package main

import (
	"bufio"
	"log"
	"os"
	"strconv"
)

func mod(a int, b int) int {
	return (a%b + b) % b
}

func One() {
	cur := 50
	n_zeroes := 0

	file, err := os.Open("one.txt")
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)

	for scanner.Scan() {
		text := scanner.Text()

		num, err := strconv.Atoi(text[1:])
		if err != nil {
			log.Fatal(err)
		}

		var next_pre_modulo int = 0
		if text[0] == 'R' {
			next_pre_modulo = cur + num
			n_zeroes += next_pre_modulo / 100
		} else {
			next_pre_modulo = cur - num
			if next_pre_modulo <= 0 {
				extra := (next_pre_modulo / -100)

				// Omg you sneaky fuck!  We only add one if we didn't start on
				// 0 already.
				if cur != 0 {
					extra += 1
				}

				n_zeroes += extra
			}
		}

		cur = mod(next_pre_modulo, 100)
		log.Printf("Next pre mod: %d, post mod: %d, n zeroes: %d", next_pre_modulo, cur, n_zeroes)
	}

}

func main() {
	One()
}