Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
using namesoace std;

int main(){
    int n;
    cin >> n;
    vector<int> a(N);
    for(int i=0; i<n; i++) cin >> a.at(i);
    
    int mi = a.at(0), ma = a.at(0), su = a.at(0);
    for(int i=1; i<n; i++){
        mi = min(mi, a.at(i));
        ma = max(ma, a.at(i));
        su += a.at(i);
    }
    cout << mi << " " << ma << " " << su << endl;
    return 0;
    
    
}


Compiler output:
a.cc:5:7: error: expected nested-name-specifier before 'namesoace'
    5 | using namesoace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:9:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    9 |     cin >> n;
      |     ^~~
      |     std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:10:5: error: 'vector' was not declared in this scope
   10 |     vector<int> a(N);
      |     ^~~~~~
a.cc:10:5: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:10:12: error: expected primary-expression before 'int'
   10 |     vector<int> a(N);
      |            ^~~
a.cc:11:35: error: 'a' was not declared in this scope
   11 |     for(int i=0; i<n; i++) cin >> a.at(i);
      |                                   ^
a.cc:13:14: error: 'a' was not declared in this scope
   13 |     int mi = a.at(0), ma = a.at(0), su = a.at(0);
      |              ^
a.cc:15:14: error: 'min' was not declared in this scope; did you mean 'std::min'?
   15 |         mi = min(mi, a.at(i));
      |              ^~~
      |              std::min
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:3:
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: 'std::min' declared here
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:16:9: error: 'ma' was not declared in this scope; did you mean 'mi'?
   16 |         ma = max(ma, a.at(i));
      |         ^~
      |         mi
a.cc:16:14: error: 'max' was not declared in this scope; did you mean 'std::max'?
   16 |         ma = max(ma, a.at(i));
      |              ^~~
      |              std::max
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:17:9: error: 'su' was not declared in this scope
   17 |         su += a.at(i);
      |         ^~
a.cc:19:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   19 |     cout << mi << " " << ma << " " << su << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:19:26: error: 'ma' was not declared in this scope; did you mean 'mi'?
   19 |     cout << mi << " " << ma << " " << su << endl;
      |                          ^~
      |                          mi
a.cc:19:39: error: 'su' was not declared in this scope
   19 |     cout << mi << " " << ma << " " << su << endl;
      |                                       ^~
a.cc:19:45: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   19 |     cout << mi << " " << ma << " " << su << endl;
      |                                             ^~~~
      |                                             std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~