結果

問題 No.1477 Lamps on Graph
ユーザー karinohitokarinohito
提出日時 2024-04-01 11:51:32
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 159 ms / 2,000 ms
コード長 3,401 bytes
コンパイル時間 4,101 ms
コンパイル使用メモリ 272,240 KB
実行使用メモリ 18,496 KB
最終ジャッジ日時 2024-09-30 21:46:51
合計ジャッジ時間 10,255 ms
ジャッジサーバーID
(参考情報)
judge4 / judge1
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 38
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 #
プレゼンテーションモードにする

#include <bits/stdc++.h>
#include<atcoder/all>
using namespace atcoder;
using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vvvvll = vector<vvvll>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vvvb = vector<vvb>;
using vvvvb = vector<vvvb>;
using vvvvvb = vector<vvvvb>;
using vd = vector<double>;
using vvd = vector<vd>;
using vvvd = vector<vvd>;
using vvvvd = vector<vvvd>;
using vvvvvd = vector<vvvvd>;
#define all(A) A.begin(),A.end()
#define rep(i, n) for (ll i = 0; i < (ll) (n); i++)
template<class T>
bool chmax(T& p, T q, bool C = 1) {
if (C == 0 && p == q) {
return 1;
}
if (p < q) {
p = q;
return 1;
}
else {
return 0;
}
}
template<class T>
bool chmin(T& p, T q, bool C = 1) {
if (C == 0 && p == q) {
return 1;
}
if (p > q) {
p = q;
return 1;
}
else {
return 0;
}
}
ll modPow(long long a, long long n, long long p) {
if (n == 0) return 1; // 0
if (n == 1) return a % p;
if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p;
long long t = modPow(a, n / 2, p);
return (t * t) % p;
}
ll gcd(ll(a), ll(b)) {
if (a == 0)return b;
if (b == 0)return a;
ll c = a;
while (a % b != 0) {
c = a % b;
a = b;
b = c;
}
return b;
}
ll sqrtz(ll N) {
ll L = 0;
ll R = sqrt(N) + 10000;
while (abs(R - L) > 1) {
ll mid = (R + L) / 2;
if (mid * mid <= N)L = mid;
else R = mid;
}
return L;
}
using mint = modint998244353;
using vm = vector<mint>;
using vvm = vector<vm>;
using vvvm = vector<vvm>;
vector<mint> fact, factinv, inv, factK;
ll mod = 998244353;
void prenCkModp(ll n) {
//factK.resize(4*n+5);
fact.resize(n + 5);
factinv.resize(n + 5);
inv.resize(n + 5);
fact[0] = fact[1] = 1;
factinv[0] = factinv[1] = 1;
inv[1] = 1;
for (ll i = 2; i < n + 5; i++) {
fact[i] = (fact[i - 1] * i);
inv[i] = (mod - ((inv[mod % i] * (mod / i))));
factinv[i] = (factinv[i - 1] * inv[i]);
}
//factK[0]=1;
//for(ll i=1;i<4*n+5;i++){
// factK[i]=factK[i-1]*mint(K-i+1);
// //K*(K-1)*...*(K-i+1);
//}
}
mint nCk(ll n, ll k) {
if (n < k || k < 0) return 0;
return (fact[n] * ((factinv[k] * factinv[n - k])));
}
//mint nCkK(ll n,ll k){
// if(K<n||K-n<k)return 0;
// mint res=factK[n+k];
// res*=factK[n].inv();
// res*=factinv[k];
// return res;
//}
bool DEB = 1;
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
ll N,M;
cin>>N>>M;
vll A(N);
rep(i,N)cin>>A[i];
scc_graph G(N);
vvll UU(N);
rep(i,M){
ll U,V;
cin>>U>>V;
U--;V--;
if(A[U]>A[V])G.add_edge(V,U),UU[V].push_back(U);
else if(A[V]>A[U])G.add_edge(U,V),UU[U].push_back(V);
}
auto V=G.scc();
ll K;
cin>>K;
vll B(N,0);
rep(k,K){
ll b;
cin>>b;
B[b-1]=1;
}
vll AN;
for(auto v:V){
for(auto m:v){
if(B[m]){
AN.push_back(m);
B[m]=0;
for(auto p:UU[m]){
B[p]=1-B[p];
}
}
}
}
ll Z=AN.size();
cout<<Z<<endl;
rep(i,Z)cout<<AN[i]+1<<endl;
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0