Borderou de evaluare (job #150799)

Compilare: user.cpp: In function ‘int prim(int)’: user.cpp:9:12: warning: unused variable ‘nr’ [-Wunused-variable] user.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int main()’: user.cpp:50:12: warning: unused variable ‘x1’ [-Wunused-variable] user.cpp:50:15: warning: unused variable ‘x2’ [-Wunused-variable] user.cpp:51:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:54:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int cautmic(int)’: user.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type]