Compilare: main.cpp: In function 'void concat(int, int)': main.cpp:158:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | if(i >= secventa.size()) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void cautare()': main.cpp:133:33: warning: 'orig' may be used uninitialized in this function [-Wmaybe-uninitialized] 133 | parinte[nod][i] = orig; | ~~~~~~~~~~~~~~~~^~~~~~ main.cpp: In function 'int ultimul()': main.cpp:149:12: warning: 'nod' may be used uninitialized in this function [-Wmaybe-uninitialized] 149 | return nod; | ^~~