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  1. #pragma GCC optimize ("O3")
  2. #pragma GCC target ("sse4")
  3.  
  4. #include <bits/stdc++.h>
  5.  
  6. using namespace std;
  7.  
  8. typedef double db;
  9. typedef long long ll;
  10. typedef long double ld;
  11. typedef string str;
  12.  
  13. typedef pair<int, int> pi;
  14. typedef pair<ll,ll> pl;
  15. typedef pair<ld,ld> pd;
  16. typedef complex<ld> cd;
  17.  
  18. typedef vector<int> vi;
  19. typedef vector<ll> vl;
  20. typedef vector<ld> vd;
  21. typedef vector<str> vs;
  22. typedef vector<pi> vpi;
  23. typedef vector<pl> vpl;
  24. typedef vector<cd> vcd;
  25.  
  26. #define FOR(i,a,b) for (int i = (a); i < (b); i++)
  27. #define F0R(i,a) FOR(i,0,a)
  28. #define ROF(i,a,b) for (int i = (b)-1; i >= (a); i--)
  29. #define R0F(i,a) ROF(i,0,a)
  30. #define trav(a,x) for (auto& a : x)
  31.  
  32. #define mp make_pair
  33. #define pb push_back
  34. #define eb emplace_back
  35. #define f first
  36. #define s second
  37. #define lb lower_bound
  38. #define ub upper_bound
  39.  
  40. #define sz(x) (int)x.size()
  41. #define all(x) begin(x), end(x)
  42. #define rall(x) rbegin(x), rend(x)
  43. #define rsz resize
  44. #define ins insert
  45.  
  46. const int MOD = 1e9+7; // 998244353 = (119<<23)+1
  47. const ll INF = 1e18;
  48. const int MX = 2e5+5;
  49. const ld PI = 4*atan((ld)1);
  50.  
  51. template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
  52. template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
  53.  
  54. mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
  55.  
  56. #include <ext/pb_ds/tree_policy.hpp>
  57. #include <ext/pb_ds/assoc_container.hpp>
  58. #include <ext/rope>
  59.  
  60. using namespace __gnu_pbds;
  61. using namespace __gnu_cxx;
  62.  
  63. template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
  64.  
  65. #define ook order_of_key
  66. #define fbo find_by_order
  67.  
  68. namespace input {
  69.     template<class T> void re(complex<T>& x);
  70.     template<class T1, class T2> void re(pair<T1,T2>& p);
  71.     template<class T> void re(vector<T>& a);
  72.     template<class T, size_t SZ> void re(array<T,SZ>& a);
  73.  
  74.     template<class T> void re(T& x) { cin >> x; }
  75.     void re(double& x) { string t; re(t); x = stod(t); }
  76.     void re(ld& x) { string t; re(t); x = stold(t); }
  77.     template<class T, class... Ts> void re(T& t, Ts&... ts) { 
  78.         re(t); re(ts...); 
  79.     }
  80.  
  81.     template<class T> void re(complex<T>& x) { T a,b; re(a,b); x = cd(a,b); }
  82.     template<class T1, class T2> void re(pair<T1,T2>& p) { re(p.f,p.s); }
  83.     template<class T> void re(vector<T>& a) { F0R(i,sz(a)) re(a[i]); }
  84.     template<class T, size_t SZ> void re(array<T,SZ>& a) { F0R(i,SZ) re(a[i]); }
  85. }
  86.  
  87. using namespace input;
  88.  
  89. namespace output {
  90.     void pr(int x) { cout << x; }
  91.     void pr(long x) { cout << x; }
  92.     void pr(ll x) { cout << x; }
  93.     void pr(unsigned x) { cout << x; }
  94.     void pr(unsigned long x) { cout << x; }
  95.     void pr(unsigned long long x) { cout << x; }
  96.     void pr(float x) { cout << x; }
  97.     void pr(double x) { cout << x; }
  98.     void pr(ld x) { cout << x; }
  99.     void pr(char x) { cout << x; }
  100.     void pr(const char* x) { cout << x; }
  101.     void pr(const string& x) { cout << x; }
  102.     void pr(bool x) { pr(x ? "true" : "false"); }
  103.     template<class T> void pr(const complex<T>& x) { cout << x; }
  104.  
