2018年8月2日
Cows
摘要： Farmer John's cows have discovered that the clover growing along the ridge of the hill (which we can think of as a one-dimensional number line) in his 阅读全文
posted @ 2018-08-02 21:03 左手边五十米 阅读(492) 评论(0) 推荐(0)
Stars(树状数组单点更新）
摘要： Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star 阅读全文
posted @ 2018-08-02 20:44 左手边五十米 阅读(404) 评论(0) 推荐(0)
线段树模板(单点更新）
摘要： 1 #include<cstdio> 2 #include<cstring> 3 #include<cmath> 4 #include<iostream> 5 #include<algorithm> 6 using namespace std; 7 const int MAXN=2e5+10; 8 阅读全文
posted @ 2018-08-02 20:27 左手边五十米 阅读(185) 评论(0) 推荐(0)
Color the ball (线段树的区间更新问题）
摘要： 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吗？ Input每个测试 阅读全文
posted @ 2018-08-02 20:25 左手边五十米 阅读(200) 评论(0) 推荐(0)
Just a Hook(树状数组)
摘要： In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several consecutive metallic 阅读全文
posted @ 2018-08-02 20:16 左手边五十米 阅读(395) 评论(1) 推荐(0)