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JavaBat

Name: Jesus 2009-02-11 20:37

Hey /programing/ i need some help w/ javabat.(array 1)

it would really help if i could have the user/pass of someones. i will not screw it up.




We'll say that a 1 immediately followed by a 3 in an array is an "unlucky" 1. Return true if the given array contains an unlucky 1 in the first 2 or last 2 positions in the array.

unlucky1({1, 3, 4, 5}) → true
unlucky1({2, 1, 3, 4, 5}) → true
unlucky1({1, 1, 1}) → false
public boolean unlucky1(int[] nums) {

Name: Anonymous 2009-02-12 23:41

perfect!

public boolean unlucky1(int[] nums) {
    int l = nums.length;
    if (l < 2) return false;
    if (nums[0] == 1 && nums[1] == 3 ||
        nums[1] == 1 && nums[2] == 3 ||
        nums[l-2] == 1 && nums[l-1] == 3)
        return true;
    return false;
}


unlucky1({1, 3, 4, 5}) → true    true    OK       
unlucky1({2, 1, 3, 4, 5}) → true    true    OK       
unlucky1({1, 1, 1}) → false    false    OK       
unlucky1({1, 3, 1}) → true    true    OK       
unlucky1({1, 1, 3}) → true    true    OK       
unlucky1({1, 2, 3}) → false    false    OK       
unlucky1({3, 3, 3}) → false    false    OK       
unlucky1({1, 3}) → true    true    OK       
unlucky1({1, 4}) → false    false    OK       
unlucky1({1}) → false    false    OK       
unlucky1({}) → false    false    OK       
unlucky1({1, 1, 1, 3, 1}) → false    false    OK       
unlucky1({1, 1, 3, 1, 1}) → true    true    OK       
unlucky1({1, 1, 1, 1, 3}) → true    true    OK       
unlucky1({1, 4, 1, 5}) → false    false    OK       
unlucky1({1, 1, 2, 3}) → false    false    OK       
unlucky1({2, 3, 2, 1}) → false    false    OK       
unlucky1({2, 3, 1, 3}) → true    true    OK       
unlucky1({1, 2, 3, 4, 1, 3}) → true    true    OK

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