結果

問題 No.1123 Afforestation
ユーザー heno239heno239
提出日時 2020-07-22 23:27:01
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 836 ms / 2,500 ms
コード長 5,318 bytes
コンパイル時間 1,818 ms
コンパイル使用メモリ 126,916 KB
実行使用メモリ 126,108 KB
最終ジャッジ日時 2023-09-05 04:44:30
合計ジャッジ時間 19,417 ms
ジャッジサーバーID
(参考情報)
judge11 / judge15
このコードへのチャレンジ(β)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 8 ms
23,336 KB
testcase_01 AC 8 ms
23,280 KB
testcase_02 AC 8 ms
23,272 KB
testcase_03 AC 9 ms
23,812 KB
testcase_04 AC 21 ms
27,480 KB
testcase_05 AC 158 ms
49,488 KB
testcase_06 AC 676 ms
123,676 KB
testcase_07 AC 8 ms
25,268 KB
testcase_08 AC 8 ms
25,376 KB
testcase_09 AC 8 ms
25,404 KB
testcase_10 AC 9 ms
25,756 KB
testcase_11 AC 16 ms
28,952 KB
testcase_12 AC 77 ms
40,580 KB
testcase_13 AC 823 ms
126,028 KB
testcase_14 AC 9 ms
25,324 KB
testcase_15 AC 8 ms
25,496 KB
testcase_16 AC 8 ms
25,328 KB
testcase_17 AC 9 ms
25,480 KB
testcase_18 AC 10 ms
27,776 KB
testcase_19 AC 24 ms
31,668 KB
testcase_20 AC 211 ms
53,572 KB
testcase_21 AC 836 ms
125,936 KB
testcase_22 AC 807 ms
125,900 KB
testcase_23 AC 834 ms
126,000 KB
testcase_24 AC 816 ms
126,108 KB
testcase_25 AC 764 ms
126,004 KB
testcase_26 AC 8 ms
23,208 KB
testcase_27 AC 8 ms
23,316 KB
testcase_28 AC 8 ms
23,392 KB
testcase_29 AC 8 ms
25,256 KB
testcase_30 AC 8 ms
25,304 KB
testcase_31 AC 8 ms
25,496 KB
testcase_32 AC 8 ms
25,368 KB
testcase_33 AC 8 ms
25,308 KB
testcase_34 AC 10 ms
25,796 KB
testcase_35 AC 10 ms
25,820 KB
testcase_36 AC 8 ms
25,460 KB
testcase_37 AC 8 ms
25,360 KB
testcase_38 AC 9 ms
25,308 KB
testcase_39 AC 10 ms
25,728 KB
testcase_40 AC 10 ms
27,784 KB
testcase_41 AC 10 ms
27,836 KB
testcase_42 AC 16 ms
28,912 KB
testcase_43 AC 27 ms
31,548 KB
testcase_44 AC 46 ms
33,772 KB
testcase_45 AC 46 ms
33,688 KB
testcase_46 AC 52 ms
34,392 KB
testcase_47 AC 52 ms
34,276 KB
testcase_48 AC 9 ms
25,268 KB
testcase_49 AC 8 ms
25,468 KB
testcase_50 AC 10 ms
25,820 KB
testcase_51 AC 10 ms
25,804 KB
testcase_52 AC 8 ms
25,324 KB
testcase_53 AC 8 ms
25,552 KB
testcase_54 AC 8 ms
25,372 KB
testcase_55 AC 10 ms
25,856 KB
testcase_56 AC 11 ms
27,988 KB
testcase_57 AC 11 ms
27,844 KB
testcase_58 AC 16 ms
28,908 KB
testcase_59 AC 26 ms
31,524 KB
testcase_60 AC 44 ms
33,572 KB
testcase_61 AC 45 ms
33,728 KB
testcase_62 AC 53 ms
34,480 KB
testcase_63 AC 52 ms
34,340 KB
testcase_64 AC 8 ms
25,316 KB
testcase_65 AC 8 ms
25,340 KB
testcase_66 AC 8 ms
25,548 KB
testcase_67 AC 9 ms
25,688 KB
testcase_68 AC 11 ms
27,916 KB
testcase_69 AC 13 ms
28,420 KB
testcase_70 AC 16 ms
28,908 KB
testcase_71 AC 26 ms
31,572 KB
testcase_72 AC 8 ms
23,296 KB
testcase_73 AC 8 ms
25,500 KB
testcase_74 AC 8 ms
23,404 KB
testcase_75 AC 8 ms
25,388 KB
testcase_76 AC 8 ms
25,504 KB
testcase_77 AC 7 ms
23,208 KB
testcase_78 AC 8 ms
23,208 KB
testcase_79 AC 7 ms
23,268 KB
testcase_80 AC 8 ms
25,488 KB
testcase_81 AC 8 ms
25,320 KB
testcase_82 AC 8 ms
25,252 KB
testcase_83 AC 8 ms
25,280 KB
testcase_84 AC 427 ms
123,688 KB
testcase_85 AC 644 ms
125,840 KB
testcase_86 AC 8 ms
25,260 KB
testcase_87 AC 8 ms
25,376 KB
testcase_88 AC 430 ms
123,612 KB
testcase_89 AC 422 ms
125,836 KB
testcase_90 AC 9 ms
25,404 KB
testcase_91 AC 8 ms
25,488 KB
testcase_92 AC 8 ms
25,344 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
#include<complex>
#include<numeric>
using namespace std;

