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solution_12.go
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solution_12.go
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package main
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
)
// Complete the kangaroo function below.
func kangaroo(x1 int32, v1 int32, x2 int32, v2 int32) string {
if (x1<x2) && (v1>v2) || (x1>x2) && (v1<v2) {
if (x1-x2)%(v2-v1) == 0{
return "YES"
}else{
return "NO"
}
}else if (x1==x2) && (v1==v2){
return "YES"
}else{
return "NO"
}
}
func main() {
reader := bufio.NewReaderSize(os.Stdin, 1024 * 1024)
stdout, err := os.Create(os.Getenv("OUTPUT_PATH"))
checkError(err)
defer stdout.Close()
writer := bufio.NewWriterSize(stdout, 1024 * 1024)
x1V1X2V2 := strings.Split(readLine(reader), " ")
x1Temp, err := strconv.ParseInt(x1V1X2V2[0], 10, 64)
checkError(err)
x1 := int32(x1Temp)
v1Temp, err := strconv.ParseInt(x1V1X2V2[1], 10, 64)
checkError(err)
v1 := int32(v1Temp)
x2Temp, err := strconv.ParseInt(x1V1X2V2[2], 10, 64)
checkError(err)
x2 := int32(x2Temp)
v2Temp, err := strconv.ParseInt(x1V1X2V2[3], 10, 64)
checkError(err)
v2 := int32(v2Temp)
result := kangaroo(x1, v1, x2, v2)
fmt.Fprintf(writer, "%s\n", result)
writer.Flush()
}
func readLine(reader *bufio.Reader) string {
str, _, err := reader.ReadLine()
if err == io.EOF {
return ""
}
return strings.TrimRight(string(str), "\r\n")
}
func checkError(err error) {
if err != nil {
panic(err)
}
}