Compilare: main.cpp: In function 'int main()': main.cpp:22:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i=0;i<pozs.size();i++) | ~^~~~~~~~~~~~ main.cpp:23:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int j=i+1;j<pozs.size();j++) | ~^~~~~~~~~~~~ main.cpp:27:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i=1;i<pozs.size();i++) | ~^~~~~~~~~~~~ main.cpp:30:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int j=i;j<pozs.size();j++) | ~^~~~~~~~~~~~ main.cpp:38:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int j=i;j<pozs.size();j++) | ~^~~~~~~~~~~~ main.cpp:21:9: warning: unused variable 'poz' [-Wunused-variable] 21 | int poz=0,rez=0; | ^~~