Compilare: main.cpp: In function 'int main()': main.cpp:82:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for(i=0;i<op2.size();i++) | ~^~~~~~~~~~~ main.cpp:46:13: warning: unused variable 'j' [-Wunused-variable] 46 | int n,i,j,k; | ^ main.cpp:46:15: warning: unused variable 'k' [-Wunused-variable] 46 | int n,i,j,k; | ^ main.cpp:64:17: warning: 'rad' may be used uninitialized [-Wmaybe-uninitialized] 64 | liniarizare2(rad); | ~~~~~~~~~~~~^~~~~ main.cpp:54:9: note: 'rad' was declared here 54 | int rad; | ^~~