Compilare: main.cpp: In function 'int main()': main.cpp:72:37: warning: narrowing conversion of '(len / 2)' from 'int' to 'short unsigned int' [-Wnarrowing] 72 | ceva.push_back({nr, len / 2, (len & 1), j}); | ~~~~^~~ main.cpp:72:47: warning: narrowing conversion of '(len & 1)' from 'int' to 'bool' [-Wnarrowing] 72 | ceva.push_back({nr, len / 2, (len & 1), j}); | ~~~~~^~~~ main.cpp:72:53: warning: narrowing conversion of 'j' from 'int' to 'char' [-Wnarrowing] 72 | ceva.push_back({nr, len / 2, (len & 1), j}); | ^ main.cpp:79:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ob>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | while (i < ceva.size()) | ~~^~~~~~~~~~~~~