- class Solution {
- public int removeDuplicates(int[] nums) {
- int i = 0;
- for( int num : nums){
- if( i <2 || num> nums[i-2]){
- nums[i++] = num;
- }
- }
- return i;
- }
- }
- 299. Bulls and Cows
- class Solution {
- public String getHint(String secret, String guess) {
- int bulls =0;
- int cows = 0;
- int[] numbers = new int[10];
- for(int i = 0; i <secret.length(); i++){
- if(secret.charAt(i) == guess.charAt(i)) bulls++;
- else{
- if(numbers[secret.charAt(i) - '0']++ < 0 ) cows++;
- if(numbers[guess.charAt(i) - '0']--> 0) cows++;
- }
- }
- return bulls + "A" + cows + "B";
- }
- }
- 11/1
来源: http://www.bubuko.com/infodetail-3268531.html