Compilare: main.cpp: In function 'bool bun()': main.cpp:10:29: warning: array subscript has type 'char' [-Wchar-subscripts] if( verific[ v[ i ] ] > 0 ) ^ main.cpp:11:53: warning: array subscript has type 'char' [-Wchar-subscripts] if( val > 0 && -verific[ ver[ val - 1 ] ] == verific[ v[ i ] ] ) ^ main.cpp:11:74: warning: array subscript has type 'char' [-Wchar-subscripts] if( val > 0 && -verific[ ver[ val - 1 ] ] == verific[ v[ i ] ] ) ^ main.cpp: In function 'int main()': main.cpp:32:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = poz = 0; i < a.size(); i++ ) ~~^~~~~~~~~~ main.cpp:22:14: warning: unused variable 'ch' [-Wunused-variable] int que, ch; ^~