Language: C++

#include <iostream>
#include <vector>
using namespace std;
int main(){
  int N,L;cin>>N>>L;
  vector<int>A(210);
  for (int i=0;i<N;++i){
    A.push_back(L+i);
  }
  A=abs(A);
  A=sort(A.begin(),A.end());
  int ans=0;
  for (int i=1;i<N;++i){
    ans+=A[i];
  }
  cout<<ans<<endl;
}
  
  


Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: no matching function for call to 'abs(std::vector<int>&)'
   10 |   A=abs(A);
      |     ~~~^~~
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/c++/14/ext/string_conversions.h:43,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 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:1:
/usr/include/stdlib.h:980:12: note: candidate: 'int abs(int)'
  980 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
/usr/include/stdlib.h:980:21: note:   no known conversion for argument 1 from 'std::vector<int>' to 'int'
  980 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |                 ~~~~^~~
In file included from /usr/include/c++/14/cstdlib:81:
/usr/include/c++/14/bits/std_abs.h:137:3: note: candidate: 'constexpr __float128 std::abs(__float128)'
  137 |   abs(__float128 __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:137:18: note:   no known conversion for argument 1 from 'std::vector<int>' to '__float128'
  137 |   abs(__float128 __x)
      |       ~~~~~~~~~~~^~~
/usr/include/c++/14/bits/std_abs.h:85:3: note: candidate: 'constexpr __int128 std::abs(__int128)'
   85 |   abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:85:30: note:   no known conversion for argument 1 from 'std::vector<int>' to '__int128'
   85 |   abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
      |                              ^
/usr/include/c++/14/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:79:19: note:   no known conversion for argument 1 from 'std::vector<int>' to 'long double'
   79 |   abs(long double __x)
      |       ~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:75:13: note:   no known conversion for argument 1 from 'std::vector<int>' to 'float'
   75 |   abs(float __x)
      |       ~~~~~~^~~
/usr/include/c++/14/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:71:14: note:   no known conversion for argument 1 from 'std::vector<int>' to 'double'
   71 |   abs(double __x)
      |       ~~~~~~~^~~
/usr/include/c++/14/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:61:17: note:   no known conversion for argument 1 from 'std::vector<int>' to 'long long int'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |       ~~~~~~~~~~^~~
/usr/include/c++/14/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:56:12: note:   no known conversion for argument 1 from 'std::vector<int>' to 'long int'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |       ~~~~~^~~
a.cc:11:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |   A=sort(A.begin(),A.end());
      |     ^~~~
      |     short