| #1857 | [HNOI2007]紧急疏散EVACUATE |
| #1858 | [HNOI2008]GT考试 |
| #1859 | [HNOI2008]水平可见直线 |
| #1862 | [HNOI2008]越狱 |
| #1863 | [HNOI2008]遥远的行星 |
| #1864 | [HNOI2009]最小圈 |
| #1866 | [HNOI2010]BOUNCE 弹飞绵羊 |
| #1867 | [HNOI2010]CHORUS 合唱队 |
| #1868 | [HNOI2010]CITY 城市建设 |
| #1870 | [HNOI2011]XOR和路径 |
| #1872 | [HNOI2011]数学作业 |
| #1876 | [HNOI2012]永无乡 |
| #1878 | [HNOI2012]集合选数 |
| #1893 | [JLOI2013]地形生成 |
| #1894 | [JLOI2013]赛车 |
| #1898 | [JLOI2015]有意义的字符串 |
| #1918 | [SDOI2014]数表 |
| #1925 | [ZJOI2011]看电影(MOVIE) |
| #1926 | [ZJOI2013]K大数查询 |
| #1927 | [ZJOI2013]蚂蚁寻路 |
| #1932 | 在你窗外闪耀的星星 |
| #1939 | Cool loves touli |
| #1940 | 【模板】最小生成树 |
| #1941 | 【模板】树状数组 2 |
| #1943 | 【模板】字符串哈希 |
| #1944 | 【模板】单源最短路径 |
| #1945 | 【模板】线段树 1 |
| #1946 | 【模板】线段树 2 |
| #1947 | 【模板】树状数组 1 |
| #1948 | KMP字符串匹配 |
| #1950 | 【模板】最近公共祖先（LCA） |
| #1955 | 【模板】负环 |
| #1956 | 二分图匹配 |
| #1959 | 【模板】高斯消元法 |
| #1960 | 【模板】矩阵快速幂 |
| #1965 | 丝绸之路 |
| #1966 | 仓鼠窝 |
| #1968 | [USACO16DEC]Cities and States省市 |
| #1969 | 海底高铁 |
| #1970 | 散步 |
| #1975 | SAC#1 - 萌数 |
| #1976 | SAC#1 - 组合数 |
| #1978 | [USACO16DEC]Moocast(silver)奶牛广播-银 |
| #1979 | [POI2005]BANK-Cash Dispenser |
| #1981 | [POI2005]SAM-Toy Cars |
| #1982 | [POI2005]SKA-Piggy Banks |
| #1983 | [POI2005]LOT-A Journey to Mars |
| #1984 | [POI2005]KOS-Dicing |
| #1985 | [POI2005]SZA-Template |
| #1989 | [POI2006]KRA-The Disks |
| #1994 | [POI2006]SZK-Schools |
| #1996 | [POI2006]EST-Aesthetic Text |
| #1999 | [POI2007]DRZ-Trees |
| #2001 | [POI2007]ZAP-Queries |
| #2002 | [POI2007]山峰和山谷 |
| #2004 | [POI2008]PLA-Postering |
| #2005 | BLO-Blockade |
| #2009 | [POI2009]KAM-Pebbles |
| #2012 | [POI2010]KOR-Beads |
| #2015 | [POI2010]ANT-Antisymmetry |
| #2018 | [POI2010]GRA-The Minima Game |
| #2020 | [POI2010]PIL-Pilots |
| #2021 | [POI2011]SEJ-Strongbox |
| #2022 | 天兵天将 |
| #2025 | [POI2011]PAT-Sticks |
| #2026 | [POI2012]LIT-Letters |
| #2030 | [POI2012]BON-Vouchers |
| #2031 | [POI2012]ROZ-Fibonacci Representation |
| #2033 | [POI2012]HUR-Warehouse Store |
| #2034 | [POI2012]PRE-Prefixuffix |
| #2035 | [POI2013]TAK-Taxis |
| #2036 | [POI2013]USU-Take-out |
| #2040 | [POI2014]KUR-Couriers |
| #2043 | [POI2015]KIN |
| #2044 | [POI2015]PIE |
| #2045 | [POI2015]WIL-Wilcze doły |
| #2047 | 签到题 |
| #2049 | 美好的每一天 |
| #2050 | [USACO17JAN]Promotion Counting晋升者计数 |
| #2051 | [USACO17JAN]Building a Tall Barn建谷仓 |
| #2052 | [USACO17JAN]Subsequence Reversal序列反转 |
| #2053 | [USACO17JAN]Balanced Photo平衡的照片 |
| #2055 | [USACO17JAN]Cow Navigation奶牛导航 |
| #2056 | [USACO17JAN]Cow Dance Show奶牛舞蹈 |
| #2057 | [USACO17JAN]Secret Cow Code秘密奶牛码 |
| #2058 | 富金森林公园 |
| #2059 | 魔法 |
| #2060 | [APIO2007]数据备份 |
| #2062 | [APIO2008]免费道路 |
| #2064 | [APIO2009]会议中心 |
| #2067 | [APIO2010]巡逻 |
| #2068 | [APIO2011]方格染色 |
| #2070 | [APIO2015]巴厘岛的雕塑 |
| #2072 | [APIO2014]回文串 |
| #2073 | [USACO17FEB]Why Did the Cow Cross the Road I P |
| #2074 | [USACO17FEB]Why Did the Cow Cross the Road II P |
| #2075 | [USACO17FEB]Why Did the Cow Cross the Road III P |
| #2076 | [USACO17FEB]Why Did the Cow Cross the Road I G |
| #2077 | [USACO17FEB]Why Did the Cow Cross the Road III G |
| #2078 | [USACO17FEB]Why Did the Cow Cross the Road I S |
HelloWorld信息学奥赛题库