Description It's a hot summer day, and Farmer John is letting Betsy go to the water park where she intends to ride every single slide. The water park has N (1 <= N <= 10,000) platforms (numbered 1..N) from which to enter the M (1 <= M <= 10,00…
Water Slides 滑水 [问题描述] It's a hot summer day, and Farmer John is letting Betsy go to the water park where she intends to ride every single slide. The water park has N (1 <= N <= 10,000) platforms (numbered 1..N) from which to enter the M (1 <= M…
1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 631 Solved: 445[Submit][Status][Discuss] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height…
先考虑只能往一边传播,最后正反两边就行 一向右传播为例,一头牛能听到的嚎叫是他左边的牛中与高度严格小于他并且和他之间没有更高的牛,用单调递减的栈维护即可 #include<iostream> #include<cstdio> using namespace std; const int N=50005; int n,a[N],v[N],p[N],q[N],s[N],top,ans; int read() { int r=0,f=1; char p=getchar(); while(…
1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 489 Solved: 338[Submit][Status] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height h in the…
1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 526 Solved: 365[Submit][Status] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height h in the…
1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 961 Solved: 679[Submit][Status][Discuss] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height…
3479: [Usaco2014 Mar]Watering the Fields Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 174 Solved: 97[Submit][Status][Discuss] Description Due to a lack of rain, Farmer John wants to build an irrigation system to send water between his N fields (1…
1648: [Usaco2006 Dec]Cow Picnic 奶牛野餐 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 554 Solved: 346[Submit][Status][Discuss] Description The cows are having a picnic! Each of Farmer John's K (1 <= K <= 100) cows is grazing in one of N (1 <= N <…