function print3largest(arr) {
const size = arr.length;
if (size < 3) {
console.log("array size < 3");
return;
}
let first, second, third;
third = first = second = Number.MIN_VALUE;
for(let i = 0; i < size; i++) {
if (arr[i] > first) {
third = second;
second = first;
first = arr[i];
}
else if (arr[i] > second) {
third = second;
second = arr[i];
}
else if (arr[i] > third)
third = arr[i];
}
console.log("The three largest elements are: " + first + " " + second + " " + third);
}
const arr = [5, 2, 9, 6, 12, 7, 8, 3, 1, 0];
print3largest(arr);
/*
run:
The three largest elements are: 12 9 8
*/