Betsy's TourDon Piele A square township has been divided up into N2 square plots (1 <= N <= 7). The Farm is located in the upper left plot and the Market is located in the lower left plot. Betsy takes her tour of the township going from Farm to Mark…
All Latin Squares 题目大意 n x n矩阵(n=2->7) 第一行1 2 3 4 5 ..N 每行每列,1-N各出现一次,求总方案数 题解 n最大为7 显然打表 写了个先数值后位置的暴搜 #include <bits/stdc++.h> #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) using namespace std; const…
从这里开始 比赛目录 我菜爆了. Problem A As Simple as One and Two 我会 AC 自动机上 dp. one 和 two 删掉中间的字符,twone 删掉中间的 o. Code #include <bits/stdc++.h> using namespace std; typedef bool boolean; const int N = 2e5 + 5; template <typename T> boolean vmin(T& a, T…
题目描述: 1015. Jill's Tour Paths Constraints Time Limit: 1 secs, Memory Limit: 32 MB Description Every year, Jill takes a bicycle tour between two villages. There are different routes she can take between these villages, but she does have an upper limit…
Sightseeing Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9703 Accepted: 3299 Description Farmer John has decided to reward his cows for their hard work by taking them on a tour of the big city! The cows must decide how best to…
Sightseeing tour Description The city executive board in Lund wants to construct a sightseeing tour by bus in Lund, so that tourists can see every corner of the beautiful city. They want to construct the tour so that every street in the city is vis…
