結果

問題 No.1341 真ん中を入れ替えて門松列
コンテスト
ユーザー heno239
提出日時 2021-01-15 21:48:06
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
TLE  
実行時間 -
コード長 6,718 bytes
コンパイル時間 2,294 ms
コンパイル使用メモリ 158,080 KB
最終ジャッジ日時 2025-01-17 19:03:49
ジャッジサーバーID
（参考情報） 		judge2 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 5
other AC * 3 TLE * 11
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 # 

#pragma GCC optimize("Ofast")
//#pragma GCC target ("sse4")

#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<unordered_set>
#include<utility>
#include<cassert>
#include<complex>
#include<numeric>
#include<array>
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 double ld;
typedef pair<ld, ld> LDP;
const ld eps = 1e-12;
const ld pi = acosl(-1.0);

ll mod_pow(ll x, ll n, ll m = mod) {
	if (n < 0) {
		ll res = mod_pow(x, -n, m);
		return mod_pow(res, m - 2, m);
	}
	if (abs(x) >= m)x %= m;
	if (x < 0)x += 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, ll 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)); }
modint operator/=(modint& a, modint b) { a = a / b; return a; }
//const int max_n = 1 << 18;
//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];
//}
//modint combP(int a, int b) {
//	if (a < 0 || b < 0 || a < b)return 0;
//	return fact[a] * factinv[a - b];
//}

int max_n;
const int mn = 100000;
struct edge {
	int to, cap; ll cost; int rev;
};
vector<edge> G[mn];
P par[mn];
ll dist[mn];
void add_edge(int from, int to, int cap, ll cost) {
	G[from].push_back({ to,cap,cost,(int)G[to].size() });
	G[to].push_back({ from,0,-cost,(int)G[from].size() - 1 });
	max_n = max({ max_n, from + 1, to + 1 });
}
void add_edge2(int from, int to, int cap, ll cost) {
	G[from].push_back({ to,cap,cost,-1 });
	//G[to].push_back({ from,0,-cost,(int)G[from].size() - 1 });
	max_n = max({ max_n, from + 1, to + 1 });
}
LP minimum_road(int s, int t) {
	fill(par, par + max_n, P{ -1,-1 });
	fill(dist, dist + max_n, INF);
	dist[s] = 0;
	priority_queue<LP, vector<LP>, greater<LP>> q; q.push({ 0,s });
	while (!q.empty()) {
		LP p = q.top(); q.pop();
		int id = p.second;
		if (id == t)continue;
		if (p.first > dist[id])continue;
		rep(j, G[id].size()) {
			if (G[id][j].cap > 0) {
				int to = G[id][j].to;
				ll nd = p.first + G[id][j].cost;
				if (nd < dist[to]) {
					dist[to] = nd;
					par[to] = { id,j };
					q.push({ dist[to],to });
				}
			}
		}
	}
	int cur = t;
	int f = mod;
	while (cur != s) {
		int p = par[cur].first, j = par[cur].second;
		if (p < 0)return { -1,-1 };
		f = min(f, G[p][j].cap);
		cur = p;
	}
	cur = t;
	while (cur != s) {
		int p = par[cur].first, j = par[cur].second;
		if (p < 0)return { -1,-1 };
		G[p][j].cap -= f;
		if (G[p][j].rev >= 0) {
			G[cur][G[p][j].rev].cap += f;
		}
		cur = p;
	}
	return { dist[t],f };
}
ll minimum_cost_flow(int s, int t, int k) {
	ll ret = 0;
	rep(i, k) {
		LP z = minimum_road(s, t);
		if (z.first < 0)return -1;
		if (k - i <= z.second) {
			ret += z.first * (k - i); break;
		}
		i += z.second - 1;
		ret += z.first * z.second;
	}
	return ret;
}



void solve() {
	int n; ll m; cin >> n >> m;
	vector<int> a(n), b(n), c(n);
	vector<int> vb;
	ll sum = 0;
	rep(i, n) {
		cin >> a[i] >> b[i] >> c[i];
		vb.push_back(b[i]);
		sum += b[i] + max(a[i], c[i]);
	}
	sort(all(vb));
	int sz = 1; while (sz < n)sz *= 2;
	int ssz = sz - 1 + n;
	rep(i, sz - 1) {
		rep(j, 2) {
			int to = 2 * i + 1+j;
			if (to < sz - 1 + n) {
				add_edge(i, to, mod, 0);
				add_edge(i + ssz, to + ssz, mod, 0);
			}
		}
	}
	int sta = 2 * n + 2 * ssz;
	int goa = 2 * n + 2 * ssz + 1;
	rep(i, n) {
		add_edge(i+sz-1, i + 2 * ssz, mod, vb[i]);
		add_edge(i+sz-1 + ssz, i + 2 * ssz, mod, 0);
		add_edge(i + 2 * ssz, goa, 1,0);
	}

	struct ste {
		int k, l, r;
	};
	auto resol = [&](int a, int b)->vector<int> {
		vector<int> res;
		vector<ste> v; v.push_back({ 0,0,sz });
		while (!v.empty()) {
			ste s = v.back(); v.pop_back();
			if (b <= s.l || s.r <= a)continue;
			if (a <= s.l && s.r <= b) {
				res.push_back(s.k);
			}
			else {
				v.push_back({ 2 * s.k + 1,s.l,(s.l + s.r) / 2 });
				v.push_back({ 2 * s.k + 2,(s.l + s.r) / 2,s.r });
			}
		}
		return res;
	};
	rep(i, n) {
		int id = i + n + 2 * ssz;
		add_edge(sta, id, 1, 0);
		int le, ri;
		le = lower_bound(all(vb), min(a[i], c[i])) - vb.begin();
		//cout << "?? " << le << "\n";
		//[0,le)
		vector<int> seg = resol(0,le);
		for (int k : seg) {
			
			//cout << i << " " << k << "\n";
			add_edge(id, k, 1, 0);
		}
		ri = upper_bound(all(vb), max(a[i], c[i])) - vb.begin();
		//[ri,n)
		seg = resol(ri, n);
		for (int k : seg) {
			//cout <<"? "<< i << " " << k << "\n";
			add_edge(id, k + ssz, 1, max(a[i], c[i]));
		}
	}
	ll ma = minimum_cost_flow(sta, goa, n);
	if (ma < 0) {
		cout << "NO\n";
	}
	else {
		cout << "YES\n";
		ma = sum - ma;
		if (ma >= m) {
			cout << "KADOMATSU!" << "\n";
		}
		else {
			cout << "NO\n";
		}
	}
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	//cout << fixed << setprecision(15);
	//init_f();
	//init();
	//expr();
	//int t; cin >> t; rep(i,t)
	solve();
	return 0;
}
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