ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1924 1924   第五题 43 / 71 2
1925 1925   第六题 42 / 64 2
1926 1926   第七题 38 / 72 3
1927 1927   第八题 35 / 60 3
1928 1928   第九题 28 / 117 7
1929 1929   第十题 25 / 53 4
1930 1930   [COCI2006-2007#1] Bond 1 / 2 10
1931 1931   [NOI2002] 贪吃的九头龙 1 / 1 10
1932 1932   「LibreOJ β Round #2」贪心只能过样例 1 / 1 10
1933 1933   [USACO09FEB] Fair Shuttle G 0 / 0 (无)
1934 1934   CF1445C - Division 1 / 2 10
1935 1935   夏令营活动 8 / 150 9
1936 1936   旋转平移 4 / 44 9
1938 1938   [USACO09OPEN] Tower of Hay G 1 / 1 10
1939 1939   小清新数据结构题 26 / 104 7
1940 1940   [ARC055C] ABCAC 0 / 0 (无)
1941 1941   [ABC246A] Four Points 0 / 0 (无)
1942 1942   [ABC246B] Get Closer 0 / 0 (无)
1944 1944   [ABC246C] Coupon 0 / 0 (无)
1945 1945   [ABC246D] 2-variable Function 22 / 128 8
1946 1946   [ABC246E] Bishop 2 0 / 0 (无)
1947 1947   [ABC246F] typewriter 0 / 0 (无)
1948 1948   [ABC246G] Game on Tree 3 0 / 0 (无)
1949 1949   [ABC246Ex] 01? Queries 0 / 0 (无)
1950 1950   求完数 0 / 0 (无)
1951 1951   奶牛分厩 1 / 3 10
1952 1952   NOSQ - No Squares Numbers 0 / 0 (无)
1953 1953   CF1850F - We Were Both Children 0 / 0 (无)
1954 1954   区间质数 0 / 0 (无)
1955 1955   『JROI-4』分数 0 / 0 (无)
1956 1956   [模板] 埃式筛法 0 / 0 (无)
1957 1957   [模板] 唯一分解定理 1 / 1 10
1958 1958   [ABC356E] Max/Min 0 / 0 (无)
1959 1959   [模板] 线性筛素数 0 / 0 (无)
1960 1960   [模板] 欧几里得算法 0 / 0 (无)
1961 1961   试除法求约数 0 / 0 (无)
1962 1962   CF1458A - Row GCD 0 / 0 (无)
1963 1963   a的b次方 0 / 0 (无)
1964 1964   CF1832C - Strongly Composite 0 / 0 (无)
1965 1965   [ABC154F] Many Many Paths 3 / 6 8
1966 1966   [ABC165F] LIS on Tree 1 / 1 10
1971 1971   [BeiJing2011] Matrix 矩阵哈希 0 / 0 (无)
1972 1972   [USACO18OPEN] Talent Show G 0 / 0 (无)
1973 1973   [JSOI2016] 最佳团体 1 / 2 10
1974 1974   CF609E - Minimum spanning tree for each edge 1 / 1 8
1975 1975   [ABC248E] K-colinear Line 0 / 0 (无)
1976 1976   [ABC248F] Keep Connect 0 / 0 (无)
1977 1977   [ABC248D] Range Count Query 13 / 39 6
1978 1978   [ABC248C] Dice Sum 0 / 0 (无)
1979 1979   [ABC248B] Slimes 0 / 0 (无)
1980 1980   [ABC248A] Lacked Number 0 / 0 (无)
1981 1981   [SCOI2010] 生成字符串 0 / 0 (无)
1982 1982   [ABC249A] Jogging 0 / 0 (无)
1983 1983   [ABC249B] Perfect String 0 / 0 (无)
1984 1984   [ABC249C] Just K 0 / 0 (无)
1985 1985   [ABC249D] Index Trio 11 / 47 7
1986 1986   [ABC249E] RLE 0 / 0 (无)
1987 1987   [ABC249F] Ignore Operations 3 / 19 9
1988 1988   [ABC212D] Querying Multiset 14 / 40 6
1989 1989   中位数 6 / 9 9
1990 1990   [NOI2015] 荷马史诗 3 / 7 10
1991 1991   [USACO09OPEN] Work Scheduling G 6 / 10 9
1992 1992   序列合并 5 / 6 10
1993 1993   [JSOI2007] 建筑抢修 2 / 5 10
1994 1994   [APIO/CTSC2007] 数据备份 1 / 2 10
1995 1995   CF865D - Buy Low Sell High 1 / 2 10
1996 1996   [USACO12FEB] Cow Coupons G 0 / 0 (无)
1997 1997   取数 0 / 0 (无)
1998 1998   [POI2012] HUR-Warehouse Store 0 / 0 (无)
1999 1999   [ABC250C] Adjacent Swaps 19 / 126 8
2000 2000   最大子段和 20 / 65 6
2001 2001   不相邻元素的最大和 20 / 72 6
2002 2002   [HNOI2004] 打鼹鼠 0 / 3 10
2003 2003   最长上升子序列 hard 13 / 34 6
2004 2004   最长不下降子序列 12 / 41 6
2005 2005   [ABC354F] Useless for LIS 1 / 8 10
2006 2006   环上最大独立集 1 / 1 10
2007 2007   [NOIP1999 普及/提高组] 导弹拦截 0 / 0 (无)
2008 2008   木棍加工 0 / 0 (无)
2009 2009   [ABC250D] 250-like Number 0 / 0 (无)
2010 2010   [ABC251E] Takahashi and Animals 0 / 0 (无)
2011 2011   [模板] 栈 39 / 147 7
2012 2012   后缀表达式 28 / 156 8
2013 2013   验证栈序列 9 / 26 7
2014 2014   [ABC328D] Take ABC 10 / 28 6
2015 2015   CF797C - Minimal string 0 / 0 (无)
2016 2016   [ABC064D] Insertion 35 / 71 4
2017 2017   [ABC307D] Mismatched Parentheses 1 / 4 10
2022 2022   因子的组合 39 / 137 6
2023 2023   因子的和 23 / 57 5
2024 2024   牛客周赛59E - X 型矩阵 1 / 2 10
2025 2025   [ABC252A] ASCII code 0 / 0 (无)
2026 2026   [ABC252B] Takahashi's Failure 0 / 0 (无)
2027 2027   [ABC252C] Slot Strategy 0 / 0 (无)
2028 2028   [ABC252D] Distinct Trio 15 / 173 9
2029 2029   [ABC252F] Bread 1 / 2 10
2030 2030   [ABC252G] Pre-Order 0 / 0 (无)
2031 2031   日志分析 9 / 32 7
2032 2032   [模板] 队列 35 / 89 5
2033 2033   [模板] 双端队列 19 / 47 5

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