Compilare: main.cpp: In function 'int findFirst()': main.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<input>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int j=0; j<arr.size(); ++j){ | ~^~~~~~~~~~~ main.cpp: In function 'void infasuratoare(bool)': main.cpp:57:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<input>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for (int j=2; j<arr.size(); ++j){ | ~^~~~~~~~~~~ main.cpp:68:20: warning: comparison of integer expressions of different signedness: 'std::vector<input>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 68 | if (aux.size() != lenght){ // daca nu toate fac parte din infasuratoare | ~~~~~~~~~~~^~~~~~~~~ main.cpp: In function 'int findFirst()': main.cpp:22:12: warning: 'rez' may be used uninitialized [-Wmaybe-uninitialized] 22 | return rez; | ^~~ main.cpp:17:9: note: 'rez' was declared here 17 | int rez; | ^~~