Compilare: main.cpp: In function 'secventa unite(secventa, secventa)': main.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i=0;i<y.a.size();i++) | ~^~~~~~~~~~~ main.cpp:37:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i=0;i<y.a.size();i++) | ~^~~~~~~~~~~ main.cpp:52:20: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::mapped_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if(fr[m]*2 > x.a.size()-i) main.cpp:63:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int j=0;j<maj.size();j++) | ~^~~~~~~~~~~ main.cpp:66:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int j=0;j<maj.size();j++) | ~^~~~~~~~~~~ main.cpp:69:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(int i=0;i<y.a.size();i++) | ~^~~~~~~~~~~ main.cpp:72:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int j=0;j<maj.size();j++) | ~^~~~~~~~~~~ main.cpp:90:40: warning: 'mij' may be used uninitialized [-Wmaybe-uninitialized] 90 | rez.cnt += aux[j].size() - mij; | ^~~ main.cpp:77:23: note: 'mij' was declared here 77 | int st,dr,mij; | ^~~