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!changed mathutil package to mathy, removed int/string casting from mathy

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This commit is contained in:
alexchao26
2020-12-27 17:21:33 -05:00
parent 57fff6d829
commit 666518f507
114 changed files with 780 additions and 287 deletions
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2020/day10/main.go
+8 -7
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@@ -6,7 +6,8 @@ import (
"sort"
"strings"
"github.com/alexchao26/advent-of-code-go/algo"
"github.com/alexchao26/advent-of-code-go/cast"
"github.com/alexchao26/advent-of-code-go/mathy"
"github.com/alexchao26/advent-of-code-go/util"
)
@@ -29,7 +30,7 @@ func main() {
func part1(input string) int {
nums := parseInput(input)
nums = append(nums, mathutil.MaxInt(nums...)+3)
nums = append(nums, mathy.MaxInt(nums...)+3)
sort.Ints(nums)
var oneDiff, threeDiff int
@@ -51,7 +52,7 @@ func part1(input string) int {
func part2(input string) int {
nums := parseInput(input)
nums = append(nums, mathutil.MaxInt(nums...)+3)
nums = append(nums, mathy.MaxInt(nums...)+3)
sort.Ints(nums)
// return dynamicProgramming(input)
@@ -63,7 +64,7 @@ func parseInput(input string) []int {
lines := strings.Split(input, "\n")
for _, l := range lines {
ans = append(ans, mathutil.StrToInt(l))
ans = append(ans, cast.ToInt(l))
}
return ans
@@ -100,16 +101,16 @@ func memoCountPossibilities(nums []int, lastJolt int) int {
return count
}
func makeMemoKey(nums []int, lastJolt int) string {
ans := algo.IntToStr(lastJolt) + "x"
ans := cast.ToString(lastJolt) + "x"
for _, v := range nums {
ans += algo.IntToStr(v)
ans += cast.ToString(v)
}
return ans
}
func dynamicProgramming(input string) int {
nums := parseInput(input)
nums = append(nums, mathutil.MaxInt(nums...)+3, 0)
nums = append(nums, mathy.MaxInt(nums...)+3, 0)
sort.Ints(nums)
// initialize table with "1 way" to get to zero jolts