Compilare: main.cpp: In function 'void dp()': main.cpp:61:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = prevsol + 1; j <= lst[sol - i + 1] + s2.size() - 2; ++j) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:114:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < s2.size(); ++i) ~~^~~~~~~~~~~ main.cpp:116:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < s1.size(); ++i) ~~^~~~~~~~~~~