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import strutils
var x = 343
case stdin.readline.parseInt
of 0:
echo "most common case"
of 1:
{.linearScanEnd.}
echo "second most common case"
of 2: echo "unlikely: use branch table"
else:
echo "unlikely too: use branch table"
case x
of 23: echo "23"
of 343: echo "343"
of 21: echo "21"
else:
{.linearScanEnd.}
echo "default"
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