Compilare: main.cpp: In function 'long long int cb1(long long int)': main.cpp:56:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pp[mid] < x) main.cpp: In function 'long long int cb2(long long int)': main.cpp:77:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pp[mid] <= x) main.cpp: In function 'int main()': main.cpp:96:22: warning: integer overflow in expression [-Woverflow] pp.push_back(DIM *DIM + 1); ~~~~^~~~