Stacks: Balanced Brackets -final, C#

Language: Layout:

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static bool CheckString(string exp){
            bool res = true;
            char[] charArray = exp.ToCharArray();
            Stack st = new Stack();
            
            foreach(char i in charArray){
                
                string item =  i.ToString();
                if(item == "[" || item == "{" || item == "("){
                    
                        st.Push(item);
                }else if(st.Count > 0){
                
                if(item == "]"){
                    
                    if(st.Peek().ToString() == "["){
                        st.Pop();
                    }
                    else{
                        res =false;
                    }
                }
                else if(item == "}"){
                    
                    if(st.Peek().ToString() == "{"){
                        st.Pop();
                    }else{
                        res =false;
                    }                                 
                }
                else if(item == ")"){
                      
                    if(st.Peek().ToString() == "("){
                    
                        st.Pop();
                    }else{
                        res =false;
                    }
                    
                }
                }else{
                    res = false;
                }
          
            }//for
            if(res == true){
                if(st.Count!= 0){
                    res= false;
                }
            }
                
            return res;
        }
        
        public static void Main(string[] args)
        {
            //Your code goes here
          int t = Convert.ToInt32(Console.ReadLine());
        for(int a0 = 0; a0 < t; a0++){
            string expression = Console.ReadLine();
           bool result =  CheckString(expression);
            if(result)
            Console.WriteLine("Yes");
            else
                Console.WriteLine("No");
        }
            
