标签:cti otto code div span san public should turned
Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target number.
The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note that your returned answers (both index1 and index2) are not zero-based.
You may assume that each input would have exactly one solution and you may not use the same element twice.
Input: numbers={2, 7, 11, 15}, target=9
Output: index1=1, index2=2
static public int[] TwoSum(int[] numbers, int target) {
if (numbers == null || numbers.Length < 1) {
return null;
}
int left = 0;
int right = numbers.Length - 1;
while (left < right) {
if (numbers[left] + numbers[right] > target) {
right--;
} else if (numbers[left] + numbers[right] < target) {
left++;
}else if(numbers[left] + numbers[right] == target) {
int[] result = { left + 1,right + 1};
return result;
}
}
return null;
}
167. 找两个数,数组已排序 Two Sum II - Input array is sorted
标签:cti otto code div span san public should turned
原文地址:http://www.cnblogs.com/xiejunzhao/p/c4a79265da5811595ec8d12fe625afa9.html