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Implement day 4 part 2.

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Bert Peters
2017-12-04 10:20:06 +01:00
parent 108ded3ca5
commit cd2acfd143
3 changed files with 36 additions and 2 deletions
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22
2017/day-04/solution.awk
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@@ -1,22 +0,0 @@
BEGIN {
valid=0
}
{
duplicates=0
for (i=1;i<=NF;i++) {
a[$i]++
}
for (x in a)
{
if(a[x]>1)
duplicates++
}
for (x in a)
delete a[x]
if(duplicates==0)
valid++
}
END {
print valid
}