153. Find Minimum in Rotated Sorted Array - LeetCode
Question
153. Find Minimum in Rotated Sorted Array
Solution
题目大意:给一个按增序排列的数组,其中有一段错位了[1,2,3,4,5,6]变成[4,5,6,1,2,3],把1求出来
思路:遍历,如果当前元素比前一个元素小就是这个元素了
Java实现:
public int findMin(int[] nums) {
int ans = nums[0];
for (int i=0; i<nums.length; i++) {
int pre = i==0?nums[0]:nums[i-1];
if (nums[i] < pre) {
ans = nums[i];
break;
}
}
return ans;
}
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