Borderou de evaluare (job #773691)

Compilare: main.cpp: In function 'int main()': main.cpp:35:31: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} and 'int' [-Wsign-compare] 35 | if(os[a-1][b-1].size()>mx) | ~~~~~~~~~~~~~~~~~~~^~~ main.cpp:50:43: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} and 'int' [-Wsign-compare] 50 | if(os[j][z].size()>=pz+1) | ~~~~~~~~~~~~~~~^~~~~~ main.cpp:76:43: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} and 'int' [-Wsign-compare] 76 | if(os[z][j].size()>=pz+1) | ~~~~~~~~~~~~~~~^~~~~~