Compilare: main.cpp: In function 'int main()': main.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int j = 0; j < where[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:45:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int j = 0; j < where[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:52:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int k = 0; k < cine[b].size(); k++) | ~~^~~~~~~~~~~~~~~~ main.cpp:54:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | while(it < cine[a].size() && cine[a][it] < cine[b][k]) | ~~~^~~~~~~~~~~~~~~~ main.cpp:64:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | if(it < cine[a].size() && cine[a][it] > cine[b][k]) | ~~~^~~~~~~~~~~~~~~~ main.cpp:66:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | else if(it < cine[a].size()) | ~~~^~~~~~~~~~~~~~~~ main.cpp:69:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | while(it < cine[a].size()) | ~~~^~~~~~~~~~~~~~~~ main.cpp:46:13: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized] 46 | if(j != ind) | ^~