noip 2016 j3 海港(模拟)
noip 2016 j2 回文日期(枚举)
noip 2015 j3 求和(数学推导)
noip 2015 j1 金币(模拟)
noip 2014 j1 珠心算测验(枚举)
noip 2013 j2 表达式求值(栈)
noip 2012 j1 质因数分解(数论)
noip 2011 j3 瑞士轮(归并排序)
noip 2010 j3 导弹拦截(贪心)
noip 2010 j2 接水问题(模拟)
noip 2007 j4 Hanoi 双塔问题(高精度)
noip 2006 j1 明明的随机数(排序)
noip 2001 j4 装箱问题(递推、搜索、动态规划)
noip 2010 s2 乌龟棋(动态规划、四维)
noip 2004 s2 合并果子(排序、优先队列)
noip 2004 s3 合唱队形(最长上升子序列、双向)
USACO 2020 JAN BRONZE 1.Word Processor(模拟)
USACO 2020 JAN BRONZE 2.Photoshoot(枚举)
USACO 2020 JAN BRONZE 3.Race(模拟)
USACO 2020 DEC BRONZE 1.Do You Know Your ABCs(最值)
USACO 2020 DEC BRONZE 2.Daisy Chains(枚举、前缀和)
USACO 2020 DEC BRONZE 3.Stuck in a Rut(结构体)
USACO 2012 US OPEN BRONZE 1.Cows in a Row(枚举)
POJ 1154 LETTERS(深搜、回溯)
POJ 1321 棋盘问题(深搜、回溯)
POJ 1611 The Suspects(并查集)
POJ 1664 放苹果(深搜、动态规划)
POJ 1852 Ants(最值)
POJ 1958 Strange Towers of Hanoi(递推)
POJ 2251 Dungeon Master(广搜、三维)
POJ 2386 Lake Counting(深搜、广搜)
POJ 2488 A Knight's Journey(深搜、回溯)
POJ 2524 Ubiquitous Religions(并查集)
POJ 3069 Saruman's Army(贪心)
POJ 3086 Triangular Sums(数论)
POJ 3253 Fence Repair(优先队列)
POJ 3278 Catch That Cow(广搜)
POJ 3617 Best Cow Line(贪心)