Compilare: main.cpp: In function 'void cautbin_sol(long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int)': main.cpp:48:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=e1;i++){ ~^~~~ main.cpp:51:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=e2;i++){ ~^~~~ main.cpp: In function 'int main()': main.cpp:72:28: warning: unused variable 'cp' [-Wunused-variable] unsigned long long cp=a; ^~