Compilare: user.cpp: In function ‘int main()’: user.cpp:36: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘long int’ user.cpp:28: warning: unused variable ‘i’ user.cpp:28: warning: unused variable ‘j’ user.cpp:26: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:27: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘long int determinePrimes(int, int, char*)’: user.cpp:23: warning: control reaches end of non-void function