28 lines
815 B
JavaScript
28 lines
815 B
JavaScript
const sumAll = (n1,n2)=>{
|
|
return (typeof(n1 && n2) === 'number'? (n1 < n2 ? firstNumberGreater(n1,n2):lastNumberGreater(n1,n2)) : 'ERROR')
|
|
};
|
|
|
|
const firstNumberGreater = (first_num,last_num)=>{
|
|
let i;
|
|
let new_num;
|
|
Math.sign(first_num) === 1 && Math.sign(last_num) === 1?(i = first_num - 1 , new_num = first_num -1):(i = first_num - 1, new_num = 0);
|
|
while(i < last_num){
|
|
i++;
|
|
new_num += i;
|
|
}
|
|
return new_num;
|
|
};
|
|
const lastNumberGreater = (first_num,last_num)=>{
|
|
let i;
|
|
let new_num;
|
|
Math.sign(first_num) === 1 && Math.sign(last_num) === 1?(i = last_num - 1 , new_num = last_num -1):(i = last_num - 1, new_num = 0);
|
|
while(i < first_num){
|
|
i++;
|
|
new_num += i;
|
|
}
|
|
return new_num;
|
|
};
|
|
|
|
// Do not edit below this line
|
|
module.exports = sumAll;
|