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queens: count complete boards from --json #15

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Merged
sajonaro merged 1 commit into from
Oct 3, 2026
Merged

queens: count complete boards from --json #15

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9 changes: 6 additions & 3 deletions run-tests.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -93,9 +93,12 @@ queens() {
# A complete board is a dead end reached in EIGHT moves — one per column,
# since the cursor advances exactly once per placement. The other dead ends
# are stuck prefixes, whose routes are shorter, which is why this counts
# route length rather than dead ends.
n=$(printf '%s\n' "$out" | grep 'reached by:' \
| awk -F'reached by:' '{ if (split($2, a, ",") == 8) c++ } END { print c+0 }')
# route length rather than dead ends. Counted from --json: the prose report
# lists only the first 20 dead ends.
n=$("$WRIT" check "$here/queens/queens.writ" --claims "$here/queens/queens.claims" \
--json --no-certificate 2>/dev/null \
| grep -o '"state":[0-9]*,"route":\[[^]]*\]' \
| awk -F'"move"' 'NF - 1 == 8 { c++ } END { print c+0 }')
if [ "$n" -eq 92 ]; then
ok "queens: B. all 92 complete boards are found (each a dead end)"
else
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