let massive = [63, 128, -51, -78, -33, 9, 811, 7, -34, 53];
function malomnogo(arr) {
let max = arr[0];
let indexOfMax;
for (let i = 0; i < arr.length; i++) {
if (arr[i] > max) {
max = arr[i];
indexOfMax = i;
}
}
if (indexOfMax % 2 == 0) {
for (let i = 0; i < arr.length; i++) {
for (let j = i + 1; j < arr.length; j++) {
if (arr[i] > arr[j] && arr[j] < 0) {
let x = arr[i];
arr[i] = arr[j];
arr[j] = x;
}
if (arr[i] < arr[j] && arr[j] < 0) {
let x = arr[i];
arr[i] = arr[j];
arr[j] = x;
}
}
}
} else {
for (let i = 0; i < arr.length; i++) {
for (let j = i + 1; j < arr.length; j++) {
if (arr[i] > arr[j] && arr[j] < 0) {
let x = arr[i];
arr[i] = arr[j];
arr[j] = x;
}
}
}
}
return arr;
}
console.log(malomnogo(massive));