Stock Exchange Losses - Solution

SEL.js

var n = parseInt(readline());
var inputs = readline().split(' ');

var values = [];

for (var i = 0; i < n; i++) {
    var v = parseInt(inputs[i]);
    values.push(v);
}

maximal_loss = (values) => {
    let subtractions = [];
    values.reduce((prev, next) => {
        subtractions.push((next - prev) < 0 ? next - prev : 0);
        if (next < prev) 
            return prev;
        return next;    
     });

    return Math.min(...subtractions);
}

print(maximal_loss(values));