  105.     template<class T1, class T2> void pr(const pair<T1,T2>& x);
  106.     template<class T> void pr(const T& x);
  107.  
  108.     template<class T, class... Ts> void pr(const T& t, const Ts&... ts) { 
  109.         pr(t); pr(ts...); 
  110.     }
  111.     template<class T1, class T2> void pr(const pair<T1,T2>& x) { 
  112.         pr("{",x.f,", ",x.s,"}"); 
  113.     }
  114.     template<class T> void pr(const T& x) { 
  115.         pr("{"); // const iterator needed for vector<bool>
  116.         bool fst = 1; for (const auto& a: x) pr(!fst?", ":"",a), fst = 0; 
  117.         pr("}");
  118.     }
  119.  
  120.     void ps() { pr("\n"); } // print w/ spaces
  121.     template<class T, class... Ts> void ps(const T& t, const Ts&... ts) { 
  122.         pr(t); if (sizeof...(ts)) pr(" "); ps(ts...); 
  123.     }
  124.  
  125.     void pc() { pr("]\n"); } // debug w/ commas
  126.     template<class T, class... Ts> void pc(const T& t, const Ts&... ts) { 
  127.         pr(t); if (sizeof...(ts)) pr(", "); pc(ts...); 
  128.     }
  129.     #define dbg(x...) pr("[",#x,"] = ["), pc(x);
  130. }
  131.  
  132. using namespace output;
  133.  
  134. namespace io {
  135.     void setIn(string s) { freopen(s.c_str(),"r",stdin); }
  136.     void setOut(string s) { freopen(s.c_str(),"w",stdout); }
  137.     void setIO(string s = "") {
  138.         cin.sync_with_stdio(0); cin.tie(0); // fast I/O
  139.         cin.exceptions(cin.failbit); // ex. throws exception when you try to read letter into int
  140.         if (sz(s)) { setIn(s+".in"), setOut(s+".out"); } // for USACO
  141.     }
  142. }
  143.  
  144. using namespace io;
  145.  
  146. template<class T> T invGeneral(T a, T b) {
  147. 	a %= b; if (a == 0) return b == 1 ? 0 : -1;
  148. 	T x = invGeneral(b,a); 
  149. 	return x == -1 ? -1 : ((1-(ll)b*x)/a+b)%b;
  150. }
  151.  
  152. template<class T> struct modular {
  153. 	T val; 
  154. 	explicit operator T() const { return val; }
  155. 	modular() { val = 0; }
  156. 	modular(const ll& v) { 
  157. 		val = (-MOD <= v && v <= MOD) ? v : v % MOD;
  158. 		if (val < 0) val += MOD;
  159. 	}
  160.  
  161. 	// friend ostream& operator<<(ostream& os, const modular& a) { return os << a.val; }
  162. 	friend void pr(const modular& a) { pr(a.val); }
  163. 	friend void re(modular& a) { ll x; re(x); a = modular(x); }
  164.  
  165. 	friend bool operator==(const modular& a, const modular& b) { return a.val == b.val; }
  166. 	friend bool operator!=(const modular& a, const modular& b) { return !(a == b); }
  167. 	friend bool operator<(const modular& a, const modular& b) { return a.val < b.val; }
  168.  
  169. 	modular operator-() const { return modular(-val); }
  170. 	modular& operator+=(const modular& m) { if ((val += m.val) >= MOD) val -= MOD; return *this; }
  171. 	modular& operator-=(const modular& m) { if ((val -= m.val) < 0) val += MOD; return *this; }
  172. 	modular& operator*=(const modular& m) { val = (ll)val*m.val%MOD; return *this; }
  173. 	friend modular pow(modular a, ll p) {
  174. 		modular ans = 1; for (; p; p /= 2, a *= a) if (p&1) ans *= a;
  175. 		return ans;
  176. 	}
  177. 	friend modular inv(const modular& a) { 
  178. 		auto i = invGeneral(a.val,MOD); assert(i != -1);
  179. 		return i;
  180. 	} // equivalent to return exp(b,MOD-2) if MOD is prime
  181. 	modular& operator/=(const modular& m) { return (*this) *= inv(m); }
  182.  
