Created
October 6, 2018 23:20
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<?php | |
// Complete the kangaroo function below. | |
function kangaroo($x1, $v1, $x2, $v2) { | |
$xc1=$x1; $xc2=$x2; | |
for($i=$x1;$i<$x2;$i++){ | |
$xc1+=$v1; | |
$xc2+=$v2; | |
if ($xc1==$xc2) return "YES"; | |
} | |
return "NO"; | |
} | |
$fptr = fopen(getenv("OUTPUT_PATH"), "w"); | |
$stdin = fopen("php://stdin", "r"); | |
fscanf($stdin, "%[^\n]", $x1V1X2V2_temp); | |
$x1V1X2V2 = explode(' ', $x1V1X2V2_temp); | |
$x1 = intval($x1V1X2V2[0]); | |
$v1 = intval($x1V1X2V2[1]); | |
$x2 = intval($x1V1X2V2[2]); | |
$v2 = intval($x1V1X2V2[3]); | |
$result = kangaroo($x1, $v1, $x2, $v2); | |
fwrite($fptr, $result . "\n"); | |
fclose($stdin); | |
fclose($fptr); |
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