Merge

2023/6/2/solution.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+if [[ "${TRACE-0}" == "1" ]]; then
+  set -o xtrace
+fi
+
+cd "$(dirname "$0")"
+
+INPUT="$1"
+
+main ()
+{
+  time_record=$(grep Time "${INPUT}" | cut -d : -f 2 | tr -d ' ')
+  distance_record=$(grep Distance "${INPUT}" | cut -d : -f 2 | tr -d ' ')
+  for ((t=1; t<time_record; t++)); do
+    t_remaining=$((time_record-t))
+    distance=$((t*t_remaining))
+    if [[ ${distance} -gt ${distance_record} ]]; then
+      first_winning="${t}"
+      last_winning=$((time_record-first_winning))
+      winning=$((last_winning-first_winning+1))
+      break
+    fi
+  done
+  echo "${winning}"
+}
+
+main