hoiogi

def printPyramid(num):
    data = list(range(1, num)) + list(range(num, 0, -1))
    for i in data:
        result = ' ' * (i-1)
        if i == 1:
            result += ''.join(str(x) for x in data)
        else:
            result += ''.join(str(x) for x in data[i-1:-i+1])
        print(result)

hoiogi

public class RC4 {

  public static byte[] Encrypt(byte[] pwd, byte[] data) {
    int a, i, j, k, tmp;
    int[] key, box;
    byte[] cipher;

    key = new int[256];
    box = new int[256];
    cipher = new byte[data.Length];