Narkoman Roots

var e = [], x, a = 0, au = 0, ad = 0;
while((x = prompt()) && !isNaN(x)) {
    e.push(Number(x));
    a += e[e.length-1];
}
a = (a/e.length)
for(var i = 0; i < e.length; i++) {
    if(e[i] > a)
        au += 1;
    if(e[i] < a)
        ad += 1;
}
console.log(e);
console.log(a);
console.log('above:', au, 'below:', ad);

for(var i = 0; i < e.length; i++) {
    var min = i;
    for(var j = i + 1; j < e.length; j++) {
        if (e[min] > e[j]) {
            min = j;
        }
    }
    if(min != i) {
        var tmp = e[i];
        e[i] = e[min];
        e[min] = tmp;
    }
}
console.log(e);


var c = 100, z = [];
for(var i = 0; i < c; i++) {
    z.push(true);
}

for(var i = 2; i < Math.sqrt(c); i++) {
    for(var o = (i*2); o <= c; o+=i) {;
        z[o-1] = false
    }
}
for(var i = 0; i < c; i++) {
    console.log(i+1, z[i]);
}

var r = [], rx = 10, ry = 10, rrsmx = [-1, 0];
for(var i = 0; i < rx; i++) {
    var rr = [], rrs = 0;
    for(var ii = 0; ii < ry; ii++) {
        rr.push(Math.random());
        rrs += rr[rr.length-1];
    }
    if(rrs > rrsmx[1]) {
        rrsmx[0] = i;
        rrsmx[1] = rrs;
    }
    r.push(rr);
}
console.log(rrsmx);