2022年7月13日
线段树之区间更新Color the ball
摘要： Description N个气球排成一排，从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球a开始到气球b依次给每个气球涂一次颜色。但是N次以后lele已经忘记了第I个气球已经涂过几次颜色了，你能帮他算出每个气球被涂过几次颜色 阅读全文
posted @ 2022-07-13 16:31 killjoyskr 阅读(18) 评论(0) 推荐(0)
线段树区间更新 Fast Arrangement
摘要： Description Chinese always have the railway tickets problem because of its' huge amount of passangers and stations. Now goverment need you to develop 阅读全文
posted @ 2022-07-13 16:03 killjoyskr 阅读(24) 评论(0) 推荐(0)