day 10, part 2, no need to buffer, spare 10 loc

This commit is contained in:
setop 2023-01-01 20:14:00 +01:00
parent 4f3a52c210
commit 192d9b1ad6
1 changed files with 3 additions and 13 deletions

View File

@ -1,20 +1,10 @@
BEGIN { x=1 }
function inc() {
i = (c%40)
A[c+1] = (i==x-1||i==x||i==x+1) ? "█" : "░"
c+=1
i = (c++%40) # inc c after
printf "%s", (i==x||i==x+1||i==x+2) ? "█" : " "
if (i == 39) { print "" }
}
{ inc() }
$1 == "addx" {
inc()
x+=$2
}
END {
for (i=0;i<=5;i++) {
r = ""
for (j=1;j<=40;j++) {
r = r A[i*40+j]
}
print r
}
}