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package leetcode.binarySearch;

public class leetcode34 {

public static void main(String[] args) {

new leetcode34().searchRange(

new int[]{

1

},1

);

}

public int[] searchRange(int[] nums, int target) {

int result[]=new int[2];

result[0]=result[1]=-1;

int head=0;

int tail=nums.length-1;

while(head<=tail){

int md=(head+tail)/2;

if(target==nums[md]){

result[0]=result[1]=md;

int before=md;

int after=md;

while(--before>-1&&nums[before]==target){}

result[0]=before+1;

while(++after<nums.length&&nums[after]==target){}

result[1]=after-1;

break;

}else if(target>nums[md]){

head=md+1;

}else{

tail=md-1;

}

}

return result;

}

}