Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<stdio.h>
using namespace std;

string daylist[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
string timelist[] = {"Day","Night"};
int s,n,t,p,m;
string weekday,time;

double solve(int sweek,int stime){
	double ans = 1;
	for(int i=0;i<m;i++){
		bool flag = true;
		int tindex=0;
		if(stime >= 6*60 && stime < 18*60){
			tindex = 0;
		}else{
			tindex = 1;
		}
		if(weekday == "All" || daylist[sweek] == weekday){
			if(time == "All" || timelist[tindex] == time){
				;
			}else{
				flag = false;
			}
		}else{
			flag = false;
		}

		stime += s;
		if(stime >= 24*60){
			sweek++;
			if(sweek == 7){
				sweek = 0;
			}
			stime -= 24*60;
		}

		if(stime >= 6*60 && stime < 18*60){
			tindex = 0;
		}else{
			tindex = 1;
		}
		if(weekday == "All" || daylist[sweek] == weekday){
			if(time == "All" || timelist[tindex] == time){
				;
			}else{
				flag = false;
			}
		}else{
			flag = false;
		}


		if(flag){
			for(int j=0;j<n;j++){
				ans *= 1-1.0/p;
			}
		}

		stime += (t-s);
		if(stime >= 24*60){
			sweek++;
			if(sweek == 7){
				sweek = 0;
			}
			stime -= 24*60;
		}
	}
	return 1-(double)ans;
}

int main(){
	while(true){
		cin >> s >> n >> t >> weekday >> time >> p >> m;
		if(s == 0){
			break;
		}

		double ans=0;
		for(int i=0;i<7;i++){
			for(int j=0;j<(24*60);j++){
				ans = max (ans,solve(i,j));
			}	
		}
		printf("%.10f\n",ans);
	}
}

Compiler output:
a.cc:10:16: error: 'std::string time' redeclared as different kind of entity
   10 | string weekday,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:1:
/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 'double solve(int, int)':
a.cc:23:33: error: comparison between distinct pointer types 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} and 'const char*' lacks a cast
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                            ~~~~~^~~~~~~~
a.cc:23:62: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'time_t(time_t*) noexcept' {aka 'long int(long int*) noexcept'})
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                             ~~~~~~~~~~~~~~~~ ^~ ~~~~
      |                                                            |    |
      |                                                            |    time_t(time_t*) noexcept {aka long int(long int*) noexcept}
      |                                                            std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/iosfwd:42,
                 from /usr/include/c++/14/ios:40:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
  192 |     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
In file included from /usr/include/c++/14/string:43,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
  235 |     operator==(const allocator<_T1>&, const allocator<_T2>&)
      |     ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  441 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  486 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1667 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1737 |     operator==(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1033 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  629 |     operator==(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  637 |     operator==(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:637:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
/usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  644 |     operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:644:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'}
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3755 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note:   template argument deduction/substitution failed:
a.cc:23:65: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'time_t(time_t*) noexcept' {aka 'long int(long int*) noexcept'}
   23 |                         if(time == "All" || timelist[tindex] == time){
      |                                                                 ^~~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3772 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note:   te