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 21:51:52 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 5,967 bytes |
| コンパイル時間 | 2,256 ms |
| コンパイル使用メモリ | 155,836 KB |
| 最終ジャッジ日時 | 2025-01-17 19:12:18 |
|
ジャッジサーバーID （参考情報） |
judge2 / judge2 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 5 |
| other | AC * 3 TLE * 11 |
ソースコード
#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));
rep1(i, n-1) {
add_edge(i, i - 1, mod, 0);
add_edge(i - 1 + n, i + n, mod, 0);
}
rep(i, n) {
add_edge(i, i + 2 * n, mod, vb[i]);
add_edge(i + n, i + 2 * n, mod, 0);
}
int sta = 4 * n, goa = 4 * n + 1;
rep(i, n) {
add_edge(i + 2 * n, goa, 1, 0);
}
rep(i, n) {
int id = i + 3 * n;
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)
if (le - 1 >= 0) {
add_edge(id, le - 1, 1, 0);
}
ri = upper_bound(all(vb), max(a[i], c[i])) - vb.begin();
//[ri,n)
if (ri < n) {
add_edge(id, ri + n, 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;
}