Compilare: user.cpp: In function ‘int main()’: user.cpp:2:115: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 2 has type ‘int*’ [-Wformat=] int v[20];int main(){freopen("sumfact.in","r",stdin);freopen("sumfact.out","w",stdout);int n,i,p=1;scanf("%lld",&n);while(n) {v[++p]=n%p;n/=p;}printf("%d\n",p-1);for(i=2;i<=p;i++)printf("%d\n",v[i]);return 0;} ^ user.cpp:2:137: warning: operation on ‘p’ may be undefined [-Wsequence-point] int v[20];int main(){freopen("sumfact.in","r",stdin);freopen("sumfact.out","w",stdout);int n,i,p=1;scanf("%lld",&n);while(n) {v[++p]=n%p;n/=p;}printf("%d\n",p-1);for(i=2;i<=p;i++)printf("%d\n",v[i]);return 0;} ^ user.cpp:2:53: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] int v[20];int main(){freopen("sumfact.in","r",stdin);freopen("sumfact.out","w",stdout);int n,i,p=1;scanf("%lld",&n);while(n) {v[++p]=n%p;n/=p;}printf("%d\n",p-1);for(i=2;i<=p;i++)printf("%d\n",v[i]);return 0;} ^ user.cpp:2:87: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] int v[20];int main(){freopen("sumfact.in","r",stdin);freopen("sumfact.out","w",stdout);int n,i,p=1;scanf("%lld",&n);while(n) {v[++p]=n%p;n/=p;}printf("%d\n",p-1);for(i=2;i<=p;i++)printf("%d\n",v[i]);return 0;} ^ user.cpp:2:116: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int v[20];int main(){freopen("sumfact.in","r",stdin);freopen("sumfact.out","w",stdout);int n,i,p=1;scanf("%lld",&n);while(n) {v[++p]=n%p;n/=p;}printf("%d\n",p-1);for(i=2;i<=p;i++)printf("%d\n",v[i]);return 0;} ^