Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int N;//データの数
  vector <int> data = [150] //　余裕をもって150個のデータを用意
  int count=0;//何種類あるかを数える関数
  
    
  //　入力部
  cin >> N;
  for(int i = 0; i < N ;i++){
  	cin >> data.at[i];  
  }
  
  //　データの並び替え
  sort(data.begin(),data.end());
  
  // 三つの組み合わせを決める
  if (N >3){
  for(int i= 0; i<N-3;i++){
    for(int k=i+1; k<N;k++){
      for(int j=k+1;j<N;j++){
        if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
            count++;
            }
            }
            }
  }
        cout << count <<endl;
  
  	
     
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:24: error: expected identifier before numeric constant
    6 |   vector <int> data = [150] //　余裕をもって150個のデータを用意
      |                        ^~~
a.cc:7:3: error: type-specifier invalid in lambda
    7 |   int count=0;//何種類あるかを数える関数
      |   ^~~
a.cc:7:3: warning: parameter declaration before lambda declaration specifiers only optional with '-std=c++2b' or '-std=gnu++2b' [-Wc++23-extensions]
a.cc: In lambda function:
a.cc:7:7: error: expected '{' before 'count'
    7 |   int count=0;//何種類あるかを数える関数
      |       ^~~~~
a.cc: In function 'int main()':
a.cc:6:23: error: conversion from 'main()::<lambda()>' to non-scalar type 'std::vector<int>' requested
    6 |   vector <int> data = [150] //　余裕をもって150個のデータを用意
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    7 |   int count=0;//何種類あるかを数える関数
      |   ~~~                  
a.cc:7:7: error: expected ',' or ';' before 'count'
    7 |   int count=0;//何種類あるかを数える関数
      |       ^~~~~
a.cc:13:23: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   13 |         cin >> data.at[i];
      |                       ^
a.cc:24:20: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   24 |         if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
      |                    ^
a.cc:24:34: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   24 |         if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
      |                                  ^
a.cc:24:48: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   24 |         if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
      |                                                ^
a.cc:24:62: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   24 |         if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
      |                                                              ^
a.cc:24:77: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   24 |         if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
      |                                                                             ^
a.cc:24:90: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   24 |         if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
      |                                                                                          ^
a.cc:24:104: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   24 |         if (data.at[i] != data.at[j] && data.at[j] != data.at[k] && (data.at[i] + data.at[j]) > data.at[k])
      |                                                                                                        ^
a.cc:25:18: error: no post-increment operator for type
   25 |             count++;
      |                  ^~
a.cc:30:14: error: no match for 'operator<<' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and '<unresolved overloaded function type>')
   30 |         cout << count <<endl;
      |         ~~~~~^~~~~~~~
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127,
                 from a.cc:1:
/usr/include/c++/14/ostream:116:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ostream_type& (*)(__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]'
  116 |       operator<<(__ostream_type& (*__pf)(__ostream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/ostream:116:36: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&)' {aka 'std::basic_ostream<char>& (*)(std::basic_ostream<char>&)'}
  116 |       operator<<(__ostream_type& (*__pf)(__ostream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/ostream:125:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>; __ios_type = std::basic_ios<char>]'
  125 |       operator<<(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/14/ostream:125:32: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
  125 |       operator<<(__ios_type& (*__pf)(__ios_type&))
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/ostream:135:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]'
  135 |       operator<<(ios_base& (*__pf) (ios_base&))
      |       ^~~~~~~~
/usr/include/c++/14/ostream:135:30: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::ios_base& (*)(std::ios_base&)'
  135 |       operator<<(ios_base& (*__pf) (ios_base&))
      |                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/ostream:174:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]'
  174 |       operator<<(long __n)
      |       ^~~~~~~~
/usr/include/c++/14/ostream:174:23: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long int'
  174 |       operator<<(long __n)
      |                  ~~~~~^~~
/usr/include/c++/14/ostream:178:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]'
  178 |       operator<<(unsigned long __n)
      |       ^~~~~~~~
/usr/include/c++/14/ostream:178:32: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long unsigned int'
  178 |       operator<<(unsigned long __n)
      |                  ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/ostream:182:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]'
  182 |       operator<<(bool __n)
      |       ^~~~~~~~
/usr/include/c++/14/ostream:182:23: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'bool'
  182 |       operator<<(bool __n)
      |                  ~~~~~^~~
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:96:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits<char>]'
   96 |     basic_ostream<_CharT, _Traits>::
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:97:22: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short int'
   97 |     operator<<(short __n)
      |                ~~~~~~^~~
/usr/include/c++/14/ostream:189:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]'
  189 |       operator<<(unsigned short __n)
      |       ^~~~~~~~
/usr/include/c++/14/ostream:189:33: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short unsigned int'
  189 |       operator<<(unsigned short __n)
      |                  ~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ostream.tcc:110:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits<char>]'
  110 |     basic_ostream<_CharT, _Traits>::
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:111:20: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'int'
  111 |     operator<<(int __n)
      |                ~~~~^~~
/usr/include/c++/14/ostream:200:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]'
  200 |       operator<<(unsigned int __n)
      |       ^~~~~~~~
/usr/include/c++/14/ostream:200:31: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'unsigned int'
  200 |       operator<<(unsigned int __n)
      |                  ~~~~~~~~~~~~~^~~
/usr/include/c++/14/ostream:211:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits =