Language: C++


#include <iostream>

using namespace std;

int main(){
    int N.M;
    int S = 0;
    cin >> N >> M;
    int s[M];
    int c[M]
    for(int i = 0;i < N;i++){
        cin >> s[i] >> c[i];
        for(int j = 0;j < i;j++){
            if(s[i] == s[j] && c[i] == c[j]){
                cout << "-1" << endl;
            }
        }
        S = c[i] *  POW(10, (N + 1 - s[i]));
    }
    if(S / POW(10, N) == 0){
        cout << "-1" >> endl;
    }else{
        cout << S << endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: expected initializer before '.' token
    7 |     int N.M;
      |          ^
a.cc:9:12: error: 'N' was not declared in this scope
    9 |     cin >> N >> M;
      |            ^
a.cc:9:17: error: 'M' was not declared in this scope
    9 |     cin >> N >> M;
      |                 ^
a.cc:12:5: error: expected initializer before 'for'
   12 |     for(int i = 0;i < N;i++){
      |     ^~~
a.cc:12:19: error: 'i' was not declared in this scope
   12 |     for(int i = 0;i < N;i++){
      |                   ^
a.cc:21:12: error: 'POW' was not declared in this scope
   21 |     if(S / POW(10, N) == 0){
      |            ^~~
a.cc:22:22: error: no match for 'operator>>' (operand types are 'std::basic_ostream<char>' and '<unresolved overloaded function type>')
   22 |         cout << "-1" >> endl;
      |         ~~~~~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/string:55,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:2:
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
  835 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:835:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<_CharT, _Traits>'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
                 from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:131:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(byte, _IntegerType)'
  131 |     operator>>(byte __b, _IntegerType __shift) noexcept
      |     ^~~~~~~~
/usr/include/c++/14/cstddef:131:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   couldn't deduce template parameter '_IntegerType'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
In file included from /usr/include/c++/14/istream:1109,
                 from /usr/include/c++/14/iostream:42:
/usr/include/c++/14/bits/istream.tcc:978:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
  978 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<_CharT, _Traits>'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
/usr/include/c++/14/istream:849:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
  849 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/14/istream:849:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
/usr/include/c++/14/istream:854:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
  854 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/14/istream:854:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
/usr/include/c++/14/istream:896:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
  896 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/14/istream:896:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<_CharT, _Traits>'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
/usr/include/c++/14/istream:939:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)'
  939 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/14/istream:939:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
/usr/include/c++/14/istream:945:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)'
  945 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/14/istream:945:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
   22 |         cout << "-1" >> endl;
      |                         ^~~~
/usr/include/c++/14/istream:1099:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
 1099 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/14/istream:1099:5: note:   template argument deduction/substitution failed:
a.cc:22:25: note:   couldn't deduce template parameter '_Tp'
   22 |         cout << "-1" >> endl;
      |                         ^~~~