括号匹配

#include<bits/stdc++.h>
#include<string.h>
#include<stack>

using namespace std;

bool ParenthesisMatch(string l){
    stack<char>s;
    int flag;
    for(int i=0;i<l.length();i++){
        if(l[i]=='('){
            s.push(l[i]);
        }
        if(l[i]==')'){
            if(s.empty()){
                cout<<"此括号串不匹配"<<endl;
                return false;
            }
            if(s.top()=='('){
                s.pop();
            }else{
                cout<<"此括号串不匹配"<<endl;
                return false;
            }
        }
    }
    if(s.empty()){
        cout<<"此括号串匹配"<<endl;
    }else{
        cout<<"此括号串不匹配"<<endl;
    }
}
int main(){
    string t;
    cin>>t;
    ParenthesisMatch(t);
    return 0;
}