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Due date：2026.05.15 (Fri.) 23:30 遲交三天以上不收件!
Input: size n
Input: size n
Output: All solutions to the n-Queen problem (where the n queens in the nxn board would not attack each other)
Output: All solutions to the n-Queen problem (where the n queens in the nxn board would not attack each other)
Hint: Enumeration; Try-&-Error; Generating all possible queens' moves, removing illegal outcomes and keeping feasible solutions
input: n = 6
output: 4 solutions to the 4-Queen problem
(1) Each solution is represented as an 1D array where s[i]=j denotes "one Queen locates at position [i, j]"
(2) Each solution is represented as a 2D array where q[i, j]="Q" iff "one Queen locates at position [i, j]"
(3) Each solution is represented as a 2D StringGrid array
input: n = 7; output: 40 solutions to the 7-Queen problem
(1) Each solution is represented as an 1D array where s[i]=j denotes "one Queen locates at position [i, j]"
(2) Each solution is represented as a 2D array where q[i, j]="Q" iff "one Queen locates at position [i, j]"
(3) Each solution is represented as a 2D StringGrid array
Corresponding output for input: n = 7, 6, 5, 4, 3, 2
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