Rezumat problemă

b16

#1270

Se dă un număr natural în baza 16. Să se transforme acest număr în baza 10.

Consola Vilău Marian (marianvilau) Marian Vilau ușoară

Clasa 10 Şiruri de caractere Prelucrări elementare pe șiruri de caractere

Rezolvă

Detalii

Problema	b16	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#62068401	Utilizator	ioana maria (ioanamaria2002)
Fișier	b16.cpp	Dimensiune	494 B
Data încărcării	06 Ianuarie 2026, 22:31	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

b16.cpp: In function 'int main()':
b16.cpp:7:17: error: reference to 'hex' is ambiguous
     cin.getline(hex, 20);

                 ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^
b16.cpp:8:23: error: reference to 'hex' is ambiguous
     int lung = strlen(hex);

                       ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^
b16.cpp:11:13: error: reference to 'hex' is ambiguous
         if (hex[i] >= '0' && hex[i] <= '9') valoare = hex[i] - '0';

             ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^
b16.cpp:11:30: error: reference to 'hex' is ambiguous
         if (hex[i] >= '0' && hex[i] <= '9') valoare = hex[i] - '0';

                              ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^
b16.cpp:11:55: error: reference to 'hex' is ambiguous
         if (hex[i] >= '0' && hex[i] <= '9') valoare = hex[i] - '0';

                                                       ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^
b16.cpp:12:18: error: reference to 'hex' is ambiguous
         else if (hex[i] >= 'A' && hex[i] <= 'F') valoare = hex[i] - 'A' + 10;

                  ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^
b16.cpp:12:35: error: reference to 'hex' is ambiguous
         else if (hex[i] >= 'A' && hex[i] <= 'F') valoare = hex[i] - 'A' + 10;

                                   ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^
b16.cpp:12:60: error: reference to 'hex' is ambiguous
         else if (hex[i] >= 'A' && hex[i] <= 'F') valoare = hex[i] - 'A' + 10;

                                                            ^
b16.cpp:5:6: note: candidates are: char hex [20]
 char hex[20];

      ^
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from b16.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:947:3: note:                 std::ios_base& std::hex(std::ios_base&)
   hex(ios_base& __base)
   ^

Cum funcționează evaluarea?