验证器ABC225C-Calendar Validator149Atcoder Beginner Contest 225https://blog.csdn.net/dllglvzhenfeng/article/details/144701478最后一张卡ABC227A-Last Card150AtCoder Beginner Contest 227https://blog.csdn.net/dllglvzhenfeng/article/details/144687411地震震级尺度ABC221A-Seismic magnitude scales151AtCoder Beginner Contest 221https://blog.csdn.net/dllglvzhenfeng/article/details/144697411K进制ABC220B-Base K152Atcoder Beginner Contest 220https://blog.csdn.net/dllglvzhenfeng/article/details/144700287新年快乐ABC234C-Happy New Year!153AtCoder Beginner Contest 234https://blog.csdn.net/dllglvzhenfeng/article/details/144752516中国餐馆ABC268C-Chinese Restaurant154AtCoder Beginner Contest 268https://blog.csdn.net/dllglvzhenfeng/article/details/144346078圣诞树ABC334B-Christmas Trees156AtCoder Beginner Contest 334https://blog.csdn.net/dllglvzhenfeng/article/details/144753054末尾零计数ABC336B-CTZ157AtCoder Beginner Contest 336https://blog.csdn.net/dllglvzhenfeng/article/details/144675455偶数数字ABC336C-Even Digits157AtCoder Beginner Contest 336https://blog.csdn.net/dllglvzhenfeng/article/details/144675455Sigma问题ABC353C-Sigma Problem158AtCoder Beginner Contest 353https://blog.csdn.net/dllglvzhenfeng/article/details/144712926掩码位计数ABC356D-Masked Popcount159AtCoder Beginner Contest 356https://blog.csdn.net/dllglvzhenfeng/article/details/1447149871-2-4测试ABC270A-1-2-4 Test160Atcoder Beginner Contest 270https://blog.csdn.net/dllglvzhenfeng/article/details/144716903破损的四舍五入ABC273B-Broken Rounding161AtCoder Beginner Contest 273https://blog.csdn.net/dllglvzhenfeng/article/details/144718088ABC-DEFABC275B-ABC-DEF163AtCoder Beginner Contest 275https://blog.csdn.net/dllglvzhenfeng/article/details/144753893最大公约数和最小公倍数问题NOIP2001 普及组 T2164P1029 [NOIP2001 普及组] 最大公约数和最小公倍数问题https://www.luogu.com.cn/problem/P1029比例简化NOIP2014普及组T2164P2118 [NOIP2014 普及组] 比例简化https://www.luogu.com.cn/problem/P2118优秀的拆分CSP-J-2020 T1165P7071 [CSP-J2020] 优秀的拆分https://www.luogu.com.cn/problem/P7071数对乘积之和ABC177C-Sum of product of pairs166AtCoder Beginner Contest 177https://blog.csdn.net/dllglvzhenfeng/article/details/144720280零食ABC148C-Snack167AtCoder Beginner Contest 148https://blog.csdn.net/dllglvzhenfeng/article/details/144721198奶油泡芙ABC180C-Cream puff168AtCoder Beginner Contest 180https://blog.csdn.net/dllglvzhenfeng/article/details/144723881不幸的7ABC186C-Unlucky 7169AtCoder Beginner Contest 186https://blog.csdn.net/dllglvzhenfeng/article/details/144741205许多橙子ABC195B-Many Oranges170AtCoder Beginner Contest 195https://blog.csdn.net/dllglvzhenfeng/article/details/144741955模数ABC266B-Modulo Number171AtCoder Beginner Contest 266https://blog.csdn.net/dllglvzhenfeng/article/details/144742843【数学1】基础数学问题https://www.luogu.com.cn/training/117【数学2-1】进阶数论https://www.luogu.com.cn/training/216【数学2-2】组合数学与计数https://www.luogu.com.cn/training/217【数学2-3】概率与统计https://www.luogu.com.cn/training/218【数学2-4】基础线性代数https://www.luogu.com.cn/training/219数学知识-例题李煜东《算法竞赛进阶指南》https://www.luogu.com.cn/training/506768数学知识-习题李煜东《算法竞赛进阶指南》https://www.luogu.com.cn/training/504623算法与数学数学思维与编程实践https://www.meracode.com/sheetDetail/base?goodsId233title%E7%AE%97%E6%B3%95%E4%B8%8E%E6%95%B0%E5%AD%A6%EF%BC%9A%E6%95%B0%E5%AD%A6%E6%80%9D%E7%BB%B4%E4%B8%8E%E7%BC%96%E7%A8%8B%E5%AE%9E%E8%B7%B5数论和线性代数 - 罗勇军《算法竞赛》https://www.luogu.com.cn/training/1016090组合数学 - 罗勇军《算法竞赛》https://www.luogu.com.cn/training/1016091计算几何 - 罗勇军《算法竞赛》https://www.luogu.com.cn/training/1016092数学一本通部分习题https://vjudge.net/article/7975《算法竞赛入门经典:训练指南(第2版》- 第2章 数学基础https://vjudge.net/article/17744NOI数学 学习 相关书籍及视频等资料不包括CTS内容https://blog.csdn.net/dllglvzhenfeng/article/details/135502149Vjudge数学专题1.3 计数与数学https://vjudge.net/article/4461提高组模块4—数学https://vjudge.net/article/13113提高组模块4—数学 [Cloned]https://vjudge.net/article/14525(Section 4) 组合数学、博弈论https://vjudge.net/article/3568数学专题https://vjudge.net/article/16957CodeForces 数学(1300~1900)题单https://vjudge.net/article/5303进阶算法入门题单数学与计算几何https://vjudge.net/article/4532精选用户分享洛谷CSP-J最大公约数与最小公倍数https://www.luogu.com.cn/training/6358【提高】类欧几里得算法基础https://www.luogu.com.cn/training/25250数学·同余方程https://www.luogu.com.cn/training/7890【数论】CRT 与 ExCRThttps://www.luogu.com.cn/training/87157【数论】BSGShttps://www.luogu.com.cn/training/1893欧拉函数与欧拉定理https://www.luogu.com.cn/training/7052一些有趣的数论题 Part 2https://www.luogu.com.cn/training/87630数学数论之推式子https://www.luogu.com.cn/training/200296数论出题组公开赛题目https://www.luogu.com.cn/training/5058【数学】编程能力进阶https://www.luogu.com.cn/training/3135【数学】卡特兰数https://www.luogu.com.cn/training/327894【群论】置换群Polya定理https://www.luogu.com.cn/training/1026【线性代数】线性代数基础题https://www.luogu.com.cn/training/48747基础矩阵加速https://www.luogu.com.cn/training/7403生成函数之 OGF EGF - 从入门到入土https://www.luogu.com.cn/training/65708【数学】生成函数基础https://www.luogu.com.cn/training/3295莫比乌斯反演函数练习题单https://www.luogu.com.cn/training/1055xzy的概率期望题单https://www.luogu.com.cn/training/4922计算几何 - 从入门到跳楼https://www.luogu.com.cn/training/16408《算法竞赛进阶指南》第四章—数学知识https://www.luogu.com.cn/training/16612一些好玩的数学题https://www.luogu.com.cn/training/1432
