process.stdin.resume(); process.stdin.setEncoding('ascii'); var input_stdin = ""; var input_stdin_array = ""; var input_currentline = 0; process.stdin.on('data', function (data) { input_stdin += data; }); process.stdin.on('end', function () { input_stdin_array = input_stdin.split("\n"); main(); }); function readLine() { return input_stdin_array[input_currentline++]; } /////////////// ignore above this line //////////////////// function main() { var n = parseInt(readLine()); a = readLine().split(' '); a = a.map(Number); // your code goes here a.sort(function(a,b) {return Number(a) - Number(b)}); var min_val = Math.abs(a[1] - a[0]); for (var i=2; i