Compilare: main.cpp: In function 'bool ok(int)': main.cpp:114:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for (i = 0; i < vert.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:115:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for (j = i + 1; j < vert.size(); j++) | ~~^~~~~~~~~~~~~ main.cpp:134:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 134 | for (i = 0; i < orizont.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:135:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for (j = i + 1; j < orizont.size(); j++) | ~~^~~~~~~~~~~~~~~~