Compilare: user.cpp: In function ‘int power(int, int)’: user.cpp:28:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,sol=1,a=x; ^ user.cpp: In function ‘int main()’: user.cpp:64:35: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] printf("%d %d\n",nrdiv,sum); ^ user.cpp:39:13: warning: unused variable ‘sq’ [-Wunused-variable] int i,j,sq,d,ok,nrdiv,p1,p2; ^ user.cpp:39:18: warning: unused variable ‘ok’ [-Wunused-variable] int i,j,sq,d,ok,nrdiv,p1,p2; ^ user.cpp:41:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssnd.in","r",stdin); ^ user.cpp:42:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssnd.out","w",stdout); ^ user.cpp:43:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:47:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&nr); ^