needs correction doesnt run#include <iostream>#include <stack>using namespace std;int matchingBracketsstringexprstringexprstringexpr{ stack<char> s; char x; for inti=0;i<expr.length(inti=0;i<expr.length(inti=0;i<expr.length(; i++) { if expr[i]==′(′||expr[i]==′[′||expr[i]==′′)s.push(expr[i]);continue;if(s.empty())returni;switch(expr[i])case′)′:x=s.top();s.pop();if(x==′′||x==′[′)returni;break;case′′:x=s.top();s.pop();if(x==′(′||x==′[′)returni;break;case′]′:x=s.top();s.pop();if(x==′(′||x==′′)returni;break;return0;intmain([Math Processing Error]expr[i]==′(′||expr[i]==′[′||expr[i]==′′)s.push(expr[i]);continue;if(s.empty())returni;switch(expr[i])case′)′:x=s.top();s.pop();if(x==′′||x==′[′)returni;break;case′′:x=s.top();s.pop();if(x==′(′||x==′[′)returni;break;case′]′:x=s.top();s.pop();if(x==′(′||x==′′)returni;break;return0;intmain({ string expr; int res; getline(cin,exprcin,expr)cin,expr); res=matchingBracketsexprexpr; if res==0res==0 cout << "No mistake"; else cout << res; return 0;} Problem Description:Your friend keeps finding mistakes in his code due to unmatched brackets errors. You, as a goodfriend, decided to help him by developing a program that will find errors in the usage of differenttypes of brackets. A Code can contain any of the following brackets []{}(), where the openingbrackets are [,{, and (and the closing brackets corresponding to them are ],}, and ).Being a good friend, you want your program not to only detect that there is an error in theusage of brackets, but also point to the exact place in the code with the problematic bracket.Using C++/CPPRequirements:1. Write a program that finds the first unmatched closing bracket which either does nothave an opening bracket before it, or closes the wrong opening bracket, like } in ()[}. Ifthere are no such mistakes, then it should find the first unmatched opening bracketwithout the corresponding closing bracket after it, like (in {}([]. If there are no mistakes,you should output "No Mistakes".2. If there exists a mistake then your program should output the index of the firstunmatched closing bracket in the input string, and if there are no unmatched closingbrackets, output the index of the first unmatched opening bracket in the input string.Note: In case of unmatched brackets you will always look for the first unmatchedclosing bracket, if there are no unmatched closing brackets, then you will look for thefirst unmatched opening bracket.

Answered: needs correction doesnt run

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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needs correction doesnt run

#include <iostream>
#include <stack>

using namespace std;

int matchingBracketsstringexprstringexprstringexpr
{
stack<char> s;
char x;

for inti=0;i<expr.length(inti=0;i<expr.length(inti=0;i<expr.length(; i++)
{
if expr[i]==′(′||expr[i]==′[′||expr[i]==′′)s.push(expr[i]);continue;if(s.empty())returni;switch(expr[i])case′)′:x=s.top();s.pop();if(x==′′||x==′[′)returni;break;case′′:x=s.top();s.pop();if(x==′(′||x==′[′)returni;break;case′]′:x=s.top();s.pop();if(x==′(′||x==′′)returni;break;return0;intmain([Math Processing Error]expr[i]==′(′||expr[i]==′[′||expr[i]==′′)s.push(expr[i]);continue;if(s.empty())returni;switch(expr[i])case′)′:x=s.top();s.pop();if(x==′′||x==′[′)returni;break;case′′:x=s.top();s.pop();if(x==′(′||x==′[′)returni;break;case′]′:x=s.top();s.pop();if(x==′(′||x==′′)returni;break;return0;intmain(
{
string expr;
int res;

getline(cin,exprcin,expr)cin,expr);

res=matchingBracketsexprexpr;

if res==0res==0
cout << "No mistake";
else
cout << res;
return 0;
}