Compilare: user.cpp: In function ‘int mult(int)’: user.cpp:23:13: warning: no return statement in function returning non-void [-Wreturn-type] rasp[0]=i-1;} ^ user.cpp: In function ‘int mul(int, int)’: user.cpp:26:10: warning: no return statement in function returning non-void [-Wreturn-type] mult(nr);} ^ user.cpp: In function ‘int main()’: user.cpp:28:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("factoriale.in","r",stdin); ^ user.cpp:29:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("factoriale.out","w",stdout); ^ user.cpp:31:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:33:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^