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Compile Error 

foo.cc: In function 'int main()':
foo.cc:24:34: error: no matching function for call to 'find(std::vector<char>::iterator, std::vector<char>::iterator, char&)'
   24 |             bool doesExist = find(list.begin(), list.end(), c) != list.end();
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/bits/locale_facets.h:48,
                 from /usr/include/c++/13/bits/basic_ios.h:37,
                 from /usr/include/c++/13/ios:46,
                 from /usr/include/c++/13/ostream:40,
                 from /usr/include/c++/13/iostream:41,
                 from foo.cc:1:
/usr/include/c++/13/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/13/bits/streambuf_iterator.h:435:5: note:   template argument deduction/substitution failed:
foo.cc:24:34: note:   '__gnu_cxx::__normal_iterator<char*, std::vector<char> >' is not derived from 'std::istreambuf_iterator<_CharT>'
   24 |             bool doesExist = find(list.begin(), list.end(), c) != list.end();
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Code

#include <iostream>
#include <vector>

using namespace std;


int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int t;
    cin >> t;

    while (t--) {
        int n;
        cin >> n;
        string s;
        cin >> s;
        int count = 0;
        vector<char> list;
        for (char c : s) {
            bool doesExist = find(list.begin(), list.end(), c) != list.end();
            if (doesExist){
                count++;
            }else {
                list.push_back(c);
            }
        }
        cout << 2*count << endl;
    }


    return 0;
}

Information

Submit By
Type
Submission
Problem
P1038 Do not touch my string
Contest
Brain Booster #3
Language
C++20 (G++ 13.2.0)
Submit At
2024-05-06 16:27:09
Judged At
2024-11-11 03:33:06
Judged By
Score
0
Total Time
0ms
Peak Memory
0 Bytes
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