Compilare: user.cpp: In function ‘void readPackages()’: user.cpp:114:42: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%lld ", &package[i][j]); ^ user.cpp: In function ‘void searchHash(int)’: user.cpp:186:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < usedPackages.size(); ++i) ^ user.cpp: In function ‘void readPackages()’: user.cpp:114:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld ", &package[i][j]); ^ user.cpp: In function ‘int main()’: user.cpp:222:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ", &n, &k); ^