#include using namespace std; typedef long long LL; #define CIN_ONLY if(1) struct cww{cww(){ CIN_ONLY{ ios::sync_with_stdio(false);cin.tie(0); } }}star; #define fin "\n" #define FOR(i,bg,ed) for(int i=(bg);i<(ed);i++) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() #define fi first #define se second #define pb push_back #define DEBUG if(0) #define REC(ret, ...) std::function template inline bool chmin(T &l,T r) {bool a=l>r;if(a)l=r;return a;} template inline bool chmax(T &l,T r) {bool a=l istream& operator>>(istream &is,vector &v){ for(auto &it:v)is>>it; return is; } typedef __int128 INT; const INT inf=1e9; const INT INF=1e18; INT getone(INT a,INT b,INT c){ if(c==0)return 0; auto f=[&](INT x){return x*x*x+a*x*x+b*x+c;}; INT ok=-inf,ng=inf; if(f(ok)<0)swap(ok,ng); while(max(ok-ng,ng-ok)>1){ const INT mid=(ok+ng)/2; if(f(mid)<0)ng=mid; else ok=mid; } return ok; } INT gettwo(INT a,INT b){ auto f=[&](INT x){return x*x+a*x+b;}; INT ok=-a/2,ng=inf; if(f(ok)<0)swap(ok,ng); while(max(ok-ng,ng-ok)>1){ const INT mid=(ok+ng)/2; if(f(mid)<0)ng=mid; else ok=mid; } return ok; } int main(){ LL a,b,c; //xxx+Axx+Bx+C==0 cin>>a>>b>>c; LL A(a),B(b),C(c); vector res; res.pb((LL)getone(A,B,C)); //(x-res[0])(xx+Ax+B)==0 A+=res[0]; B+=A*res[0]; //x=(-A+-sqrt(AA-4B))/2 { res.pb((LL)gettwo(A,B)); res.pb((LL)(B/res[1])); } sort(ALL(res)); cout<