Language: C++


using namespace std;
using ll =long long;
using db = double;
using vll = vector<long long>;

template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
#define che(a,string) cout<<"//"<<string <<"=="<<(a)<<"//" <<endl;
#define SORT(a) sort((a).begin(),(a).end())
#define rSORT(a) reverse((a).begin(),(a).end())
#define For(i, a, b)    for(int i = (a) ; i < (b) ; ++i)
#define rep(i, n)       For(i, 0, n)
#define leftunique(a) {SORT(a);(a).erase(unique((a).begin(),(a).end()),(a).end());}
//leftuniqueは配列から同じ要素のものを取り除く 例 4 6 2 1 3 4 1 2 なら 1 2 3 4 6 になる
#define debug(x)  cout << #x << " = " << (x) << endl;
bool IsInt(double a){int b = a/1;if(a==b){return true;}else {return false;}}
bool coY() {cout <<"Yes"<<endl;}
bool coN(){cout <<"No"<<endl;}
const int mod = 1e9 + 7;
#include <bits/stdc++.h>

using namespace std;
using ll =long long;
using db = double;
using vll = vector<long long>;

template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
#define che(a,string) cout<<"//"<<string <<"=="<<(a)<<"//" <<endl;
#define SORT(a) sort((a).begin(),(a).end())
#define rSORT(a) reverse((a).begin(),(a).end())
#define For(i, a, b)    for(int i = (a) ; i < (b) ; ++i)
#define rep(i, n)       For(i, 0, n)
#define leftunique(a) {SORT(a);(a).erase(unique((a).begin(),(a).end()),(a).end());}
//leftuniqueは配列から同じ要素のものを取り除く 例 4 6 2 1 3 4 1 2 なら 1 2 3 4 6 になる
#define debug(x)  cout << #x << " = " << (x) << endl;
bool IsInt(double a){int b = a/1;if(a==b){return true;}else {return false;}}
bool coY() {cout <<"Yes"<<endl;}
bool coN(){cout <<"No"<<endl;}
const int mod = 1e9 + 7;
const ll INF = 1LL << 60;
//ここから書き始める

int main()
{
	cout <<setprecision(10);
	int N;
	int64 T[100];

	cin >> N;
	rep(i,N) cin >> T[i];
	int64 gcd = 1;
	rep(i,N){
		gcd = T[i] /__gcd(T[i],gcd) * gcd;
	}
	cout << gcd << endl;
}


Compiler output:
a.cc:5:13: error: 'vector' does not name a type
    5 | using vll = vector<long long>;
      |             ^~~~~~
a.cc: In function 'bool coY()':
a.cc:18:13: error: 'cout' was not declared in this scope
   18 | bool coY() {cout <<"Yes"<<endl;}
      |             ^~~~
a.cc:1:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | 
a.cc:18:27: error: 'endl' was not declared in this scope
   18 | bool coY() {cout <<"Yes"<<endl;}
      |                           ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | 
a.cc:18:32: warning: no return statement in function returning non-void [-Wreturn-type]
   18 | bool coY() {cout <<"Yes"<<endl;}
      |                                ^
a.cc: In function 'bool coN()':
a.cc:19:12: error: 'cout' was not declared in this scope
   19 | bool coN(){cout <<"No"<<endl;}
      |            ^~~~
a.cc:19:12: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:19:25: error: 'endl' was not declared in this scope
   19 | bool coN(){cout <<"No"<<endl;}
      |                         ^~~~
a.cc:19:25: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:19:30: warning: no return statement in function returning non-void [-Wreturn-type]
   19 | bool coN(){cout <<"No"<<endl;}
      |                              ^
a.cc: At global scope:
a.cc:28:31: error: redefinition of 'template<class T> bool chmin(T&, T)'
   28 | template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
      |                               ^~~~~
a.cc:7:31: note: 'template<class T> bool chmin(T&, T)' previously declared here
    7 | template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
      |                               ^~~~~
a.cc:29:31: error: redefinition of 'template<class T> bool chmax(T&, T)'
   29 | template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
      |                               ^~~~~
a.cc:8:31: note: 'template<class T> bool chmax(T&, T)' previously declared here
    8 | template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
      |                               ^~~~~
a.cc:38:6: error: redefinition of 'bool IsInt(double)'
   38 | bool IsInt(double a){int b = a/1;if(a==b){return true;}else {return false;}}
      |      ^~~~~
a.cc:17:6: note: 'bool IsInt(double)' previously defined here
   17 | bool IsInt(double a){int b = a/1;if(a==b){return true;}else {return false;}}
      |      ^~~~~
a.cc:39:6: error: redefinition of 'bool coY()'
   39 | bool coY() {cout <<"Yes"<<endl;}
      |      ^~~
a.cc:18:6: note: 'bool coY()' previously defined here
   18 | bool coY() {cout <<"Yes"<<endl;}
      |      ^~~
a.cc: In function 'bool coY()':
a.cc:39:32: warning: no return statement in function returning non-void [-Wreturn-type]
   39 | bool coY() {cout <<"Yes"<<endl;}
      |                                ^
a.cc: At global scope:
a.cc:40:6: error: redefinition of 'bool coN()'
   40 | bool coN(){cout <<"No"<<endl;}
      |      ^~~
a.cc:19:6: note: 'bool coN()' previously defined here
   19 | bool coN(){cout <<"No"<<endl;}
      |      ^~~
a.cc: In function 'bool coN()':
a.cc:40:30: warning: no return statement in function returning non-void [-Wreturn-type]
   40 | bool coN(){cout <<"No"<<endl;}
      |                              ^
a.cc: At global scope:
a.cc:41:11: error: redefinition of 'const int mod'
   41 | const int mod = 1e9 + 7;
      |           ^~~
a.cc:20:11: note: 'const int mod' previously defined here
   20 | const int mod = 1e9 + 7;
      |           ^~~
a.cc: In function 'int main()':
a.cc:49:9: error: 'int64' was not declared in this scope
   49 |         int64 T[100];
      |         ^~~~~
a.cc:52:25: error: 'T' was not declared in this scope
   52 |         rep(i,N) cin >> T[i];
      |                         ^
a.cc:53:14: error: expected ';' before 'gcd'
   53 |         int64 gcd = 1;
      |              ^~~~
      |              ;
a.cc:55:23: error: 'T' was not declared in this scope
   55 |                 gcd = T[i] /__gcd(T[i],gcd) * gcd;
      |                       ^
a.cc:57:14: error: no match for 'operator<<' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and '<unresolved overloaded function type>')
   57 |         cout << gcd << 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:21:
/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