結果

問題 No.1370 置換門松列
ユーザー kkktym
提出日時 2021-01-29 23:05:07
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 60 ms / 2,000 ms
コード長 3,713 bytes
コンパイル時間 1,209 ms
コンパイル使用メモリ 109,368 KB
最終ジャッジ日時 2025-01-18 09:45:15
ジャッジサーバーID
(参考情報)
judge3 / judge1
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 * 25
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 <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <utility>
#include <set>
#include <map>
#include <cmath>
#include <queue>
#include <cstdio>
#include <limits>
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
using namespace std;
template<class T>bool chmax(T &a, const T &b) { if(a < b){ a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if(a > b){ a = b; return 1; } return 0; }
template<class T> inline int sz(T &a) { return a.size(); }
using ll = long long; using ld = long double;
using pi = pair<int,int>; using pl = pair<ll,ll>;
using vi = vector<int>; using vvi = vector<vi>;
using vl = vector<ll>; using vvl = vector<vl>;
const int inf = numeric_limits<int>::max();
const ll infll = numeric_limits<ll>::max();
//****************************************
// Graph template
//****************************************
// status of edge
template <typename X>
struct Edge{
int from;
int to;
X cost;
Edge() = default;
Edge(int from, int to, X cost) : from(from), to(to), cost(cost) {}
};
// status of node
template <typename X>
struct Node{
int idx;
vector<Edge<X>> edge;
Node() = default;
explicit Node(int idx) : idx(idx) {}
};
template <typename X>
class Graph{
private:
int n; // number of node
int m; // number of edge
vector<Node<X>> node;
void Init_Node() {
rep(i,n) node.emplace_back(i);
}
public:
explicit Graph(int n) : n(n) {
Init_Node();
}
// edges have no-weight
Graph(int n, int m, vector<int> from, vector<int> to) : n(n), m(m) {
Init_Node();
rep(i,m) {
add_edge(from[i], to[i]);
// add_edge(to[i], from[i]);
}
}
// edges have weight
Graph(int n, int m, vector<int> from, vector<int> to, vector<X> cost) : n(n), m(m) {
Init_Node();
rep(i,m) {
add_edge(from[i], to[i], cost[i]);
add_edge(to[i], from[i], cost[i]);
}
}
void add_edge(int from, int to, X cost = 1) {
node[from].edge.emplace_back(from, to, cost);
}
//
vector<int> Tsort() {
//
vector<int> in(n, 0);
rep(i,n) {
for(auto next: node[i].edge) {
int w = next.to;
in[w]++;
}
}
queue<int> q; //
rep(i,n) {
if(in[i] == 0) q.push(i);
}
vector<int> res;
while( !q.empty() ) {
int v = q.front(); q.pop();
res.push_back(v);
for(auto next: node[v].edge) {
int w = next.to;
in[w]--;
if(in[w] == 0) {
q.push(w);
}
}
}
return res;
}
};
int main()
{
int n,m; cin >> n >> m;
vi a(n);
rep(i,n) {
cin >> a[i];
a[i]--;
}
Graph<int> gp(m);
rep(i,n-1) {
if(i&1) {
gp.add_edge(a[i], a[i+1]);
}
else {
gp.add_edge(a[i+1], a[i]);
}
if(i+2 < n) {
if(a[i] == a[i+1] || a[i+1] == a[i+2] || a[i+2] == a[i]) {
cout << "No" << "\n";
return 0;
}
}
}
vi res = gp.Tsort();
if(sz(res) == m) {
cout << "Yes" << "\n";
vi ans(m);
int id = 1;
for(auto tmp: res) {
ans[tmp] = id++;
}
for(auto tmp: ans) cout << tmp << " ";
cout << "\n";
return 0;
}
Graph<int> gp2(m);
rep(i,n-1) {
if(i&1) {
gp2.add_edge(a[i+1], a[i]);
}
else {
gp2.add_edge(a[i], a[i+1]);
}
}
res = gp2.Tsort();
if(sz(res) == m) {
cout << "Yes" << "\n";
vi ans(m);
int id = 1;
for(auto tmp: res) {
ans[tmp] = id++;
}
for(auto tmp: ans) cout << tmp << " ";
cout << "\n";
return 0;
}
cout << "No" << "\n";
return 0;
}
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