Rezumat problemă

cate

#4092

Se dă n un număr natural și n perechi de numere (a, b). Să se determine:

• Câte numere din intervalul închis determinat de a și b au număr impar de divizori pozitivi.
• Câte numere cu exact trei divizori pozitivi se găsesc în intervalul închis determinat de a și b.

OJI 2022, Clasa a VI-a, problema de antrenament

Fișiere Pracsiu Dan (dnprx) Raluca Costineanu concurs

Clasa 9 Tablouri unidimensionale (vectori) Vectori caracteristici / de frecventa ciurul lui Eratostene

Rezolvă

Detalii

Problema	cate	Operații I/O	cate.in/cate.out
Limita timp	0.2 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#42092315	Utilizator	Rosianu Radu (rosianuradu_9E)
Fișier	cate.cpp	Dimensiune	1.48 KB
Data încărcării	15 Februarie 2023, 20:52	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cate.cpp: In function 'int main()':
cate.cpp:20:16: error: 'x' was not declared in this scope
             f>>x>>y;

                ^
cate.cpp:20:19: error: 'y' was not declared in this scope
             f>>x>>y;

                   ^
cate.cpp:21:18: error: 'b' was not declared in this scope
             if(a>b)

                  ^
cate.cpp:23:26: error: 'b' was not declared in this scope
             g<<(int)sqrt(b)-(int)sqrt(a-1);

                          ^
cate.cpp:23:42: error: no matching function for call to 'sqrt(int*)'
             g<<(int)sqrt(b)-(int)sqrt(a-1);

                                          ^
cate.cpp:23:42: note: candidates are:
In file included from /usr/include/features.h:374:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:426,
                 from /usr/include/c++/4.8/iostream:38,
                 from cate.cpp:1:
/usr/include/i386-linux-gnu/bits/mathcalls.h:156:1: note: double sqrt(double)
 __MATHCALL (sqrt,, (_Mdouble_ __x));
 ^
/usr/include/i386-linux-gnu/bits/mathcalls.h:156:1: note:   no known conversion for argument 1 from 'int*' to 'double'
In file included from cate.cpp:3:0:
/usr/include/c++/4.8/cmath:494:5: note: template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::sqrt(_Tp)
     sqrt(_Tp __x)
     ^
/usr/include/c++/4.8/cmath:494:5: note:   template argument deduction/substitution failed:
/usr/include/c++/4.8/cmath: In substitution of 'template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::sqrt(_Tp) [with _Tp = int*]':
cate.cpp:23:42:   required from here
/usr/include/c++/4.8/cmath:494:5: error: no type named '__type' in 'struct __gnu_cxx::__enable_if<false, double>'
/usr/include/c++/4.8/cmath:486:3: note: constexpr long double std::sqrt(long double)
   sqrt(long double __x)
   ^
/usr/include/c++/4.8/cmath:486:3: note:   no known conversion for argument 1 from 'int*' to 'long double'
/usr/include/c++/4.8/cmath:482:3: note: constexpr float std::sqrt(float)
   sqrt(float __x)
   ^
/usr/include/c++/4.8/cmath:482:3: note:   no known conversion for argument 1 from 'int*' to 'float'
cate.cpp:40:16: error: cannot bind 'std::basic_istream<char>' lvalue to 'std::basic_istream<char>&&'
             f>>a>>b; 

                ^
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from cate.cpp:1:
/usr/include/c++/4.8/istream:872:5: error:   initializing argument 1 of 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = int [100005]]'
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
cate.cpp:40:19: error: 'b' was not declared in this scope
             f>>a>>b; 

                   ^
cate.cpp:43:26: error: no matching function for call to 'sqrt(int [100005])'
             int ra=sqrt(a); 

                          ^
cate.cpp:43:26: note: candidates are:
In file included from /usr/include/features.h:374:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:426,
                 from /usr/include/c++/4.8/iostream:38,
                 from cate.cpp:1:
/usr/include/i386-linux-gnu/bits/mathcalls.h:156:1: note: double sqrt(double)
 __MATHCALL (sqrt,, (_Mdouble_ __x));
 ^
/usr/include/i386-linux-gnu/bits/mathcalls.h:156:1: note:   no known conversion for argument 1 from 'int [100005]' to 'double'
In file included from cate.cpp:3:0:
/usr/include/c++/4.8/cmath:494:5: note: template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::sqrt(_Tp)
     sqrt(_Tp __x)
     ^
/usr/include/c++/4.8/cmath:494:5: note:   template argument deduction/substitution failed:
/usr/include/c++/4.8/cmath: In substitution of 'template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::sqrt(_Tp) [with _Tp = int*]':
cate.cpp:43:26:   required from here
/usr/include/c++/4.8/cmath:494:5: error: no type named '__type' in 'struct __gnu_cxx::__enable_if<false, double>'
/usr/include/c++/4.8/cmath:486:3: note: constexpr long double std::sqrt(long double)
   sqrt(long double __x)
   ^
/usr/include/c++/4.8/cmath:486:3: note:   no known conversion for argument 1 from 'int [100005]' to 'long double'
/usr/include/c++/4.8/cmath:482:3: note: constexpr float std::sqrt(float)
   sqrt(float __x)
   ^
/usr/include/c++/4.8/cmath:482:3: note:   no known conversion for argument 1 from 'int [100005]' to 'float'
cate.cpp:45:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
             if(ra*ra<a) ra++; 

                      ^
cate.cpp:46:16: error: 'prime' was not declared in this scope
             g<<prime[rb]-prime[ra-1]<<'\n'; 

                ^

Cum funcționează evaluarea?