55 lines
892 B
Go
55 lines
892 B
Go
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package main
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import (
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"bufio"
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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type vector struct {
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x, y int
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}
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func main() {
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scanner := bufio.NewScanner(os.Stdin)
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scanner.Scan()
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line := scanner.Text()
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elts := strings.Split(line, "..")
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eltsx1 := strings.Split(elts[0], "=")
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x1, _ := strconv.Atoi(eltsx1[1])
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eltsx2 := strings.Split(elts[1], ",")
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x2, _ := strconv.Atoi(eltsx2[0])
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eltsy1 := strings.Split(elts[1], "=")
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y1, _ := strconv.Atoi(eltsy1[1])
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y2, _ := strconv.Atoi(elts[2])
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possible := 0
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for nextVx := 0; nextVx <= x2; nextVx++ {
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out:
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for nextVy := y1; nextVy < 1000; nextVy++ {
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vx := nextVx
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vy := nextVy
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x := 0
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y := 0
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for {
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if x >= x1 && x <= x2 && y >= y1 && y <= y2 {
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possible++
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continue out
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}
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if x > x2 || y < y1 {
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break
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}
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if vx >= 0 {
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x += vx
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vx--
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}
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y += vy
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vy--
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}
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}
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}
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fmt.Println(possible)
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}
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