POJ2456 Aggressive cows(二分)】的更多相关文章

Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,-,xN (0 <= xi <= 1,000,000,000). His C (2 <= C <= N) cows don't like this barn layout and…
如果C(d)为满足全部牛之间的距离都不小于d. 先对牛舍的位置排序,然后二分枚举d,寻找满足条件的d. #include<iostream> #include<cstdio> #include<cstring> #include<cstdlib> #include<algorithm> #include<queue> #include<set> #include<map> #include<vector&…
/* 二分法的应用:最大化最小值 POJ2456 Aggressive cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 18125 Accepted: 8636 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight li…
Aggressive cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: Accepted: Description Farmer John has built a <= N <= ,) stalls. The stalls are located along a straight line at positions x1,...,xN ( <= xi <= ,,,). His C ( <= C &l…
Aggressive cows 二分,关键是转化为二分! #include <cstdio> #include <algorithm> ; ; int N, C; int a[maxN]; using namespace std; bool judge(int x) { ; ; i < C;i++) { ; while (ctr < N && (a[ctr]-a[s] < x)) { ctr++; } if (ctr==N) { return fa…
Aggressive cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 22674 Accepted: 10636 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...,x…
Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13993   Accepted: 6775 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,..…
Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 18099   Accepted: 8619 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,..…
Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7924   Accepted: 3959 Description Farmer John has built a new long barn, with N (2 <= N <= 100,000) stalls. The stalls are located along a straight line at positions x1,...…
https://vjudge.net/problem/POJ-2456 二分,从最大长度开始,不断折半试,如果牛全放下了,就是可行,修改下界,否则改上届. #include<iostream> #include<cstdio> #include<queue> #include<cstring> #include<algorithm> #include<cmath> #include<map> #define lson l,…