#3924
cripto1
Se dă un limbaj format din N
cuvinte și un text criptat format din M
cuvinte. Spunem că un cuvânt se permută după un șir \({x}_{1}, {x}_{2}, …, {x}_{K} \) dacă prima literă se permută cu \({x}_{1}\), a doua cu \({x}_{2}\), …, iar ultima cu \({x}_{K}\).
De exemplu, după șirul 1 5 6
, “abc” devine “bgi”. Permutarea se face în ordinea literelor mici din alfabetul englez. Dacă o literă ar trece de finalul alfabetului, aceasta îl reia și apoi permută și litera următoare cu 1
.
În cazul în care ultima literă trece de finalul alfabetului, atunci cuvântul devine invalid. De exemplu, “zza” permutat după șirul 1 2 3
, devine “ace”. (adunarea se face cu transport pornind de la stânga). Dacă “zzz” s-ar permuta după șirul 1 2 3
, ar deveni invalid. Cele mai “semnificative” litere sunt de la dreapta la stânga.
Vrem să decriptăm textul, folosind mai multe variante de șiruri pe care le considerăm valabile. Cel mai bun șir de decriptare este acela pentru care numărul de cuvinte din textul criptat care se găsesc, după operație, în limbaj, este maximal.
Info-Oltenia 2020, clasa a IX-a
Problema | cripto1 | Operații I/O |
cripto1.in /cripto1.out
|
---|---|---|---|
Limita timp | 3 secunde | Limita memorie |
Total: 128 MB
/
Stivă 32 MB
|
Id soluție | #42427207 | Utilizator | |
Fișier | cripto1.cpp | Dimensiune | 1.98 KB |
Data încărcării | 06 Martie 2023, 09:03 | Scor / rezultat | Eroare de compilare |
cripto1.cpp:7:9: error: '__int128_t' does not name a type typedef __int128_t number; ^ cripto1.cpp:8:7: error: 'number' does not name a type const number BASE = 26; ^ cripto1.cpp:10:1: error: 'number' does not name a type number stringToNumber(const std::string& word) { ^ cripto1.cpp: In function 'int main()': cripto1.cpp:28:24: error: 'number' was not declared in this scope std::unordered_map<number, int> targets; ^ cripto1.cpp:28:35: error: template argument 1 is invalid std::unordered_map<number, int> targets; ^ cripto1.cpp:28:35: error: template argument 3 is invalid cripto1.cpp:28:35: error: template argument 4 is invalid cripto1.cpp:28:35: error: template argument 5 is invalid cripto1.cpp:28:44: error: invalid type in declaration before ';' token std::unordered_map<number, int> targets; ^ cripto1.cpp:31:16: error: expected ';' before 'x' number x = stringToNumber(read); ^ cripto1.cpp:33:17: error: 'x' was not declared in this scope targets[x]++; ^ cripto1.cpp:39:17: error: the value of 'number' is not usable in a constant expression std::vector<number> encryptedWords(m); ^ cripto1.cpp:28:24: note: 'number' was not declared 'constexpr' std::unordered_map<number, int> targets; ^ cripto1.cpp:39:23: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Alloc> class std::vector' std::vector<number> encryptedWords(m); ^ cripto1.cpp:39:23: error: expected a type, got 'number' cripto1.cpp:39:23: error: template argument 2 is invalid cripto1.cpp:39:39: error: invalid type in declaration before '(' token std::vector<number> encryptedWords(m); ^ cripto1.cpp:42:25: error: invalid types 'int[int]' for array subscript encryptedWords[i] = stringToNumber(read); ^ cripto1.cpp:42:48: error: 'stringToNumber' was not declared in this scope encryptedWords[i] = stringToNumber(read); ^ cripto1.cpp:47:17: error: the value of 'number' is not usable in a constant expression std::vector<number> keys(q); ^ cripto1.cpp:28:24: note: 'number' was not declared 'constexpr' std::unordered_map<number, int> targets; ^ cripto1.cpp:47:23: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Alloc> class std::vector' std::vector<number> keys(q); ^ cripto1.cpp:47:23: error: expected a type, got 'number' cripto1.cpp:47:23: error: template argument 2 is invalid cripto1.cpp:47:29: error: invalid type in declaration before '(' token std::vector<number> keys(q); ^ cripto1.cpp:50:16: error: expected ';' before 'num' number num = 0; ^ cripto1.cpp:55:13: error: 'num' was not declared in this scope num = num * BASE + tmp[j]; ^ cripto1.cpp:55:25: error: 'BASE' was not declared in this scope num = num * BASE + tmp[j]; ^ cripto1.cpp:58:15: error: invalid types 'int[int]' for array subscript keys[i] = num; ^ cripto1.cpp:58:19: error: 'num' was not declared in this scope keys[i] = num; ^ cripto1.cpp:61:12: error: expected ';' before 'limit' number limit = 1; for(int i = 0; i < k; i++) limit *= BASE; ^ cripto1.cpp:61:50: error: 'limit' was not declared in this scope number limit = 1; for(int i = 0; i < k; i++) limit *= BASE; ^ cripto1.cpp:61:59: error: 'BASE' was not declared in this scope number limit = 1; for(int i = 0; i < k; i++) limit *= BASE; ^ cripto1.cpp:66:21: error: no matching function for call to 'begin(int&)' for(auto c: encryptedWords) { ^ cripto1.cpp:66:21: note: candidates are: In file included from /usr/include/c++/4.8/bits/basic_string.h:42:0, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from cripto1.cpp:1: /usr/include/c++/4.8/initializer_list:89:5: note: template<class _Tp> constexpr const _Tp* std::begin(std::initializer_list<_Tp>) begin(initializer_list<_Tp> __ils) noexcept ^ /usr/include/c++/4.8/initializer_list:89:5: note: template argument deduction/substitution failed: cripto1.cpp:66:21: note: mismatched types 'std::initializer_list<_Tp>' and 'int' for(auto c: encryptedWords) { ^ In file included from /usr/include/c++/4.8/string:51:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from cripto1.cpp:1: /usr/include/c++/4.8/bits/range_access.h:87:5: note: template<class _Tp, unsigned int _Nm> _Tp* std::begin(_Tp (&)[_Nm]) begin(_Tp (&__arr)[_Nm]) ^ /usr/include/c++/4.8/bits/range_access.h:87:5: note: template argument deduction/substitution failed: cripto1.cpp:66:21: note: mismatched types '_Tp [_Nm]' and 'int' for(auto c: encryptedWords) { ^ In file included from /usr/include/c++/4.8/string:51:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from cripto1.cpp:1: /usr/include/c++/4.8/bits/range_access.h:58:5: note: template<class _Container> decltype (__cont.begin()) std::begin(const _Container&) begin(const _Container& __cont) -> decltype(__cont.begin()) ^ /usr/include/c++/4.8/bits/range_access.h:58:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.begin()) std::begin(const _Container&) [with _Container = int]': cripto1.cpp:66:21: required from here /usr/include/c++/4.8/bits/range_access.h:58:5: error: request for member 'begin' in '__cont', which is of non-class type 'const int' /usr/include/c++/4.8/bits/range_access.h:48:5: note: template<class _Container> decltype (__cont.begin()) std::begin(_Container&) begin(_Container& __cont) -> decltype(__cont.begin()) ^ /usr/include/c++/4.8/bits/range_access.h:48:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.begin()) std::begin(_Container&) [with _Container = int]': cripto1.cpp:66:21: required from here /usr/include/c++/4.8/bits/range_access.h:48:5: error: request for member 'begin' in '__cont', which is of non-class type 'int' cripto1.cpp:66:21: error: no matching function for call to 'end(int&)' for(auto c: encryptedWords) { ^ cripto1.cpp:66:21: note: candidates are: In file included from /usr/include/c++/4.8/bits/basic_string.h:42:0, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from cripto1.cpp:1: /usr/include/c++/4.8/initializer_list:99:5: note: template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>) end(initializer_list<_Tp> __ils) noexcept ^ /usr/include/c++/4.8/initializer_list:99:5: note: template argument deduction/substitution failed: cripto1.cpp:66:21: note: mismatched types 'std::initializer_list<_Tp>' and 'int' for(auto c: encryptedWords) { ^ In file included from /usr/include/c++/4.8/string:51:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from cripto1.cpp:1: /usr/include/c++/4.8/bits/range_access.h:97:5: note: template<class _Tp, unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm]) end(_Tp (&__arr)[_Nm]) ^ /usr/include/c++/4.8/bits/range_access.h:97:5: note: template argument deduction/substitution failed: cripto1.cpp:66:21: note: mismatched types '_Tp [_Nm]' and 'int' for(auto c: encryptedWords) { ^ In file included from /usr/include/c++/4.8/string:51:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from cripto1.cpp:1: /usr/include/c++/4.8/bits/range_access.h:78:5: note: template<class _Container> decltype (__cont.end()) std::end(const _Container&) end(const _Container& __cont) -> decltype(__cont.end()) ^ /usr/include/c++/4.8/bits/range_access.h:78:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.end()) std::end(const _Container&) [with _Container = int]': cripto1.cpp:66:21: required from here /usr/include/c++/4.8/bits/range_access.h:78:5: error: request for member 'end' in '__cont', which is of non-class type 'const int' /usr/include/c++/4.8/bits/range_access.h:68:5: note: template<class _Container> decltype (__cont.end()) std::end(_Container&) end(_Container& __cont) -> decltype(__cont.end()) ^ /usr/include/c++/4.8/bits/range_access.h:68:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.end()) std::end(_Container&) [with _Container = int]': cripto1.cpp:66:21: required from here /usr/include/c++/4.8/bits/range_access.h:68:5: error: request for member 'end' in '__cont', which is of non-class type 'int' cripto1.cpp:67:26: error: invalid types 'int[int]' for array subscript if(c + keys[i] >= limit) continue; ^ cripto1.cpp:67:31: error: 'limit' was not declared in this scope if(c + keys[i] >= limit) continue; ^ cripto1.cpp:68:31: error: request for member 'find' in 'targets', which is of non-class type 'int' auto it = targets.find(c + keys[i]); ^ cripto1.cpp:68:46: error: invalid types 'int[int]' for array subscript auto it = targets.find(c + keys[i]); ^ cripto1.cpp:69:30: error: request for member 'end' in 'targets', which is of non-class type 'int' if(it != targets.end()) ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema cripto1 face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.