function solution(angle) {
var answer = 0;
if(0 < angle && angle < 90) {
return answer = 1;
} else if(angle == 90) {
return answer = 2;
} else if(90 < angle && angle < 180) {
return answer = 3;
} else if(angle == 180) {
return answer = 4;
}
return answer;
}
function solution(angle) {
return [0, 90, 91, 180].filter(x => angle>=x).length;
}