#include #include // url #define rep(i,a,b) for(int i=a;i=a;i--) #define all(x) (x).begin(),(x).end() #define pb(x) push_back(x); templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b; // using mint = static_modint<1000000007>; const ll mod=998244353; //const ll mod=1e9+7; int dx[4]={1,0,-1,0}; int dy[4]={0,1,0,-1}; const string zton="0123456789"; const string atoz="abcdefghijklmnopqrstuvwxyz"; const string ATOZ="ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const ll inf=(1ll<<60); // const int inf=(1<<30); lld dist(lld x1,lld x2,lld y1,lld y2){ lld res=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2); res=sqrt(abs(res)); return res; } lld arg(lld x,lld y){ const lld eps=1e-8; lld res=0; if(abs(x)+abs(y)<=eps)return 0.0; else if(abs(x)<=eps){ if(y>=0.0)return (M_PI/2); else return (M_PI/2+M_PI); } else if(abs(y)<=eps){ if(x>=0.0)return 0.0; else return M_PI; } res=atan2(abs(y),abs(x)); if(x<=0&&y>=0)res=(M_PI-res); else if(x<=0&&y<=0)res+=(M_PI); else if(x>=0&&y<=0)res=(M_PI*2-res); return res; } ll gcd(ll a,ll b){ if(a==0||b==0)return a+b; ll r; r=a%b; if(r==0){ return b; } else{ return gcd(b,r); } } typedef pair P; void solve(int N,int M,int K){ vector ans; if(K==0){ if(N==0){ rep(i,0,M){ ans.pb(1); } } else if(M==0){ rep(i,0,N){ ans.pb(0); } } else{ cout << -1 << endl; return; } } else if(K==1){ if(N==0||M==0){ cout << -1 << endl; return; } else{ rep(i,0,N){ ans.pb(0); } rep(i,0,M){ ans.pb(1); } } } else{ if(N==M){ if(N*2-1M){ if(M*2>N>>M>>K; solve(N,M,K); // rep(i,0,13){ // cout << 6 << " " << 4 << " " << i << " : "; // solve(6,4,i); // } }