function printFirstItemThenFirstHalfThenSayHi100Times(items) {
console.log(items[0]);
var middleIndex = Math.floor(items.length / 2);
var index = 0;
while (index < middleIndex) {
console.log(items[index]);
index++;
}
for (let i = 0; i < 100; i++) {
console.log('hi');
}
}
// O (1 + n/2 + 100) = O(n)