           //end code
        }
    }
}

79
[()][{}()][](){}([{}(())([[{}]])][])[]([][])(){}{{}{[](){}}}()[]({})[{}{{}([{}][])}]
[()][{}[{}[{}]]][]{}[]{}[]{{}({}(){({{}{}[([[]][[]])()]})({}{{}})})}
(])[{{{][)[)])(]){(}))[{(})][[{)(}){[(]})[[{}(])}({)(}[[()}{}}]{}{}}()}{({}](]{{[}}(([{]
){[]()})}}]{}[}}})}{]{](]](()][{))])(}]}))(}[}{{)}{[[}[]
}(]}){
((]()(]([({]}({[)){}}[}({[{])(]{()[]}}{)}}]]{({)[}{(
{}{({{}})}[][{{}}]{}{}(){{}[]}{}([[][{}]]())
(){}[()[][]]{}(())()[[([])][()]{}{}(({}[]()))()[()[{()}]][]]
()([]({}[]){}){}{()}[]{}[]()(()([[]]()))()()()[]()(){{}}()({[{}][]}[[{{}({({({})})})}]])
[]([{][][)(])}()([}[}(})}])}))]](}{}})[]({{}}))[])(}}[[{]{}]()[(][])}({]{}[[))[[}[}{(]})()){{(]]){][
{()({}[[{}]]()(){[{{}{[[{}]{}((({[]}{}()[])))]((()()))}(()[[[]]])((()[[](({([])()}))[]]))}]})}
()(){{}}[()()]{}{}
{}()([[]])({}){({[][[][[()]]{{}[[]()]}]})}[](())((())[{{}}])
{}(((){}){[]{{()()}}()})[]{{()}{(){()(){}}}}{()}({()(()({}{}()((()((([])){[][{()}{}]})))))})
][[{)())))}[)}}}}[{){}()]([][]){{{{{[)}]]{([{)()][({}[){]({{
{{}(
{[{((({}{({({()})()})[]({()[[][][]]}){}}))){}}]}{}{({((){{}[][]{}[][]{}}[{}])(())}[][])}
()[[][()[]][]()](([[[(){()[[]](([]))}]]]))
()[]({}{})(()){{{}}()()}({[]()}())[](){}(({()}[{}[{({{}}){({}){({})((({()})))}}}]]))
}[{){({}({)})]([}{[}}{[(([])[(}){[]])([]]}(]]]]{][
[{]{[{(){[}{}(([(]}])(){[[}(]){(})))}}{{)}}{}][({(}))]}({)
)})[(]{][[())]{[]{{}}[)[)}[]){}](}({](}}}[}{({()]]
[[[({[]}({[][[[[][[{(()[][])}()[][]][]{}]]]]}))][(()){}]]]()[{}([]{}){}{{}}]
({[]({[]})}())[][{}[{{(({{{([{}])}}}))}}]]
([((()))()])[][][]{}()(([]))[]()[]((){}[]){}(){{}[]}[[{[]}]]
[[(((({}{[]{}()}){}{{}}){({[]{[{}]{(){}(((){()}))}()}}[[]]()()[()])[[{}{}]()]}))]]{}[]{}({({{}})})
(]{()}((
[][(())[({{{()[]}}{[[][[][[[]{{{[()]{{{{}{[]}[][]}}}}}}]]]]}})]]
}[})})}[)]{}{)
({(}{})))}(}[)[}{)}}[)[{][{(}{{}]({}{[(})[{[({{[}{(]]})}
]}})[]))]{][])[}(])]({[]}[]([)
[{{}{[{{[}[[}([]
[([]){}][({})({[(([])[][])][[{}{([{{}{(()){{{({}{{}}())}}[]}}()[()[{{{([](()){[[[]]]})}}}]]}])}]]})]
]{}{(}))}](})[{]]()(]([}]([}][}{]{[])}{{{]([][()){{})[{({{{[}{}](]}}
{[{}}){(}[][)(}[}][)({[[{]}[(()[}}){}{)([)]}(()))]{)(}}}][
(]{}{(}}}[)[
[]{}{[[]]}([{}]{}[]){{(())}}
[)([{(][(){)[)}{)]]}}([((][[}}(]{}]]}]][(({{{))[[){}{]][))[]{]][)[{{}{()]){)])))){{{[(]}[}}{}]
{({(){[[[][]{}[[([]{})]{}]][[]()()]]}})}[{}{{}}]
)}][(})){))[{}[}
{[]{({]}[}}[{([([)([){{}{(}}[]}}[[{[}[[()(])[}[]
()()()[]
((){}])][]][}{]{)]]}][{]}[)(])[}[({(
)[((])(]]]]((]){{{{())]}]}(}{([}(({}]])[[{){[}]{{}})[){(
}][[{[((}{[]){}}[[[)({[)}]]}(]]{[)[]}{}(){}}][{()]))})]][(((}}
([]){}{{}{}}()([([{}{[[]()([(([]()))()[[]]])]}])])
[()[[]{{[]}()([])}[]][][]][]()[]{}{}[][]{}{}[()(){}]
{[{){]({(((({](]{([])([{{([])[}(){(]](]{[{[]}}())[){})}))[{})))[
{}[()[]][]{}{}[[{{[[({})]()[[()]]]}}]]
{[{}[][]]}[((()))][]({})[]{}{()}
(){[{({})}]}
([]])][{)]({)[]))}]())[}]))][}{(}}})){]}]{[)}(][})[[
((({{}(([{}(())]))[()]{[[[]()]]}})))
}()))}(}]]{{})}][{](]][{]{[[]]]}]]}([)({([))[[(]}])}[}(([{)[)]]([[](]}]}{]{{})[]){]}{])(
{}{}{}{[[()]][]}
)]}]({{})[[[{]{{{}}][))]{{
))){({}])}])}}]{)()(}(]}([
([[]][])[[]()][]()(([[]]{[()[]{[][{}]}[()]]{}{[]}}{{}()}(()[([][]{})[[{}][]]{}[]])))
(]{[({}[){)))}]{[{}][({[({[]))}[}]}{()(([]{]()}})}[]{[)](((]]])([]}}]){)(([]]}[[}[
([[]])({}(([(){{}[{}]}]){[{}]}))[][{}{}](){}
[][][][][][([])][]{({()}[[()()]{([(){[]{}}{(())}{[](){}()({}())}[({}[[]()])][]])}])}
}[{{(}})}}(((())()({]{([]((][(({)[({[]]}[])}]{][{{}]{)][}(])}}}))}}}
[]({})()[]{}{}[]({}{})[]{([])()[()][{()({})[{}{[[()]{}[]][]}(({{[]{()()()}{}[]()}[]}){{}{}})]}]}
{{(([{)]{}({][{](){({([[[][)}[)})(
[{}]{[()({[{}]})]}
[[{}]]
]{{({[{]}[[)]]}{}))}{){({]]}{]([)({{[]){)]{}){){}()})(]]{{])(])[]}][[()()}
{[([}[[{{(]]][}()())]{){(){)]]){})}]{][][(}[]())[}[)})})[][{[)[})()][]))}[[}
]()])}[}}}{]]{)[}(}]]])])}{(}{([{]({)]}])(})[{}[)]])]}[]{{)){}{()}]}((}}{({])[}])[]}
(]}[{}{{][}))){{{([)([[])([]{[
{(()[]){}}(){[]}({{}(()())})([]){}{}(())()[()]{}()
{{}[{}[{}[]]]}{}({{[]}})[[(){}][]]{}(([]{[][]()()}{{{()()}{[]}({}[]{()})}{()}[[]][()]}))
{[][]}[{}[](){}]{{}{[][{}]}}
()(){}(){((){}[])([[]]())}
{}[[{[((}[(}[[]{{]([(}]][[
{}[([{[{{}()}]{}}([[{}[]]({}{{()}[][][]})])])]
{[](}([)(])[]]})()]){[({]}{{{)({}(][{{[}}(]{
[][]{{}[](())}{}({[()]}())[][[][({}([{}]))]]
((()))[]{[(()({[()({[]}{})]}))]}{[]}{{({}{})[{}{}]{()([()])[{()}()[[]{}()]{}{}[]()]}[[]{[]}([])]}}

Show compiler warnings [ - ] Show input
Compilation time: 0,14 sec, absolute running time: 0,11 sec, cpu time: 0,09 sec, average memory usage: 12 Mb, average nr of threads: 3