Compilare: user.cpp:2:111: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] using namespace std;ifstream fin("trandafiri.in");ofstream fout("trandafiri.out");uint32_t n,i,v[100001];main(){fin>>n;for(int i=0;i<n;++i)fin>>v[i];sort(v,v+n);fout<<v[n-1]-v[0]+n-1;} ^ user.cpp: In function ‘int main()’: user.cpp:2:134: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] using namespace std;ifstream fin("trandafiri.in");ofstream fout("trandafiri.out");uint32_t n,i,v[100001];main(){fin>>n;for(int i=0;i<n;++i)fin>>v[i];sort(v,v+n);fout<<v[n-1]-v[0]+n-1;} ^