Language: C++

/*****include*****/
#include <iostream>
#include <fstream>

/*****デバッグ定義*****/
//#define DEBUG
/*****マクロ定義*****/
#define INF	30000
/*****名前空間*****/
using namespace std;

/*****グローバル変数置き場*****/
int *time;
int mini;
bool *visited;
int num;

/*****その他関数置き場*****/
void dfs(int node,int wait,int total){
	int i;
	visited[node] = true;
	/*for(int i=0;i<num;i++)
		cout << visited[i] << " ";
	cout << endl;*/
	total += wait;
	wait += time[node];
	//cout << wait <<" " << total << endl;
	for(i=0;i<num;i++)
		if(!visited[i])	break;
	if(i==num){
		if(mini > total){
			mini = total;
			//cout << "*" << mini << endl;
			//cout << mini << endl;
		}
		//cout << "b" << endl;
		return;
	}
	for(i=0;i<num;i++){
		if(!(i==node || visited[i])){
			//cout << "c" << endl;
			dfs(i,wait,total);
			//cout << "d" << endl;
			visited[i] = false;
		}
	}
}
/*****main関数*****/
int main(){
	/*****ファイルオープン*****/
#ifdef DEBUG
	ofstream fout("output.txt");
	ifstream fin("input.txt");
	if(!fout || !fin){
		cout << "Can't open the file.\n";
		return 0;
	}
#endif
	/*****変数置き場*****/
	/*****処理部*****/
	while(1){
		mini = INF;
		cin >> num;
		if(num == 0)	break;
		time = new int [num];
		visited = new bool [num];
		for(int i=0;i<num;i++){
			time[i] = 0;
			visited[i] = false;
		}
		for(int i=0;i<num;i++)
			cin >> time[i];
		for(int i=0;i<num;i++){
			dfs(i,0,0);
			//cout << "d" << endl;
			visited[i] = false;
		}
		cout << mini << endl;
	}
	/*****処理終了後*****/
#ifdef DEBUG
	fout.close();
	fin.close();
#endif
	return 0;
}

Compiler output:
a.cc:13:6: error: 'int* time' redeclared as different kind of entity
   13 | int *time;
      |      ^~~~
In file included from /usr/include/pthread.h:23,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/gthr-default.h:35,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/gthr.h:157,
                 from /usr/include/c++/14/ext/atomicity.h:35,
                 from /usr/include/c++/14/bits/ios_base.h:39,
                 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/time.h:76:15: note: previous declaration 'time_t time(time_t*)'
   76 | extern time_t time (time_t *__timer) __THROW;
      |               ^~~~
a.cc: In function 'void dfs(int, int, int)':
a.cc:26:26: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   26 |         wait += time[node];
      |                          ^
a.cc:26:14: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   26 |         wait += time[node];
      |         ~~~~~^~~~~~~~~~~~~
a.cc:26:14: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'int' [-fpermissive]
   26 |         wait += time[node];
      |         ~~~~~^~~~~~~~~~~~~
      |              |
      |              time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc: In function 'int main()':
a.cc:65:22: error: assignment of function 'time_t time(time_t*)'
   65 |                 time = new int [num];
      |                 ~~~~~^~~~~~~~~~~~~~~
a.cc:68:31: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   68 |                         time[i] = 0;
      |                               ^
a.cc:68:33: error: assignment of read-only location '*(time + ((sizetype)i))'
   68 |                         time[i] = 0;
      |                         ~~~~~~~~^~~
a.cc:72:38: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   72 |                         cin >> time[i];
      |                                      ^
a.cc:72:29: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'time_t(time_t*) noexcept' {aka 'long int(long int*) noexcept'})
   72 |                         cin >> time[i];
      |                         ~~~ ^~ ~~~~~~~
      |                         |            |
      |                         |            time_t(time_t*) noexcept {aka long int(long int*) noexcept}
      |                         std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/iostream:42:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'}
   72 |                         cin >> time[i];
      |                                ~~~~~~^
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'short int' [-fpermissive]
   72 |                         cin >> time[i];
      |                                ~~~~~~^
      |                                      |
      |                                      time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc:72:38: error: cannot bind rvalue '(short int)(time + ((sizetype)i))' to 'short int&'
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'short unsigned int' [-fpermissive]
   72 |                         cin >> time[i];
      |                                ~~~~~~^
      |                                      |
      |                                      time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc:72:38: error: cannot bind rvalue '(short unsigned int)(time + ((sizetype)i))' to 'short unsigned int&'
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'int' [-fpermissive]
   72 |                         cin >> time[i];
      |                                ~~~~~~^
      |                                      |
      |                                      time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc:72:38: error: cannot bind rvalue '(int)(time + ((sizetype)i))' to 'int&'
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'unsigned int' [-fpermissive]
   72 |                         cin >> time[i];
      |                                ~~~~~~^
      |                                      |
      |                                      time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc:72:38: error: cannot bind rvalue '(unsigned int)(time + ((sizetype)i))' to 'unsigned int&'
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'long int' [-fpermissive]
   72 |                         cin >> time[i];
      |                                ~~~~~~^
      |                                      |
      |                                      time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc:72:38: error: cannot bind rvalue '(long int)(time + ((sizetype)i))' to 'long int&'
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'long unsigned int' [-fpermissive]
   72 |                         cin >> time[i];
      |                                ~~~~~~^
      |                                      |
      |                                      time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc:72:38: error: cannot bind rvalue '(long unsigned int)(time + ((sizetype)i))' to 'long unsigned int&'
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:72:38: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'long long int' [-fpermissive]
   72 |                         cin >> time[i];
      |                                ~~~~~~^
      |                                      |
      |                                      time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept}
a.cc:72:38: error: cannot bind rvalue '(long long int)(time + ((sizetype)i))' to 'long long int&'
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.c