  183. 	friend modular operator+(modular a, const modular& b) { return a += b; }
  184. 	friend modular operator-(modular a, const modular& b) { return a -= b; }
  185. 	friend modular operator*(modular a, const modular& b) { return a *= b; }
  186.  
  187. 	friend modular operator/(modular a, const modular& b) { return a /= b; }
  188. };
  189.  
  190. typedef modular<int> mi;
  191. typedef pair<mi,mi> pmi;
  192. typedef vector<mi> vmi;
  193. typedef vector<pmi> vpmi;
  194.  
  195.  
  196. int n,m,x,y, ans[605];
  197.  
  198. template<int SZ> struct Dinic {
  199. 	typedef ll F; // flow type
  200. 	struct Edge { int to, rev; F flow, cap; int id; };
  201.  
  202. 	int N,s,t;
  203. 	vector<Edge> adj[SZ];
  204. 	typename vector<Edge>::iterator cur[SZ];
  205. 	void addEdge(int u, int v, F cap, int id) {
  206. 		assert(cap >= 0); // don't try smth dumb
  207. 		Edge a{v, sz(adj[v]), 0, cap, id}, b{u, sz(adj[u]), 0, 0, 0};
  208. 		adj[u].pb(a), adj[v].pb(b);
  209. 	}
  210.  
  211. 	int level[SZ];
  212. 	bool bfs() { // level = shortest distance from source
  213. 		// after computing flow, edges {u,v} such that level[u] \neq -1, level[v] = -1 are part of min cut
  214. 		F0R(i,N) level[i] = -1, cur[i] = begin(adj[i]);
  215. 		queue<int> q({s}); level[s] = 0; 
  216. 		while (sz(q)) {
  217. 			int u = q.front(); q.pop();
  218. 			trav(e,adj[u]) if (level[e.to] < 0 && e.flow < e.cap) 
  219. 				q.push(e.to), level[e.to] = level[u]+1;
  220. 		}
  221. 		return level[t] >= 0;
  222. 	}
  223. 	F sendFlow(int v, F flow) {
  224. 		if (v == t) return flow;
  225. 		for (; cur[v] != end(adj[v]); cur[v]++) {
  226. 			Edge& e = *cur[v];
  227. 			if (level[e.to] != level[v]+1 || e.flow == e.cap) continue;
  228. 			auto df = sendFlow(e.to,min(flow,e.cap-e.flow));
  229. 			if (df) { // saturated at least one edge
  230. 				e.flow += df; adj[e.to][e.rev].flow -= df;
  231. 				return df;
  232. 			}
  233. 		}
  234. 		return 0;
  235. 	}
  236. 	F maxFlow(int _N, int _s, int _t) {
  237. 		N = _N, s = _s, t = _t; if (s == t) return -1;
  238. 		F tot = 0;
  239. 		while (bfs()) while (auto df = sendFlow(s,numeric_limits<F>::max())) tot += df;
  240. 		return tot;
  241. 	}
  242. 	void getPath(int label) {
  243. 		vi pre(N,-1);
  244. 		vector<Edge*> stor(N);
  245. 		queue<int> q; q.push(0);
  246. 		while (sz(q)) {
  247. 			auto a = q.front(); q.pop();
  248. 			trav(t,adj[a]) if (t.flow > 0 && pre[t.to] == -1) {
  249. 				pre[t.to] = a; stor[t.to] = &t;
  250. 				q.push(t.to);
  251. 			}
  252. 		}
  253. 		assert(pre[N-1] != -1);
  254. 		int cur = N-1;
  255. 		while (cur) {
  256. 			stor[cur]->flow --;
  257. 			if (stor[cur]->id) ans[stor[cur]->id] = label;
  258. 			cur = pre[cur];
  259. 		}
  260. 	}
  261. };
  262.  
