გაგზავნის თარიღი: 22.01.2023 12:32:47

ამოცანა: ფრჩხილთა კორექტული მიმდევრობა

მომხმარებელი: Leogvala

ვერდიქტი: ამოუხსნელი

შეფასება: 0 ქულა

#include <bits/stdc++.h>
using namespace std;
int a,b,c,d,i;
string s;
stack <char> st;
int main(){
cin>>s;
for(i=0; i<s.size();i++){
    if(st.empty()) {st.push(s[i]); continue;}
    if(s[i]=='{' or s[i]=='(' or s[i]=='[') st.push(s[i]);
    if((s[i]=='}' and st.top=='{') or (s[i]==']' and st.top=='[')) st.pop();
    if(s[i]==')' and st.top=='(') st.pop;
}
if(st.empty()) cout<<"YES";
else cout<<"NO";
}

main.cpp: In function 'int main()':
main.cpp:11:29: error: invalid operands of types '<unresolved overloaded function type>' and 'char' to binary 'operator=='
     if((s[i]=='}' and st.top=='{') or (s[i]==']' and st.top=='[')) st.pop();
                       ~~~~~~^~~~~
main.cpp:11:60: error: invalid operands of types '<unresolved overloaded function type>' and 'char' to binary 'operator=='
     if((s[i]=='}' and st.top=='{') or (s[i]==']' and st.top=='[')) st.pop();
                                                      ~~~~~~^~~~~
main.cpp:12:28: error: invalid operands of types '<unresolved overloaded function type>' and 'char' to binary 'operator=='
     if(s[i]==')' and st.top=='(') st.pop;
                      ~~~~~~^~~~~
main.cpp:12:38: error: invalid use of non-static member function 'void std::stack<_Tp, _Sequence>::pop() [with _Tp = char; _Sequence = std::deque<char, std::allocator<char> >]'
     if(s[i]==')' and st.top=='(') st.pop;
                                   ~~~^~~
In file included from /usr/include/c++/6/stack:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:89,
                 from main.cpp:1:
/usr/include/c++/6/bits/stl_stack.h:244:7: note: declared here
       pop()
       ^~~