function solution(arr) {
var answer = [];
let min = arr[0];
let index = 0;
for (let i = 0; i < arr.length; i++){
let currentNum = arr[i];
if (min > currentNum) {
min = currentNum;
index = i;
}
}
arr.splice(index, 1);
if (arr.length === 0) arr = [-1];
return answer = arr;
}