Compilare: main.cpp: In function 'void compute(std::string)': main.cpp:13:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(poz++; poz<t.size(); poz++) r = r * 10 + 1LL*(t[poz]-'0'); | ~~~^~~~~~~~~ main.cpp: In function 'std::vector<int> intersectie(std::vector<int>, std::vector<int>)': main.cpp:22:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | while(i<a.size() and j<b.size()) { | ~^~~~~~~~~ main.cpp:22:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | while(i<a.size() and j<b.size()) { | ~^~~~~~~~~ main.cpp: In function 'std::vector<int> reuniune(std::vector<int>, std::vector<int>)': main.cpp:36:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | while(i<a.size() and j<b.size()) { | ~^~~~~~~~~ main.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | while(i<a.size() and j<b.size()) { | ~^~~~~~~~~ main.cpp:50:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | while(i<a.size()) { | ~^~~~~~~~~ main.cpp:54:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | while(j<b.size()) { | ~^~~~~~~~~