分糖果问题

阿里的测试题,只能用java写,恩,我就只通过了20%,后来网上找了答案,才知道忘记考虑=条件。

#include <iostream>
#include<vector>
using namespace std;
int candyCount(vector<int>&rating)
{
    int res=0;
    int n=rating.size();

    vector<int>candy(n,1);
    //从左往右遍历
    for(int i=0;i<n-1;i++)
    {
        if(rating[i+1]>rating[i])
           candy[i+1]=candy[i]+1;
    }
    //从右往左遍历
    for(int i=n-1;i>0;i--)
    {
        if(rating[i-1]>rating[i]&&candy[i-1]<=candy[i])
            candy[i-1]=candy[i]+1;
    }
    for(auto a:candy)
        res+=a;
    return res;
}

int main()
{

    vector<int>rating{1,3,2,1,4,5,2};
    cout<<candyCount(rating)<<endl;
    cout << "Hello world!" << endl;
    system("pause");
    return 0;
}

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转载自blog.csdn.net/qq_17141957/article/details/81095093
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