結果
| 問題 |
No.3093 Safe Infection
|
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2025-04-06 16:08:00 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 169 ms / 2,000 ms |
| コード長 | 2,811 bytes |
| コンパイル時間 | 4,106 ms |
| コンパイル使用メモリ | 259,576 KB |
| 実行使用メモリ | 20,736 KB |
| 最終ジャッジ日時 | 2025-04-06 16:08:13 |
| 合計ジャッジ時間 | 10,647 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 70 |
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef pair<int, int> P;
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;}
template <int m> istream& operator>>(istream& is, static_modint<m>& a) {long long x; is >> x; a = x; return is;}
template <int m> istream& operator>>(istream& is, dynamic_modint<m>& a) {long long x; is >> x; a = x; return is;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}
template<typename T> ostream& operator<<(ostream& os, const set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename S, auto op, auto e> ostream& operator<<(ostream& os, const atcoder::segtree<S, op, e>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename S, auto op, auto e, typename F, auto mapping, auto composition, auto id> ostream& operator<<(ostream& os, const atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}
int main(){
int n, m, k;
cin >> n >> m >> k;
vector<int> a(n);
cin >> a;
vector<vector<int>> G(n);
rep(i, m){
int u, v;
cin >> u >> v;
u--; v--;
G[u].push_back(v);
G[v].push_back(u);
}
atcoder::dsu uf(n);
vector<int> activated(n);
string ans = "Yes\n";
map<int, vector<int>> event;
rep(i, n) event[a[i]].push_back(i);
for(auto [lev, vec] : event){
for(auto u : vec){
activated[u] = 1;
for(auto v : G[u]){
if(activated[v]){
if(uf.same(u, v)) continue;
int lu = uf.leader(u);
int lv = uf.leader(v);
if(a[lu] - a[lv] > k) ans = "No\n";
int lw = uf.merge(lu, lv);
a[lw] = lev;
}
}
}
}
cout << ans;
return 0;
}