Borderou de evaluare (job #17783)

Compilare: user.cpp: In function 'int prim(int)': user.cpp:7:27: warning: unused variable 'p' [-Wunused-variable] user.cpp: In function 'int main()': user.cpp:46:19: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int' [-Wformat] user.cpp:37:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:38:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:39:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:42:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]