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-rw-r--r--awk/nqueens.awk5
1 files changed, 5 insertions, 0 deletions
diff --git a/awk/nqueens.awk b/awk/nqueens.awk
index 423e71e..1baef8e 100644
--- a/awk/nqueens.awk
+++ b/awk/nqueens.awk
@@ -1,3 +1,8 @@
+# run with: 
+#  awk -f nqueens.awk
+# mawk -f nqueens.awk
+# etc.
+
 # Check if a position is safe for a queen
 function is_safe(board, row, col, N) {
     for (i = 1; i < row; i++) {