//#define int long long
typedef long long ll;

typedef unsigned long long ul;
typedef unsigned int ui;
constexpr ll mod = 1000000007;
const ll INF = mod * mod;
typedef pair<int, int>P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
#define all(v) (v).begin(),(v).end()
typedef pair<ll, ll> LP;
typedef long double ld;
typedef pair<ld, ld> LDP;
const ld eps = 1e-12;
const ld pi = acos(-1.0);

ll mod_pow(ll x, ll n,ll m) {
	ll res = 1;
	while (n) {
		if (n & 1)res = res * x % m;
		x = x * x % m; n >>= 1;
	}
	return res;
}
struct modint {
	ll n;
	modint() :n(0) { ; }
	modint(ll m) :n(m) {
		if (n >= mod)n %= mod;
		else if (n < 0)n = (n % mod + mod) % mod;
	}
	operator int() { return n; }
};
bool operator==(modint a, modint b) { return a.n == b.n; }
modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; }
modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; }
modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; }
modint operator+(modint a, modint b) { return a += b; }
modint operator-(modint a, modint b) { return a -= b; }
modint operator*(modint a, modint b) { return a *= b; }
modint operator^(modint a, int n) {
	if (n == 0)return modint(1);
	modint res = (a * a) ^ (n / 2);
	if (n % 2)res = res * a;
	return res;
}

ll inv(ll a, ll p) {
	return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p);
}
modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }

const int max_n = 1010000;
modint fact[max_n], factinv[max_n];
void init_f() {
	fact[0] = modint(1);
	for (int i = 0; i < max_n - 1; i++) {
		fact[i + 1] = fact[i] * modint(i + 1);
	}
	factinv[max_n - 1] = modint(1) / fact[max_n - 1];
	for (int i = max_n - 2; i >= 0; i--) {
		factinv[i] = factinv[i + 1] * modint(i + 1);
	}
}
modint comb(int a, int b) {
	if (a < 0 || b < 0 || a < b)return 0;
	return fact[a] * factinv[b] * factinv[a - b];
}

#include<cstring>
struct edge { int to, cap, rev; };
vector<edge> G[100000];
bool used[100000];
void add_edge(int from, int to, int cap,int red=0) {
	G[from].push_back(edge{ to, cap-red, (int)G[to].size() });
	G[to].push_back(edge{ from, red, (int)G[from].size() - 1 });
}
int dfs(int v, int t, int f) {
	if (v == t)return f;
	used[v] = true;
	for (int i = 0; i < (int)G[v].size(); i++) {
		edge& e = G[v][i];
		if (!used[e.to] && e.cap > 0) {
			int d = dfs(e.to, t, min(f, e.cap));
			if (d > 0) {
				e.cap -= d;
				G[e.to][e.rev].cap += d;
				return d;
			}
		}
	}
	return 0;
}
int max_flow(int s, int t) {
	int flow = 0;
	for (;;) {
		memset(used, 0, sizeof(used));
		int f = dfs(s, t, mod);
		if (f == 0)return flow;
		flow += f;
	}
}

bool ish[2000][2000];
bool ist[2000][2000];
void solve(){
	int h, w; cin >> h >> w;
	vector<int> a(h), b(w);
	rep(i, h)cin >> a[i];
	rep(j, w)cin >> b[j];
	vector<int> cop = b;

	vector<int> ra = a, rb = b;

	int k; cin >> k;
	rep(i, k) {
		int x, y; cin >> x >> y; x--; y--;
		ish[x][y] = true;
	}
	{
		int sa = 0, sb = 0;
		rep(i, h)sa += a[i];
		rep(j, w)sb += b[j];
		if (sa != sb) {
			cout << ":(\n"; return;
		}
	}
	vector<P> va;
	rep(i, h)va.push_back({ a[i],i });
	sort(all(va), greater<P>());
	for(P p:va) {
		int i = p.second;
		vector<P> vs;
		rep(j, w) {
			vs.push_back({ cop[j],j });
		}
		sort(all(vs), greater<P>());
		rep(j, a[i]) {
			int id = vs[j].second;
			if (cop[id] == 0) {
				cout << ":(\n"; return;
			}
			ist[i][id] = true;
			//cout << "? " << i << " " << id << "\n";
			cop[id]--;
		}
	}

	int tmp = 0;
	rep(i, h)rep(j, w) {
		if (ish[i][j]) {
			if (ist[i][j]) {
				ra[i]--; rb[j]--;
				tmp++;
			}
			else {
				//
			}
		}
		else{
			if (ist[i][j]) {
				add_edge(i, h + j, 1, 1);
			}
			else {
				add_edge(i, h + j, 1, 0);
			}
		}
	}
	//cout << "wow " << tmp << "\n";
	int sta = h + w;
	int goa = sta + 1;
	rep(i, h) {
		add_edge(sta, i, a[i], ra[i]);
	}
	rep(j, w) {
		add_edge(j + h, goa, b[j], rb[j]);
	}
	int f = max_flow(sta, goa);
	if (f != tmp) {
		cout << ":(\n"; return;
	}
	rep(i, h) {
		rep(j, w)ist[i][j] = false;
		for (edge e : G[i]) {
			if(e.to != sta) {
				if (e.cap == 0) {
					//cout << "eee " << i << " " << e.to << "\n";
					ist[i][e.to-h] = true;
				}
			}
		}
	}
	vector<int> ca(h), cb(w);
	rep(i, h) {
		rep(j, w)if (ist[i][j]) {
			ca[i]++; cb[j]++;
		}
	}
	assert(a == ca && b == cb);
	cout << "Yay!\n";
	rep(i, h){
		rep(j, w) {
			if (ish[i][j])cout << "x";
			else {
				if (ist[i][j])cout << "o";
				else cout << ".";
			}
		}
		cout << "\n";
	}
}




signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	//cout << fixed << setprecision(10);
	//init_f();
	//cout << grandy(2, 3, false, false) << "\n";
	//int t; cin >> t; rep(i, t)
	solve();
	return 0;
}
0