Compilare: main.cpp:71:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^ main.cpp: In function 'int main()': main.cpp:120:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i <= s && i < dp1.size() && i < dp2.size(); ++i) ~~^~~~~~~~~~~~ main.cpp:120:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i <= s && i < dp1.size() && i < dp2.size(); ++i) ~~^~~~~~~~~~~~