#include #include #include #include #include #include #include #include #include #include #include #include //#include #include #include using namespace std; typedef long long int llint; #define mp make_pair #define mt make_tuple #define pub push_back #define puf push_front #define pob pop_back #define pof pop_front #define fir first #define sec second #define res resize #define ins insert #define era erase const int mod=1000000007; const int big=1e9+10; const long double pai=3.141592653589793238462643383279; template void mineq(T& a,U b){if(a>b){a=b;}} template void maxeq(T& a,U b){if(ab int main(void){ llint a,b,c;cin>>a>>b>>c; //にぶたんー>二次ー>えい llint ue=mod,st=-mod,ans; while(-1){ llint gen=(ue+st)/2; long double now=gen+a; now*=gen;now+=b; now*=gen;now+=c; if(now>0){ue=gen;} if(now<0){st=gen;} if(now==0){ans=gen;break;} } llint p,q;//x^2+xp+q=0 p=a+ans; if(ans!=0){q=-c/ans;}else{q=b;} vector kotae;kotae.pub(ans); kotae.pub((-p+sqrt(p*p-4*q))/2); kotae.pub((-p-sqrt(p*p-4*q))/2); sort(kotae.begin(),kotae.end()); cout<