图片说明
for_each()打印在类内需要是static函数,确保能够找到Solution::pp

class Solution {
public:
    static void pp(int i){
        cout<<i<<" "<<endl;
    }
    int FindGreatestSumOfSubArray(vector<int> array) {
        const int len=array.size();
        vector<int> dp(len+1);
        dp[0]=array[0];
        int res=dp[0];
        for(int i=1;i<len;i++){  
            //note array[i] neither dp[i]
            dp[i]=max(array[i],dp[i-1]+array[i]);
            res=max(res,dp[i]);

        }
        for_each(dp.begin(), dp.end(), Solution::pp);
        return res;
    }
};