Language: C++

#include <bits/stdc++.h>
using namespace std;
const int zzy = 998244353;
char s[100010];
int flag;
int n;
int nxt[100010][3], dp[100010], sum[100010];
int main() {
    scanf("%s", s + 1);
    n = strlen(s + 1);
    for (int i = 2; i <= n; i++) if(s[i] == s[i - 1]) flag = 1;
    if (!flag) return puts("1"), 0;
    for (int i = 1; i <= n; i++) sum[i] = (sum[i - 1] + (s[i] == 'a' ? 1 : 2)) % 3;
    memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
    for (int i = n; i >= 0; i--) {
        memcpy(nxt[i], nxt[i + 1], sizeof nxt[i]);
        if (i) nxt[i][sum[i]] = i;
    }
    dp[0] = 1;
    for (int i = 0; i < n; i++) {
        if (sum[i] != 0 && ~nxt[i][0]) dp[nxt[i][0]] = (dp[nxt[i][0]] + dp[i]) % zzy;
        if (sum[i] != 1 && ~nxt[i][1]) dp[nxt[i][1]] = (dp[nxt[i][1]] + dp[i]) % zzy;
        if (sum[i] != 2 && ~nxt[i][2]) dp[nxt[i][2]] = (dp[nxt[i][2]] + dp[i]) % zzy;
    }
    int ans = 0;
    for (int i = 1; i <= n; i++) {
        if (sum[i] == sum[n]) ans = (ans + dp[i]) % zzy;
    }
    return cout << ans << endl, 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:41: error: no match for 'operator+' (operand types are 'int' and 'std::chrono::seconds' {aka 'std::chrono::duration<long int>'})
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                       ~ ^ ~~
      |                                       |   |
      |                                       int std::chrono::seconds {aka std::chrono::duration<long int>}
In file included from /usr/include/c++/14/bits/stl_algobase.h:67,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:627:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename reverse_iterator<_Iterator>::difference_type, const reverse_iterator<_Iterator>&)'
  627 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:627:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   'std::chrono::seconds' {aka 'std::chrono::duration<long int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)'
 1798 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   'std::chrono::seconds' {aka 'std::chrono::duration<long int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
In file included from /usr/include/c++/14/string:54,
                 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/basic_string.h:3598:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3598 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3598:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3616:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3616 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3616:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'const _CharT*' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3635:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3635 |     operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3635:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   'std::chrono::seconds' {aka 'std::chrono::duration<long int>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3652:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3652 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3652:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3670:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 3670 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3670:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3682:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3682 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3682:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3689:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3689 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3689:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3696:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3696 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3696:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3719:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3719 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3719:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'const _CharT*' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3726:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3726 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3726:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   'std::chrono::seconds' {aka 'std::chrono::duration<long int>'} is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3733:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)'
 3733 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3733:5: note:   template argument deduction/substitution failed:
a.cc:14:43: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   14 |     memset(nxt[n + 1], -1, sizeof nxt[n + 1s]);
      |                                           ^~
/usr/include/c++/14/bits/basic_string.h:3740:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)'
 3740 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3740:5: note:   template argument deduction/substitution failed:
a.cc: