## 难度:CSP-S普及-
- [P5657 [CSP-S2019] 格雷码](https://www.luogu.com.cn/problem/P5657)
- [P5690 [CSP-S2019 江西] 日期](https://www.luogu.com.cn/problem/P5690)
- [P9752 [CSP-S 2023] 密码锁](https://www.luogu.com.cn/problem/P9752)
## 难度:CSP-S普及/提高-
- [P5686 [CSP-S2019 江西] 和积和](https://www.luogu.com.cn/problem/P5686)
- [P7076 [CSP-S2020] 动物园](https://www.luogu.com.cn/problem/P7076)
## 难度:CSP-S普及+/提高
- [P8818 [CSP-S 2022] 策略游戏](https://www.luogu.com.cn/problem/P8818)
- [P5658 [CSP-S2019] 括号树](https://www.luogu.com.cn/problem/P5658)
- [P7075 [CSP-S2020] 儒略日](https://www.luogu.com.cn/problem/P7075)
- [P7913 [CSP-S 2021] 廊桥分配](https://www.luogu.com.cn/problem/P7913)
- [P5687 [CSP-S2019 江西] 网格图](https://www.luogu.com.cn/problem/P5687)
- [P7915 [CSP-S 2021] 回文](https://www.luogu.com.cn/problem/P7915)
## 难度:CSP-S提高+/省选−
- [P5664 [CSP-S2019] Emiya 家今天的饭](https://www.luogu.com.cn/problem/P5664)
- [P5689 [CSP-S2019 江西] 多叉堆](https://www.luogu.com.cn/problem/P5689)
- [P7077 [CSP-S2020] 函数调用](https://www.luogu.com.cn/problem/P7077)
- [P8817 [CSP-S 2022] 假期计划](https://www.luogu.com.cn/problem/P8817)
- [P9755 [CSP-S 2023] 种树](https://www.luogu.com.cn/problem/P9755)
- [P9754 [CSP-S 2023] 结构体](https://www.luogu.com.cn/problem/P9754)
- [P7914 [CSP-S 2021] 括号序列](https://www.luogu.com.cn/problem/P7914)
- [P9753 [CSP-S 2023] 消消乐](https://www.luogu.com.cn/problem/P9753)
## 难度:CSP-S省选/NOI−
- [P5665 [CSP-S2019] 划分](https://www.luogu.com.cn/problem/P5665)
- [P5666 [CSP-S2019] 树的重心](https://www.luogu.com.cn/problem/P5666)
- [P5688 [CSP-S2019 江西] 散步](https://www.luogu.com.cn/problem/P5688)
- [P8820 [CSP-S 2022] 数据传输](https://www.luogu.com.cn/problem/P8820)
- [P8819 [CSP-S 2022] 星战](https://www.luogu.com.cn/problem/P8819)
- [P7916 [CSP-S 2021] 交通规划](https://www.luogu.com.cn/problem/P7916)
- [P5659 [CSP-S2019] 树上的数](https://www.luogu.com.cn/problem/P5659)
- [P7078 [CSP-S2020] 贪吃蛇](https://www.luogu.com.cn/problem/P7078)
## 难度:NOIP普及/提高-
- [P1012 [NOIP1998 提高组] 拼数](https://www.luogu.com.cn/problem/P1012)
- [P1019 [NOIP2000 提高组] 单词接龙](https://www.luogu.com.cn/problem/P1019)
- [P1020 [NOIP1999 提高组] 导弹拦截](https://www.luogu.com.cn/problem/P1020)
- [P1025 [NOIP2001 提高组] 数的划分](https://www.luogu.com.cn/problem/P1025)
- [P1026 [NOIP2001 提高组] 统计单词个数](https://www.luogu.com.cn/problem/P1026)
- [P1033 [NOIP2002 提高组] 自由落体](https://www.luogu.com.cn/problem/P1033)
- [P1065 [NOIP2006 提高组] 作业调度方案](https://www.luogu.com.cn/problem/P1065)
- [P1083 [NOIP2012 提高组] 借教室](https://www.luogu.com.cn/problem/P1083)
- [P1090 [NOIP2004 提高组] 合并果子 / [USACO06NOV] Fence Repair G](https://www.luogu.com.cn/problem/P1090)
- [P1091 [NOIP2004 提高组] 合唱队形](https://www.luogu.com.cn/problem/P1091)
- [P1311 [NOIP2011 提高组] 选择客栈](https://www.luogu.com.cn/problem/P1311)
- [P1313 [NOIP2011 提高组] 计算系数](https://www.luogu.com.cn/problem/P1313)
- [P1351 [NOIP2014 提高组] 联合权值](https://www.luogu.com.cn/problem/P1351)
- [P1965 [NOIP2013 提高组] 转圈游戏](https://www.luogu.com.cn/problem/P1965)
- [P1969 [NOIP2013 提高组] 积木大赛](https://www.luogu.com.cn/problem/P1969)
