diff --git a/src/aoc2024/Day07.kt b/src/aoc2024/Day07.kt
index 4ff38d8..be60ee4 100644
--- a/src/aoc2024/Day07.kt
+++ b/src/aoc2024/Day07.kt
@@ -3,7 +3,6 @@ package aoc2024
 import println
 import readInput
 import splitLongs
-import kotlin.math.pow
 
 /*
 --- Day 7: Bridge Repair ---
@@ -81,15 +80,18 @@ fun main() {
             val numbers = i.splitLongs(" ", ":")
             val eqres = numbers[0]
             val ops = numbers.drop(1)
-            val combs = 3.0.pow(ops.size - 1).toInt()
+            val combs = powThreeTable[ops.size - 1]
             for (t in 0 until combs) {
-                val res = ops.reduceIndexed { index, acc, l ->
-                    when ((t / powThreeTable[index - 1]) % 3) {
-                        0 -> acc + l
-                        1 -> acc * l
-                        2 -> acc * powTenTable[fastCeilLog10(l)] + l
-                        else -> throw IllegalArgumentException()
+                var res = ops[0]
+                for (index in 1 until ops.size) {
+                    val l = ops[index]
+                    res = when ((t / powThreeTable[index - 1]) % 3) {
+                        0 -> res + l
+                        1 -> res * l
+                        2 -> res * powTenTable[fastCeilLog10(l)] + l
+                        else -> 0
                     }
+                    if (res > eqres) break
                 }
                 if (res == eqres) {
                     sum += eqres