Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n)  for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define all(a) a.begin(),a.end()
#define eb emplace_back
#define pb push_back
#define lb(v,k) lower_bound(all(v),k)-v.begin()
#define chmin(x,y) if(x>y)x=y
#define chmax(x,y) if(x<y)x=y
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef priority_queue<ll> PQ;
typedef priority_queue<ll,vector<ll>,greater<ll>> SPQ;
using vi=vector<ll>;
using vvi=vector<vector<ll>>;
using vc=vector<char>;
using vvc=vector<vector<char>>;
ll inf=100100100100;
const int mod=1000000007;
int main(){
   int n;cin>>n;
   ll ans=0;
   vi a(n),b(n),c(n);
   rep(i,n)cin>>a[i]>>b[i]>>c[i];
   rep(i,n){
       int k=lb(a,b[i]);
       int j=n-lb(c,b[i]+1);
       ans+=j*k;
   }
   cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:15: error: no match for 'operator-' (operand types are 'int' and '__gnu_cxx::__normal_iterator<long long int*, std::vector<long long int, std::allocator<long long int> > >')
   29 |        int j=n-lb(c,b[i]+1);
      |              ~^
      |              |
      |              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:618:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  618 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:618:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1790 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
In file included from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const complex<_Tp>&)'
  370 |     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:370:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::complex<_Tp>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const _Tp&)'
  379 |     operator-(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:379:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::complex<_Tp>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/complex:388:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const complex<_Tp>&)'
  388 |     operator-(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:388:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   '__gnu_cxx::__normal_iterator<long long int*, std::vector<long long int, std::allocator<long long int> > >' is not derived from 'const std::complex<_Tp>'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/complex:465:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&)'
  465 |     operator-(const complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/14/complex:465:5: note:   candidate expects 1 argument, 2 provided
In file included from /usr/include/c++/14/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   '__gnu_cxx::__normal_iterator<long long int*, std::vector<long long int, std::allocator<long long int> > >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   '__gnu_cxx::__normal_iterator<long long int*, std::vector<long long int, std::allocator<long long int> > >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const valarray<_Tp>&)'
 1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note:   template argument deduction/substitution failed:
a.cc:8:37: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
    8 | #define lb(v,k) lower_bound(all(v),k)-v.begin()
      |                                     ^
a.cc:29:16: note: in expansion of macro 'lb'
   29 |        int j=n-lb(c,b[i]+1);
      |                ^~
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1197 | _DEFINE_BINARY_OPERATOR(-