LCP 61. 气温变化趋势

LCP 61. 气温变化趋势

题目链接：LCP 61. 气温变化趋势

代码如下：

class Solution 
{
public:
    int temperatureTrend(vector<int>& temperatureA, vector<int>& temperatureB) 
    {
        //上升1，平稳0，下降-1
        vector<int> changeA(temperatureA.size()-1);
        vector<int> changeB(temperatureB.size()-1);

        //统计temperatureA的变化
        for(int i=0;i<temperatureA.size()-1;i++)
        {
            if(temperatureA[i]<temperatureA[i+1])   {changeA[i]=1;}
            else if(temperatureA[i]==temperatureA[i+1]) {changeA[i]=0;}
            else{changeA[i]=-1;}
        }

        //统计temperatureB的变化
        for(int i=0;i<temperatureB.size()-1;i++)
        {
            if(temperatureB[i]<temperatureB[i+1])
            {changeB[i]=1;}
            else if(temperatureB[i]==temperatureB[i+1])
            {changeB[i]=0;}
            else
            {changeB[i]=-1;}
        }

        int count=0,res=0;;
        for(int i=0;i<changeA.size();i++)
        {
            if(changeA[i]==changeB[i])  {count++;}
            else    {count=0;}
            res=max(res,count);
        }
        return res;
    }
};