摘要:
Farmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M≤ 12; 1 ≤ N ≤ 12) square parcels. He wants to grow some yummy corn f 阅读全文
摘要:
#include<cstdio> #include<queue> using namespace std; struct sss { int x,y; }ans[6][6]; int map[6][6]; int flag[6][6]; int dec[4][2]={1,0,0,1,-1,0,0,- 阅读全文
摘要:
The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (also known as 'Rock, Paper, Scissors', 'Ro, Sham 阅读全文
摘要:
Given an N*N matrix with each entry equal to 0 or 1. You can swap any two rows or any two columns. Can you find a way to make all the diagonal entries 阅读全文