Compilare: main.cpp: In function 'int kov_profi()': main.cpp:45:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for (int i = 1; i < vesz_db.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int calc_pk()': main.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int i = 1; i < vesz_db.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:86:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for (int i = 1; i < x.size(); i++) | ~~^~~~~~~~~~ main.cpp:94:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for (int i = 1; i < vesz.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:137:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 137 | for (int i = 1; i < vesz[pers].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:152:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 152 | for (int i = 0; i < vesz.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int kov_profi()': main.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type] 56 | } | ^