  263. vpi lec[1205], sem[1205];
  264.  
  265. void solve() {
  266. 	re(n,m,x,y);
  267. 	vpi a(n), b(m); re(a,b);
  268. 	map<int,int> z;
  269. 	trav(t,a) z[t.f] = z[t.s] = 0;
  270. 	trav(t,b) z[t.f] = z[t.s] = 0;
  271. 	FOR(i,1,sz(z)+1) lec[i].clear(), sem[i].clear();
  272. 	int co = 0;
  273. 	trav(t,z) t.s = ++co;
  274. 	F0R(i,n) { auto t = a[i]; lec[z[t.f]].pb({z[t.s],i+1}); }
  275. 	F0R(i,m) { auto t = b[i]; sem[z[t.f]].pb({z[t.s],n+i+1}); }
  276. 	// have X at some point, Y at some point
  277. 	// at least Y-(x-X) must be dealt with
  278. 	// so at most min(y,y-(Y-(x-X))) not doing anything
  279. 	priority_queue<int,vi,greater<int>> LEC, SEM;
  280. 	int X = 0, Y = 0;
  281. 	Dinic<1205> D;
  282. 	F0R(i,sz(z)+1) {
  283. 		X += sz(lec[i]); Y += sz(sem[i]);
  284. 		trav(t,lec[i]) LEC.push(t.f);
  285. 		trav(t,sem[i]) {
  286. 			SEM.push(t.f);
  287. 			D.addEdge(i,t.f,1,t.s);
  288. 		}
  289. 		while (sz(LEC) && LEC.top() == i) { X --; LEC.pop(); }
  290. 		while (sz(SEM) && SEM.top() == i) { Y --; SEM.pop(); }
  291. 		if (X > x || X+Y > x+y) {
  292. 			ps("NO");
  293. 			return;
  294. 		}
  295. 		D.addEdge(i,i+1,min(y,x+y-X-Y),0);
  296. 	}
  297. 	assert(X == 0 && Y == 0);
  298. 	if (D.maxFlow(sz(z)+2,0,sz(z)+1) != y) { ps("NO"); return; }
  299. 	FOR(i,1,n+m+1) ans[i] = 0;
  300. 	FOR(i,x+1,x+y+1) D.getPath(i);
  301. 	vector<pair<pi,int>> dumb; vi hd;
  302. 	FOR(i,1,n+m+1) if (!ans[i]) {
  303. 		if (i <= n) dumb.pb({a[i-1],i});
  304. 		else dumb.pb({b[i-n-1],i});
  305. 	}
  306. 	FOR(i,1,x+1) hd.pb(i);
  307. 	sort(all(dumb));
  308. 	priority_queue<pi,vpi,greater<pi>> lef;
  309. 	trav(t,dumb) {
  310. 		while (sz(lef) && lef.top().f <= t.f.f) {
  311. 			hd.pb(lef.top().s);
  312. 			lef.pop();
  313. 		}
  314. 		assert(sz(hd));
  315. 		ans[t.s] = hd.back();
  316. 		lef.push({t.f.s,hd.back()}); hd.pop_back();
  317. 	}
  318. 	ps("YES");
  319. 	FOR(i,1,n+m+1) pr(ans[i],' ');
  320. 	ps();
  321. }
  322.  
  323. int main() {
  324. 	setIO(); int t; re(t);
  325. 	F0R(i,t) solve();
  326. 	// you should actually read the stuff at the bottom
  327. }
  328.  
  329. /* stuff you should look for
  330. 	* int overflow, array bounds
  331. 	* special cases (n=1?), set tle
  332. 	* do smth instead of nothing and stay organized
  333. */
  334.  
Success #stdin #stdout 0s 4380KB
comments (?)
stdin 
3
1 2 1 1
3 4
2 4
1 3
3 4 2 3
5 7
1 3
1 7
4 8
2 5
1 6
2 8
0 1 1 0
1 1000000
stdout 
YES
1 2 1 
NO
YES
1
https://ideone.com/BtjIqu
Projectors (Public)
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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