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#include <iostream>
    using namespace std;
    int top;
    void  check (char str[ ], int n, char stack [ ])
    {
        for(int i = 0 ; i < n ; i++ )
        {
            if (str [ i ] == ‘(’)
            {
                top = top + 1;
                stack[ top ] = ‘ ( ’;
            }
            if(str[ i ] == ‘)’ )
            {
                if(top == -1 )
                {
                    top = top -1 ;
                    break ;
                 }
                else
                {
                     top = top -1 ;
                }
            }
        }
        if(top == -1)
            cout << “String is balanced!” << endl;
        else
            cout << “String is unbalanced!” << endl ;
    }
 
    int main ( ) 
    {
        //balanced parenthesis string.
        char str[  ] = { '(' , 'a' , '+', ' ( ', 'b' , '-' , 'c' ,')' , ')'} ;
 
 
        char stack [ 15 ] ;
        top = -1;   
        check (str , 9 , stack );      //Passing balanced string   
          //Passing unbalanced string
        return 0;
 
    } 

prog.cpp:8:13: error: stray '\342' in program
             if (str [ i ] == ‘(’)
             ^
prog.cpp:8:13: error: stray '\200' in program
prog.cpp:8:13: error: stray '\230' in program
prog.cpp:8:13: error: stray '\342' in program
prog.cpp:8:13: error: stray '\200' in program
prog.cpp:8:13: error: stray '\231' in program
prog.cpp:11:17: error: stray '\342' in program
                 stack[ top ] = ‘ ( ’;
                 ^
prog.cpp:11:17: error: stray '\200' in program
prog.cpp:11:17: error: stray '\230' in program
prog.cpp:11:17: error: stray '\342' in program
prog.cpp:11:17: error: stray '\200' in program
prog.cpp:11:17: error: stray '\231' in program
prog.cpp:13:13: error: stray '\342' in program
             if(str[ i ] == ‘)’ )
             ^
prog.cpp:13:13: error: stray '\200' in program
prog.cpp:13:13: error: stray '\230' in program
prog.cpp:13:13: error: stray '\342' in program
prog.cpp:13:13: error: stray '\200' in program
prog.cpp:13:13: error: stray '\231' in program
prog.cpp:27:13: error: stray '\342' in program
             cout << “String is balanced!” << endl;
             ^
prog.cpp:27:13: error: stray '\200' in program
prog.cpp:27:13: error: stray '\234' in program
prog.cpp:27:13: error: stray '\342' in program
prog.cpp:27:13: error: stray '\200' in program
prog.cpp:27:13: error: stray '\235' in program
prog.cpp:29:13: error: stray '\342' in program
             cout << “String is unbalanced!” << endl ;
             ^
prog.cpp:29:13: error: stray '\200' in program
prog.cpp:29:13: error: stray '\234' in program
prog.cpp:29:13: error: stray '\342' in program
prog.cpp:29:13: error: stray '\200' in program
prog.cpp:29:13: error: stray '\235' in program
prog.cpp:35:43: warning: multi-character character constant [-Wmultichar]
         char str[  ] = { '(' , 'a' , '+', ' ( ', 'b' , '-' , 'c' ,')' , ')'} ;
                                           ^
prog.cpp: In function 'void check(char*, int, char*)':
prog.cpp:8:37: error: expected primary-expression before ')' token
             if (str [ i ] == ‘(’)
                                     ^
prog.cpp:9:13: error: expected ')' before '{' token
             {
             ^
prog.cpp:27:24: error: 'String' was not declared in this scope
             cout << “String is balanced!” << endl;
                        ^
prog.cpp:29:24: error: 'String' was not declared in this scope
             cout << “String is unbalanced!” << endl ;
                        ^
prog.cpp: In function 'int main()':
prog.cpp:35:76: error: narrowing conversion of '2107424' from 'int' to 'char' inside { } [-Wnarrowing]
         char str[  ] = { '(' , 'a' , '+', ' ( ', 'b' , '-' , 'c' ,')' , ')'} ;
                                                                            ^

Standard output is empty