71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package main
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import (
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"strconv"
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"strings"
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"github.com/StevanFreeborn/advent-of-code-2025/cmd/06/problem"
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"github.com/StevanFreeborn/advent-of-code-2025/internal/file"
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)
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func SolvePartOne(filePath string) int {
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input := file.ReadAllLines(filePath)
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numOfRows := len(input)
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numOfCols := len(strings.Fields(input[0]))
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operatorRowNumber := numOfRows - 1
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operators := strings.Fields(input[operatorRowNumber])
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total := 0
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for col := range numOfCols {
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operator := operators[col]
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operands := []int{}
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for row := range operatorRowNumber {
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operand, _ := strconv.Atoi(strings.Fields(input[row])[col])
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operands = append(operands, operand)
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}
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problem := problem.From(operator, operands)
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result := problem.Solve()
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total += result
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}
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return total
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}
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func SolvePartTwo(filePath string) int {
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input := file.ReadAllLines(filePath)
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numOfRows := len(input)
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operatorRowIndex := numOfRows - 1
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operatorRow := input[operatorRowIndex]
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operatorRowLength := len(operatorRow)
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total := 0
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operands := []int{}
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for operatorIndex := operatorRowLength - 1; operatorIndex >= 0; operatorIndex-- {
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var operandBuilder strings.Builder
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for row := range numOfRows - 1 {
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v := string(input[row][operatorIndex])
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operandBuilder.WriteString(v)
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}
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operandString := strings.TrimSpace(operandBuilder.String())
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operand, _ := strconv.Atoi(operandString)
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operands = append(operands, operand)
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operandBuilder.Reset()
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operator := string(operatorRow[operatorIndex])
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if operator != " " {
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total += problem.From(operator, operands).Solve()
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operatorIndex--
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operands = []int{}
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}
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}
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return total
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}
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