Leetcode 面试题 17.04 消失的数字
int missingNumber(int* nums, int numsSize)
{
assert(nums);
int ret = 0;
for (int i = 0; i <= numsSize; i++)
{
ret ^= i;
}
for (int i = 0; i<numsSize; i++)
{
ret ^= nums[i];
}
return ret;
}