暴力破解

public:
    vector<int> maxInWindows(const vector<int>& num, unsigned int size) {
        
        vector<int>maxNum;
        if(num.size()==0||size<1||num.size()<size)
            return maxNum;
        for(int i=0;i<num.size()-size+1;++i){
            int j=i+size-1;
            int max=num[j];
            for(int k=i;k<j;++k){
                if(max<num[k])
                    max=num[k];
            }
            maxNum.push_back(max);
        }
        return maxNum;
        
    }
};