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Fix off by one error

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This commit is contained in:
Hubert Van De Walle 2020-12-09 10:37:24 +01:00
parent 9aa3c1cace
commit 67c9cf0391
1 changed files with 2 additions and 2 deletions
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4
days/src/main/kotlin/Day09.kt
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@ -25,8 +25,8 @@ class Day09(@Lines val input: Input<LongArray>) {
} }
private fun isValid(windowStart: Int, last: Long): Boolean { private fun isValid(windowStart: Int, last: Long): Boolean {
for (i in windowStart..windowStart + 25) { for (i in windowStart until windowStart + 25) {
for (j in windowStart + 1..windowStart + 25) { for (j in windowStart + 1 until windowStart + 25) {
val f = input.value[i] val f = input.value[i]
val s = input.value[j] val s = input.value[j]
if (f + s == last && f != s) return true if (f + s == last && f != s) return true