Compilare: main.cpp: In function 'void SolveSmall(int)': main.cpp:21:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < ap[val].size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp:22:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i; j < ap[val].size(); j++) ~~^~~~~~~~~~~~~~~~ main.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == ap[val].size() - 1) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:121:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ap[i].size() <= rad) ~~~~~~~~~~~~~^~~~~~