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线段树中区间加减和区间覆盖的双标记问题 E. Sergey and Subway 2017CCPC 哈尔滨 B 0/1分数规划 中位数及带权中位数题集 code forces 1051 d Educational Codeforces Round 51 (Rated for Div. 2) The Shortest Statement Codeforces Round #511 (Div. 2) C. Enlarge GCD POJ 3694 (tarjan缩点+LCA+并查集) Hdu5921 Binary Indexed Tree
线段树中区间加减和区间覆盖的双标记问题
E. Sergey and Subway
2017CCPC 哈尔滨 B
0/1分数规划
中位数及带权中位数题集
code forces 1051 d
Educational Codeforces Round 51 (Rated for Div. 2) The Shortest Statement
Codeforces Round #511 (Div. 2) C. Enlarge GCD
POJ 3694 (tarjan缩点+LCA+并查集)
Hdu5921 Binary Indexed Tree