Eroare de compilare: main.cpp: In function 'void match()': main.cpp:29:10: error: return-statement with a value, in function returning 'void' [-fpermissive] return ok; ^~ main.cpp: In function 'int main()': main.cpp:52:31: error: could not convert 'match()' from 'void' to 'bool' while( !s.empty() && match() ) ~~~~~^~ main.cpp:55:13: error: no matching function for call to 'std::stack<Liste>::push(int&)' s.push(k); ^ In file included from /usr/include/c++/6/stack:61:0, from main.cpp:2: /usr/include/c++/6/bits/stl_stack.h:218:7: note: candidate: void std::stack<_Tp, _Sequence>::push(const value_type&) [with _Tp = Liste; _Sequence = std::deque<Liste, std::allocator<Liste> >; std::stack<_Tp, _Sequence>::value_type = Liste] push(const value_type& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:218:7: note: no known conversion for argument 1 from 'int' to 'const value_type& {aka const Liste&}' /usr/include/c++/6/bits/stl_stack.h:223:7: note: candidate: void std::stack<_Tp, _Sequence>::push(std::stack<_Tp, _Sequence>::value_type&&) [with _Tp = Liste; _Sequence = std::deque<Liste, std::allocator<Liste> >; std::stack<_Tp, _Sequence>::value_type = Liste] push(value_type&& __x) ^~~~ /usr/include/c++/6/bits/stl_stack.h:223:7: note: no known conversion for argument 1 from 'int' to 'std::stack<Liste>::value_type&& {aka Liste&&}' main.cpp:58:26: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::stack<Liste>::size_type {aka long unsigned int}' [-Wformat=] printf( "%d", s.size() ); ^ main.cpp:35:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen( "liste.in", "r", stdin ); ^ main.cpp:36:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen( "liste.out", "w", stdout ); ^ main.cpp:40:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &n ); ^ main.cpp:44:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &m ); ^ main.cpp:48:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &k ); ^ Non zero exit status: 1