Compilare: main.cpp: In function 'int main()': main.cpp:100:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for(int i=1;i<nss.size();i++) | ~^~~~~~~~~~~ main.cpp:102:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int i=1;i<nsk.size();i++) | ~^~~~~~~~~~~ main.cpp:34:13: warning: unused variable 'i' [-Wunused-variable] 34 | int n,m,i,a,b; | ^