Skip to content

Updated label_queen_conflicts function #967

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
norvig merged 1 commit into from
Oct 4, 2018
Merged

Updated label_queen_conflicts function #967

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 5 additions & 11 deletions csp.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2821,19 +2821,13 @@
"def label_queen_conflicts(assignment,grid):\n",
" ''' Mark grid with queens that are under conflict. '''\n",
" for col, row in assignment.items(): # check each queen for conflict\n",
" row_conflicts = {temp_col:temp_row for temp_col,temp_row in assignment.items() \n",
" if temp_row == row and temp_col != col}\n",
" up_conflicts = {temp_col:temp_row for temp_col,temp_row in assignment.items() \n",
" if temp_row+temp_col == row+col and temp_col != col}\n",
" down_conflicts = {temp_col:temp_row for temp_col,temp_row in assignment.items() \n",
" if temp_row-temp_col == row-col and temp_col != col}\n",
" conflicts = {temp_col:temp_row for temp_col,temp_row in assignment.items() \n",
" if (temp_row == row and temp_col != col\n",
" or (temp_row+temp_col == row+col and temp_col != col)\n",
" or (temp_row-temp_col == row-col and temp_col != col)}\n",
" \n",
" # Place a 3 in positions where this is a conflict\n",
" for col, row in row_conflicts.items():\n",
" grid[col][row] = 3\n",
" for col, row in up_conflicts.items():\n",
" grid[col][row] = 3\n",
" for col, row in down_conflicts.items():\n",
" for col, row in conflicts.items():\n",
" grid[col][row] = 3\n",
"\n",
" return grid\n",
Expand Down