Language: C++

#include<bits/stdc++.h>
using namespace std;
int main () {
  int N, K, R, S, P;
  cin >> N >> K >> R >> S >> P;
  string T;
  cin >> T;
  int ans = 0;
  int z = (N - 1) / K;
  vector<vector<char>>key(K, vector<char>(z + 1));
  for (int i = 0; i < N; i ++) {
    int j = i % K;
    int k = i / K;
    cin >> key[j][k];
  }
  int fin = N % K;
  int ans = 0;
  for (j = 0; j < K; j ++) {
    vector<int>rdp(z + 2);
    vector<int>sdp(z + 2);
    vector<int>pdp(z + 2);
    rdp[0] = sdp[0] = pdp[0] = 0;
    int ok = z + 1;
    if (j > fin) ok --;
    for (int i = 0; i < ok; i ++) {
      if (key[i] == 'r') {
        pdp[i + 1] = max(rdp[i], sdp[i]) + P;
      }
      if (key[i] == 's') {
        rdp[i + 1] = max(sdp[i], pdp[i]) + R;
      }
      if (key[i] == 'p') {
        sdp[i + 1] = max(rdp[i], pdp[i]) + S;
      }
    }
    ans += max(sdp[z + 1], max(rdp[z + 1], pdp[z + 1]));
  }
  cout << ans << endl;
}

  

Compiler output:
a.cc: In function 'int main()':
a.cc:17:7: error: redeclaration of 'int ans'
   17 |   int ans = 0;
      |       ^~~
a.cc:8:7: note: 'int ans' previously declared here
    8 |   int ans = 0;
      |       ^~~
a.cc:18:8: error: 'j' was not declared in this scope
   18 |   for (j = 0; j < K; j ++) {
      |        ^
a.cc:26:18: error: no match for 'operator==' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} and 'char')
   26 |       if (key[i] == 'r') {
In file included from /usr/include/c++/14/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
                 from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1103 |     operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
 1199 |     operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1274 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1366 |     operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1441 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1534 |     operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1613 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
 2186 |     operator==(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1033 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::pair<_T1, _T2>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  441 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  486 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1667 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1737 |     operator==(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
                 from /usr/include/c++/14/string:42,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
  192 |     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note:   template argument deduction/substitution failed:
a.cc:26:21: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<char> >, std::vector<char> >::value_type' {aka 'std::vector<char>'} is not derived from 'const std::fpos<_StateT>'
   26 |       if (key[i] == 'r') {
      |                     ^~~
In f