ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2010 P1223B  Strings Equalization 0 / 0 (无)
2009 P1223C  Save the Nature 0 / 0 (无)
2008 P1223D  Sequence Sorting 0 / 0 (无)
2007 P1223E  Paint the Tree 0 / 0 (无)
2006 P1223F  Stack Exterminable Arrays 0 / 0 (无)
2005 P1223G  Wooden Raft 0 / 0 (无)
2004 P1225A  Forgetting Things 0 / 0 (无)
2003 P1225B1  TV Subscriptions (Easy Version) 0 / 0 (无)
2002 P1225B2  TV Subscriptions (Hard Version) 0 / 0 (无)
2001 P1225C  p-binary 0 / 0 (无)
2000 P1225D  Power Products 0 / 0 (无)
1999 P1225E  Rock Is Push 0 / 0 (无)
1998 P1225F  Tree Factory 0 / 0 (无)
1997 P1225G  To Make 1 0 / 0 (无)
1996 P1227A  Math Problem 0 / 0 (无)
1995 P1227B  Box 0 / 0 (无)
1994 P1227C  Messy 0 / 0 (无)
1993 P1227D1  Optimal Subsequences (Easy Version) 0 / 0 (无)
1992 P1227D2  Optimal Subsequences (Hard Version) 0 / 0 (无)
1991 P1227E  Arson In Berland Forest 0 / 0 (无)
1990 P1227F1  Wrong Answer on test 233 (Easy Version) 0 / 0 (无)
1989 P1227F2  Wrong Answer on test 233 (Hard Version) 0 / 0 (无)
1988 P1227G  Not Same 0 / 0 (无)
1987 P1228A  Distinct Digits 0 / 0 (无)
1986 P1228B  Filling the Grid 0 / 0 (无)
1985 P1228C  Primes and Multiplication 0 / 0 (无)
1984 P1228D  Complete Tripartite 0 / 0 (无)
1983 P1228E  Another Filling the Grid 0 / 0 (无)
1982 P1228F  One Node is Gone 0 / 0 (无)
1981 P1230A  Dawid and Bags of Candies 0 / 0 (无)
1980 P1230B  Ania and Minimizing 0 / 0 (无)
1979 P1231C  Increasing Matrix 0 / 0 (无)
1978 P1231E  Middle-Out 0 / 0 (无)
1977 P1234A  Equalize Prices Again 0 / 0 (无)
1976 P1234B1  Social Network (easy version) 0 / 0 (无)
1975 P1234B2  Social Network (hard version) 0 / 0 (无)
1974 P1234C  Pipes 0 / 0 (无)
1973 P1234D  Distinct Characters Queries 0 / 0 (无)
1972 P1234E  Special Permutations 0 / 0 (无)
1971 P1234F  Yet Another Substring Reverse 0 / 0 (无)
1970 P1236A  Stones 0 / 0 (无)
1969 P1236B  Alice and the List of Presents 0 / 0 (无)
1968 P1236C  Labs 0 / 0 (无)
1967 P1236D  Alice and the Doll 0 / 0 (无)
1966 P1236E  Alice and the Unfair Game 0 / 0 (无)
1965 P1236F  Alice and the Cactus 0 / 0 (无)
1964 P1237A  Balanced Rating Changes 0 / 0 (无)
1963 P1237B  Balanced Tunnel 0 / 0 (无)
1962 P1237C1  Balanced Removals (Easier) 0 / 0 (无)
1961 P1237C2  Balanced Removals (Harder) 0 / 0 (无)

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