Language: C++


#include <bits/stdc++.h>
#include <math.h>
#define REP(i, n) for(int i = 0; i < (n); i++)
#define ALL(v) (v).begin(), (v).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
const int INF = 1001001001;
const int mINF = -1001001001;
// << fixed << setprecision(0) <<
// sort(ALL(),greater<int>());
bool isOK(int index,int key) [
  if(a[index]>=key) return true;
  else return false;
]
int binary_search(int key) {
    int left = -1;
    int right = (int)a.size(); 

    while (right - left > 1) {
        int mid = left + (right - left) / 2;

        if (isOK(mid, key)) right = mid;
        else left = mid;
    }
    return right;
}

int main() {
char s[10001];
cin >> s;
int n = strlen(s);
vector<int> r_ans,l_ans,re;
re.push_back(0);
REP(i,n-1) {
  if(s[i]=='R'&&s[i+1]=='L') {
    r_ans.push_back(i);
    l_ans.push_back(i+1);
  }
  if(s[i]=='L'&&s[i+1]=='R') {
    re.push_back(i+1);
  }
}
re.push_back(n);
int ans[n]={0};
int temp;
REP(i,r_ans) {
  temp=re[i+1]-re[i];
  if(temp%2==0) {
    ans[r_ans[i]]=temp/2;
    ans[l_ans[i]]=temp/2;
  } else {
    ans[r_ans[i]]=temp/2+(r_ans[i]-re[i]+1)%2;
    ans[l_ans[i]]=temp/2(l_ans[i]-re[i]+1)%2;
  }
}
REP(i,n) cout << ans[i] << " ";
cout << endl;
return 0;
}


Compiler output:
a.cc:14:3: error: expected primary-expression before 'if'
   14 |   if(a[index]>=key) return true;
      |   ^~
a.cc:13:31: error: expected ']' before 'if'
   13 | bool isOK(int index,int key) [
      |                               ^
      |                               ]
   14 |   if(a[index]>=key) return true;
      |   ~~                           
a.cc:15:3: error: expected unqualified-id before 'else'
   15 |   else return false;
      |   ^~~~
a.cc:16:1: error: expected unqualified-id before ']' token
   16 | ]
      | ^
a.cc: In function 'int main()':
a.cc:4:36: error: no match for 'operator<' (operand types are 'int' and 'std::vector<int>')
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                    ^ ~~~
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
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:2:
/usr/include/c++/14/bits/regex.h:1143:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1143 |     operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1143:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/regex.h:1224:5: 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>&)'
 1224 |     operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1224:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/regex.h:1317:5: 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>&)'
 1317 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1317:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/regex.h:1391:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1391 |     operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1391:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/regex.h:1485:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1485 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1485:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/regex.h:1560:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1560 |     operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1560:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/regex.h:1660:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1660 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1660:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
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:1045:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1045 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1045:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:448:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  448 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:448:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/stl_iterator.h:493:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  493 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:493:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1694 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1760 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 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/string_view:673:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  673 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:673:5: note:   template argument deduction/substitution failed:
a.cc:4:40: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
    4 | #define REP(i, n) for(int i = 0; i < (n); i++)
      |                                        ^
a.cc:48:1: note: in expansion of macro 'REP'
   48 | REP(i,r_ans) {
      | ^~~
/usr/include/c++/14/string_view:680:5: note: candidate: 'template<class _CharT, class _Traits> constexp