- [P1970 [NOIP2013 提高组] 花匠](https://www.luogu.com.cn/problem/P1970)
- [P2196 [NOIP1996 提高组] 挖地雷](https://www.luogu.com.cn/problem/P2196)
- [P2661 [NOIP2015 提高组] 信息传递](https://www.luogu.com.cn/problem/P2661)
- [P2678 [NOIP2015 提高组] 跳石头](https://www.luogu.com.cn/problem/P2678)
- [P2822 [NOIP2016 提高组] 组合数问题](https://www.luogu.com.cn/problem/P2822)
- [P3951 [NOIP2017 提高组] 小凯的疑惑 / [蓝桥杯 2013 省] 买不到的数目](https://www.luogu.com.cn/problem/P3951)
- [P3958 [NOIP2017 提高组] 奶酪](https://www.luogu.com.cn/problem/P3958)
- [P5019 [NOIP2018 提高组] 铺设道路](https://www.luogu.com.cn/problem/P5019)
- [P7960 [NOIP2021] 报数](https://www.luogu.com.cn/problem/P7960)
## 难度:NOIP普及+/提高
- [P1052 [NOIP2005 提高组] 过河](https://www.luogu.com.cn/problem/P1052)
- [P1040 [NOIP2003 提高组] 加分二叉树](https://www.luogu.com.cn/problem/P1040)
- [P1314 [NOIP2011 提高组] 聪明的质监员](https://www.luogu.com.cn/problem/P1314)
- [P3952 [NOIP2017 提高组] 时间复杂度](https://www.luogu.com.cn/problem/P3952)
- [P6033 [NOIP2004 提高组] 合并果子 加强版](https://www.luogu.com.cn/problem/P6033)
- [P5018 [NOIP2018 普及组] 对称二叉树](https://www.luogu.com.cn/problem/P5018)
- [P1982 [NOIP2013 普及组] 小朋友的数字](https://www.luogu.com.cn/problem/P1982)
- [P2296 [NOIP2014 提高组] 寻找道路](https://www.luogu.com.cn/problem/P2296)
- [P1073 [NOIP2009 提高组] 最优贸易](https://www.luogu.com.cn/problem/P1073)
- [P1099 [NOIP2007 提高组] 树网的核](https://www.luogu.com.cn/problem/P1099)
- [P1082 [NOIP2012 提高组] 同余方程](https://www.luogu.com.cn/problem/P1082)
- [P7113 [NOIP2020] 排水系统](https://www.luogu.com.cn/problem/P7113)
- [P3956 [NOIP2017 普及组] 棋盘](https://www.luogu.com.cn/problem/P3956)
- [P1032 [NOIP2002 提高组] 字串变换](https://www.luogu.com.cn/problem/P1032)
- [P1078 [NOIP2012 普及组] 文化之旅](https://www.luogu.com.cn/problem/P1078)
- [P1005 [NOIP2007 提高组] 矩阵取数游戏](https://www.luogu.com.cn/problem/P1005)
- [P1034 [NOIP2002 提高组] 矩形覆盖](https://www.luogu.com.cn/problem/P1034)
- [P1080 [NOIP2012 提高组] 国王游戏](https://www.luogu.com.cn/problem/P1080)
- [P1006 [NOIP2008 提高组] 传纸条](https://www.luogu.com.cn/problem/P1006)
- [P5020 [NOIP2018 提高组] 货币系统](https://www.luogu.com.cn/problem/P5020)
- [P1525 [NOIP2010 提高组] 关押罪犯](https://www.luogu.com.cn/problem/P1525)
- [P1549 [NOIP1997 提高组] 棋盘问题](https://www.luogu.com.cn/problem/P1549)
- [P1004 [NOIP2000 提高组] 方格取数](https://www.luogu.com.cn/problem/P1004)
- [P1038 [NOIP2003 提高组] 神经网络](https://www.luogu.com.cn/problem/P1038)
- [P1043 [NOIP2003 普及组] 数字游戏](https://www.luogu.com.cn/problem/P1043)
- [P1027 [NOIP2001 提高组] Car 的旅行路线](https://www.luogu.com.cn/problem/P1027)
- [P1072 [NOIP2009 提高组] Hankson 的趣味题](https://www.luogu.com.cn/problem/P1072)
- [P1016 [NOIP1999 提高组] 旅行家的预算](https://www.luogu.com.cn/problem/P1016)
- [P2119 [NOIP2016 普及组] 魔法阵](https://www.luogu.com.cn/problem/P2119)
- [P2679 [NOIP2015 提高组] 子串](https://www.luogu.com.cn/problem/P2679)
- [P1983 [NOIP2013 普及组] 车站分级](https://www.luogu.com.cn/problem/P1983)
- [P1018 [NOIP2000 提高组] 乘积最大](https://www.luogu.com.cn/problem/P1018)
- [P1013 [NOIP1998 提高组] 进制位](https://www.luogu.com.cn/problem/P1013)
