#include using namespace std; #if __has_include() #include using namespace atcoder; #endif using ll = int; using ld = long double; using ull = unsigned long long; #define endl "\n" typedef pair Pii; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i)) #define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(x) begin(x), end(x) #define PB push_back #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(s) (s).begin(),(s).end() #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define rever(vec) reverse(vec.begin(), vec.end()) #define sor(vec) sort(vec.begin(), vec.end()) #define fi first #define se second #define pb push_back #define P pair #define PQminll priority_queue, greater> #define PQmaxll priority_queue,less> #define PQminP priority_queue, greater

> #define PQmaxP priority_queue,less

> #define NP next_permutation typedef string::const_iterator State; class ParseError {}; //const ll mod = 1000000009; //const ll mod = 998244353; const ll mod = 1000000007; const ll inf = 4100000000000000000ll; const ld eps = ld(0.00000000000001); //static const long double pi = 3.141592653589793; templatevoid vcin(vector &n){for(int i=0;i>n[i];} templatevoid vcin(vector &n,vector &m){for(int i=0;i>n[i]>>m[i];} templatevoid vcout(vector &n){for(int i=0;ivoid vcin(vector> &n){for(int i=0;i>n[i][j];}}} templatevoid vcout(vector> &n){for(int i=0;ivoid print(T a){cout<auto min(const T& a){ return *min_element(all(a)); } templateauto max(const T& a){ return *max_element(all(a)); } templatevoid print(pair a){cout<bool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b void ifmin(T t,T u){if(t>u){cout<<-1< void ifmax(T t,T u){if(t>u){cout<<-1<>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<>= 1; } return ret; } vector divisor(ll x){ vector ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; } ll pop(ll x){return __builtin_popcountll(x);} ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;} P hyou(P a){ll x=fastgcd(abs(a.fi),abs(a.se));a.fi/=x;a.se/=x;if(a.se<0){a.fi*=-1;a.se*=-1;}return a;} P Pplus(P a,P b){ return hyou({a.fi*b.se+b.fi*a.se,a.se*b.se});} P Ptimes(P a,ll b){ return hyou({a.fi*b,a.se});} P Ptimes(P a,P b){ return hyou({a.fi*b.fi,a.se*b.se});} P Pminus(P a,P b){ return hyou({a.fi*b.se-b.fi*a.se,a.se*b.se});} P Pgyaku(P a){ return hyou({a.se,a.fi});} void cincout(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cout<< fixed << setprecision(10); } const int n=500; struct HopcroftKarp { vector< vector< int > > graph; vector< int > dist, match; vector< bool > used, vv; HopcroftKarp(int n, int m) : graph(n), match(m, -1), used(n) {} void add_edge(int u, int v) { graph[u].emplace_back(v); } void bfs() { dist.assign(graph.size(), -1); queue< int > que; for(int i = 0; i < graph.size(); i++) { if(!used[i]) { que.emplace(i); dist[i] = 0; } } while(!que.empty()) { int a = que.front(); que.pop(); for(auto &b : graph[a]) { int c = match[b]; if(c >= 0 && dist[c] == -1) { dist[c] = dist[a] + 1; que.emplace(c); } } } } bool dfs(int a) { vv[a] = true; for(auto &b : graph[a]) { int c = match[b]; if(c < 0 || (!vv[c] && dist[c] == dist[a] + 1 && dfs(c))) { match[b] = a; used[a] = true; return (true); } } return (false); } int bipartite_matching() { int ret = 0; while(true) { bfs(); vv.assign(graph.size(), false); int flow = 0; for(int i = 0; i < graph.size(); i++) { if(!used[i] && dfs(i)) ++flow; } if(flow == 0) return (ret); ret += flow; } } void output() { for(int i = 0; i < match.size(); i++) { if(~match[i]) { cout << match[i] << "-" << i << endl; } } } }; int main() { cincout(); ll l; cin>>l>>l>>l; vector a(l),b(l); for(int i=0;i>a[i]>>b[i]; a[i]--; b[i]--; } vector ans(l,false); mcf_graph g(1002); for(int i=0;i