ex arr 05

function solve(arr) {
    let newArr = [];
    let first = arr.shift();
    newArr.push(first);
    while(arr.length !== 0) {
        let[cur, next] = [newArr[newArr.length - 1], arr.shift()];
        if (next > cur) newArr.push(next);
    }
    newArr.forEach(i => console.log(i));
}