1128. N Queens Puzzle (20) 时间限制 300 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue The "eight queens puzzle" is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other. Thus, a solutio…

题目链接 https://www.patest.cn/contests/pat-a-practise/1128 思路 可以 对每一个皇后 都判断一下 它的 行,列 ,左右对角线上 有没有皇后 深搜解决 但是这样太麻烦 其实我们可以想到 要符合要求的摆放 就是做到 每一行 每一列 每一条对角线 上 都是只有一个皇后的 每一行 就不用判断了 然后可以用 map 标记 该列 该对角线上 是否是已经有皇后的 如果已经有 那么就flag = 0 如果没有 就标记 然后 左对角线 上的特点就是 每个元素的…

https://pintia.cn/problem-sets/994805342720868352/problems/994805348915855360 The "eight queens puzzle" is the problem of placing eight chess queens on an 8×8chessboard so that no two queens threaten each other. Thus, a solution requires that no…

The "eight queens puzzle" is the problem of placing eight chess queens on an 8 chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagonal. The eight queens puzzle is…

博主欢迎转载,但请给出本文链接,我尊重你,你尊重我,谢谢~http://www.cnblogs.com/chenxiwenruo/p/6789810.html特别不喜欢那些随便转载别人的原创文章又不给出链接的所以不准偷偷复制博主的博客噢~~ 一开始以为是八皇后问题,这不就需要状态压缩dp嘛,PAT没想到竟然还会考这个往后看才发现,原来只是判断是否是八皇后问题的一个解而已. 很明显,八皇后的一个解,每条行.列.对角线最多有1个皇后所以for一遍的时候,相应行.列.对角线的个数++,如果有大于1的,…

1128 N Queens Puzzle (20 分)   The "eight queens puzzle" is the problem of placing eight chess queens on an 8 chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagon…

1128 N Queens Puzzle(20 分) The "eight queens puzzle" is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagona…

PAT甲级:1152 Google Recruitment (20分) 题干 In July 2004, Google posted on a giant billboard along Highway 101 in Silicon Valley (shown in the picture below) for recruitment. The content is super-simple, a URL consisting of the first 10-digit prime found…

The "eight queens puzzle" is the problem of placing eight chess queens on an 8 chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagonal. The eight queens puzzle is…

1041 Be Unique (20 分) Being unique is so important to people on Mars that even their lottery is designed in a unique way. The rule of winning is simple: one bets on a number chosen from [1,10​4​​]. The first one who bets on a unique number wins. For…