Compilare: main.cpp: In function 'void Solve()': main.cpp:98:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<A.size();i++) ~^~~~~~~~~ main.cpp:121:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=sol;j<B.size();j++) ~^~~~~~~~~ main.cpp: In function 'void SecondTask()': main.cpp:134:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[1].size();i++) ~^~~~~~~~~~~~ main.cpp:136:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[2].size();j++) ~^~~~~~~~~~~~ main.cpp:139:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[3].size();i++) ~^~~~~~~~~~~~ main.cpp:141:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[4].size();j++) ~^~~~~~~~~~~~