Compilare: user.cpp: In function ‘int gol()’: user.cpp:47: warning: NULL used in arithmetic user.cpp: In function ‘int cade(int, int)’: user.cpp:74: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:84: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:85: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:87: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result