From a928216332e726b54fa4e2caa0749b92e3b17a33 Mon Sep 17 00:00:00 2001
From: Eric Mertens <emertens@gmail.com>
Date: Wed, 16 Nov 2022 21:23:40 -0800
Subject: [PATCH] fixup

---
 2019/21.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/2019/21.cpp b/2019/21.cpp
index f88b1e4..95c1e0a 100644
--- a/2019/21.cpp
+++ b/2019/21.cpp
@@ -63,7 +63,7 @@ auto QuineMcCluskey(
     std::vector<std::set<std::string>> nextbatch;
     nextbatch.resize(current.size()-1);
 
-    for (std::size_t ones = 0; ones+1 < nextbatch.size(); ones++) {
+    for (std::size_t ones = 0; ones+1 < current.size(); ones++) {
       if (!current[ones+1].empty()) {
         for (auto const& t1 : current[ones]) {
           for (auto const& t2 : current[ones+1]) {
@@ -245,7 +245,7 @@ auto Compute(
           auto const terms = QuineMcCluskey(p, sensor.size(), cases);
           std::cout << (p ? "\nTRUE\n" : "\nFALSE\n");
           for (auto const s : sensor) {
-            std::cout << char('A'+s);
+            std::cout << char('A'+s-1);
           }
           std::cout << std::endl;
           for (auto const& term : terms) {