【LeetCode 20】关关的刷题日记45 – Valid Parenthese

class Solution {
public:
    bool isValid(string s) {
        stack<char>store;
        for(int i=0; i<s.size(); i++)
        {
            if(s[i]=='(' || s[i]=='{' || s[i]=='[')
                store.push(s[i]);
            else
            {
                if(store.empty())
                    return false;
                else
                {
                    int temp=store.top();
                    if( s[i]==')' && temp=='(' || s[i]==']' && temp=='[' || s[i]=='}' && temp=='{')
                        store.pop();
                    else
                        return false;
                }        
            }
        }
        if(store.empty())
            return true;
        else
            return false;
    }
};