import java.util.ArrayList;
public class Solution {
    public int minNumberInRotateArray(int [] array) {
     int len =array.length;
        if(len<=0){
            return -1;
        }
        int minVal=array[0];
        for(int i=0;i<len;i++){
            if(array[i]<minVal){
                minVal=array[i];
                break;
            }
        }
        return minVal;
    }
}