Compilare: main.cpp: In function 'std::vector<long long int> inmultire(std::vector<long long int>, std::vector<long long int>)': main.cpp:20:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(l<a.size()&&cl<b.size()){ ~^~~~~~~~~ main.cpp:20:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(l<a.size()&&cl<b.size()){ ~~^~~~~~~~~ main.cpp: In function 'std::vector<long long int> adunare(std::vector<long long int>, std::vector<long long int>)': main.cpp:32:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(l<a.size()&&cl<b.size()){ ~^~~~~~~~~ main.cpp:32:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(l<a.size()&&cl<b.size()){ ~~^~~~~~~~~ main.cpp:39:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(l<a.size()) c.push_back(a[l++]); ~^~~~~~~~~ main.cpp:40:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cl<b.size()) c.push_back(b[cl++]); ~~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:92:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<st[1].size();i++) g<<st[1][i]<<' '; ~^~~~~~~~~~~~~