minMaxARR

let input = [
    "3",
    "4",
    "1",
    "2"
];

let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);

let n = +gets();
var sum = 0;
let arr = [] ;

for (let i = 0 ; i < n ; ++i)
{
    arr.push( +gets() );
}

let max = Math.max.apply(null,arr);
let min = Math.min.apply(null,arr);

print(`min=${min.toFixed(2)}`);
print(`max=${max.toFixed(2)}`);

for(let i = 0; i < n ; i++)
{
sum = sum + arr[i];
}

print(`sum=${sum.toFixed(2)}`);
print(`avg=${(sum/n).toFixed(2)}`);