Compilare: main.cpp: In function 'void dp()': main.cpp:72:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < Rose.size(); ++j) ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:89:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < s2.size(); ++i) ~~^~~~~~~~~~~ main.cpp:93:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < s1.size(); ++i) ~~^~~~~~~~~~~ main.cpp:97:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < s1.size(); ++i) ~~^~~~~~~~~~~