520. Detect Capital

2018-03-22  本文已影响9人  安东可

520. Detect Capital
[思路:]
首部检测:

    bool detectCapitalUse(string word) {
        int s=0;
        int sum=0;
        bool head= false;
        for(int i=0;i<word.size();i++){
            s = word[i] - toupper(word[i]);
            if(i == 0 && s==0)
                head=true;
            if(s ==32)
                sum++; //小写

        }
        cout<<"sum:"<<sum<<endl;
        int max = word.size();
        if(sum == max || (head == true && sum==0) || (head == true && sum ==max -1))
            return true;
        
        return false;
    }
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