#3404. [GESP202406 五级 C++] 第 11 题
[GESP202406 五级 C++] 第 11 题
根据下述二分查找法,在排好序的数组 1, 3, 6, 9, 17, 31, 39, 52, 61, 79, 81, 90, 96 中查找数值82,和82比较的数组元素分别是( )。
int binary_search(vector<int>& nums, int target) {
int left = 0;
int right = nums.size() - 1;
while (left <= right) {
int mid = (left + right) / 2;
if (nums[mid] == target) {
return mid;
} else if (nums[mid] < target) {
left = mid + 1;
} else {
right = mid - 1;
}
}
return -1; // 如果找不到目标元素,返回-1
}
{{ select(1) }}
- 52, 61, 81, 90
- 52, 79, 90, 81
- 39, 79, 90, 81
- 39, 79, 90