Compilare: main.cpp: In function 'void Read()': main.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=r; i++) ~^~~ main.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=r; i++) ~^~~ main.cpp: In function 'int Amprenta(long long unsigned int)': main.cpp:62:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<t.size(); i++) ~^~~~~~~~~ main.cpp:71:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<t.size(); i++) ~^~~~~~~~~