Compilare: main.cpp: In function 'int main()': main.cpp:91:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(it=0;it<ad[sf].size();it++){ ~~^~~~~~~~~~~~~~ main.cpp:100:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(it=0;it<ad[sf].size();it++){ ~~^~~~~~~~~~~~~~ main.cpp:58:9: warning: unused variable 't' [-Wunused-variable] int t,i,j,cates,sf; ^ main.cpp:58:13: warning: unused variable 'j' [-Wunused-variable] int t,i,j,cates,sf; ^