darrenfu

void merge(int[] arr, int start, int mid, int end, int[] tmp) {
	int i = 0;
	int j = 0;
	int k = 0;
	while (i <= mid && j <= end) {
		if (arr[i] < arr[j]) {
			tmp[k++] = arr[i++];
		} else {
			tmp[k++] = arr[j++];
		}

darrenfu

var nums = new Array();
for (var i=0;i<10;i++){
	nums.push(i);
}
var outputs = [0,0,0,0];
for (var j=0;j<4;j++){
	var idx = (Math.random() * nums.length) | 0;
	outputs[j] = nums[idx];
	nums.splice(idx,1);
}

darrenfu

private static int[] BASE_CHARS;

static {
    BASE_CHARS = new int[26];
    int a_idx = (int)'a';
    for (int i=0; i<26; i++) {
        BASE_CHARS[i] = a_idx + i;
    }
}