Eroare de compilare: user.cpp:3:71: error: size of array ‘r’ has non-integral type ‘double’ std::ifstream f("invsc.in");std::ofstream g("invsc.out");int n,i,r[3e5],v[3e5];main(){f>>n;t(n)f>>v[i],r[v[i]]++;t(n)r[i]+=r[i-1];t(n)g<<r[v[i]]--<<'\n';} ^ user.cpp:3:78: error: size of array ‘v’ has non-integral type ‘double’ std::ifstream f("invsc.in");std::ofstream g("invsc.out");int n,i,r[3e5],v[3e5];main(){f>>n;t(n)f>>v[i],r[v[i]]++;t(n)r[i]+=r[i-1];t(n)g<<r[v[i]]--<<'\n';} ^ user.cpp:3:85: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] std::ifstream f("invsc.in");std::ofstream g("invsc.out");int n,i,r[3e5],v[3e5];main(){f>>n;t(n)f>>v[i],r[v[i]]++;t(n)r[i]+=r[i-1];t(n)g<<r[v[i]]--<<'\n';} ^