Compilare: user.cpp: In function ‘int impart(int*, int*, int)’: user.cpp:12:23: warning: no return statement in function returning non-void [-Wreturn-type] a[++a[0]]=t%10,t=t/10;} ^ user.cpp: In function ‘int adun(int*, int*)’: user.cpp:33:8: warning: no return statement in function returning non-void [-Wreturn-type] a[0]--;} ^ user.cpp: In function ‘int main()’: user.cpp:35:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sqrt.in","r",stdin); ^ user.cpp:36:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sqrt.out","w",stdout); ^ user.cpp:38:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&k); ^