- [P1063 [NOIP2006 提高组] 能量项链](https://www.luogu.com.cn/problem/P1063)
- [P1069 [NOIP2009 普及组] 细胞分裂](https://www.luogu.com.cn/problem/P1069)
- [P8865 [NOIP2022] 种花](https://www.luogu.com.cn/problem/P8865)
- [P9869 [NOIP2023] 三值逻辑](https://www.luogu.com.cn/problem/P9869)
- [P1941 [NOIP2014 提高组] 飞扬的小鸟](https://www.luogu.com.cn/problem/P1941)
- [P1541 [NOIP2010 提高组] 乌龟棋](https://www.luogu.com.cn/problem/P1541)
- [P1064 [NOIP2006 提高组] 金明的预算方案](https://www.luogu.com.cn/problem/P1064)
- [P1310 [NOIP2011 普及组] 表达式的值](https://www.luogu.com.cn/problem/P1310)
- [P1021 [NOIP1999 提高组] 邮票面值设计](https://www.luogu.com.cn/problem/P1021)
- [P2671 [NOIP2015 普及组] 求和](https://www.luogu.com.cn/problem/P2671)
## 难度:NOIP提高+/省选−
- [P2672 [NOIP2015 普及组] 推销员](https://www.luogu.com.cn/problem/P2672)
- [P7114 [NOIP2020] 字符串匹配](https://www.luogu.com.cn/problem/P7114)
- [P7961 [NOIP2021] 数列](https://www.luogu.com.cn/problem/P7961)
- [P8867 [NOIP2022] 建造军营](https://www.luogu.com.cn/problem/P8867)
- [P1070 [NOIP2009 普及组] 道路游戏](https://www.luogu.com.cn/problem/P1070)
- [P3957 [NOIP2017 普及组] 跳房子](https://www.luogu.com.cn/problem/P3957)
- [P9871 [NOIP2023] 天天爱打卡](https://www.luogu.com.cn/problem/P9871)
- [P1074 [NOIP2009 提高组] 靶形数独](https://www.luogu.com.cn/problem/P1074)
- [P2680 [NOIP2015 提高组] 运输计划](https://www.luogu.com.cn/problem/P2680)
- [P1315 [NOIP2011 提高组] 观光公交](https://www.luogu.com.cn/problem/P1315)
- [P1054 [NOIP2005 提高组] 等价表达式](https://www.luogu.com.cn/problem/P1054)
- [P1053 [NOIP2005 提高组] 篝火晚会](https://www.luogu.com.cn/problem/P1053)
- [P1050 [NOIP2005 普及组] 循环](https://www.luogu.com.cn/problem/P1050)
- [P1092 [NOIP2004 提高组] 虫食算](https://www.luogu.com.cn/problem/P1092)
- [P1041 [NOIP2003 提高组] 传染病控制](https://www.luogu.com.cn/problem/P1041)
- [P2668 [NOIP2015 提高组] 斗地主](https://www.luogu.com.cn/problem/P2668)
- [P5512 [NOIP1997 提高组] 棋盘问题 加强版](https://www.luogu.com.cn/problem/P5512)
- [P2312 [NOIP2014 提高组] 解方程](https://www.luogu.com.cn/problem/P2312)
- [P5021 [NOIP2018 提高组] 赛道修建](https://www.luogu.com.cn/problem/P5021)
- [P1514 [NOIP2010 提高组] 引水入城](https://www.luogu.com.cn/problem/P1514)
- [P2258 [NOIP2014 普及组] 子矩阵](https://www.luogu.com.cn/problem/P2258)
- [P5017 [NOIP2018 普及组] 摆渡车](https://www.luogu.com.cn/problem/P5017)
- [P1967 [NOIP2013 提高组] 货车运输](https://www.luogu.com.cn/problem/P1967)
- [P1066 [NOIP2006 提高组] 2^k进制数](https://www.luogu.com.cn/problem/P1066)
- [P1039 [NOIP2003 提高组] 侦探推理](https://www.luogu.com.cn/problem/P1039)
- [P2831 [NOIP2016 提高组] 愤怒的小鸟](https://www.luogu.com.cn/problem/P2831)
- [P1966 [NOIP2013 提高组] 火柴排队](https://www.luogu.com.cn/problem/P1966)
- [P1312 [NOIP2011 提高组] Mayan 游戏](https://www.luogu.com.cn/problem/P1312)
- [P1155 [NOIP2008 提高组] 双栈排序](https://www.luogu.com.cn/problem/P1155)
- [P5022 [NOIP2018 提高组] 旅行](https://www.luogu.com.cn/problem/P5022)
- [P2827 [NOIP2016 提高组] 蚯蚓](https://www.luogu.com.cn/problem/P2827)
- [P1850 [NOIP2016 提高组] 换教室](https://www.luogu.com.cn/problem/P1850)
更多信奥内容,请关注【信奥营】!