結果
| 問題 |
No.1051 PQ Permutation
|
| コンテスト | |
| ユーザー |
omochana2
|
| 提出日時 | 2020-05-17 16:27:44 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 303 ms / 2,000 ms |
| コード長 | 3,177 bytes |
| コンパイル時間 | 1,607 ms |
| コンパイル使用メモリ | 168,760 KB |
| 実行使用メモリ | 16,880 KB |
| 最終ジャッジ日時 | 2024-09-25 08:54:38 |
| 合計ジャッジ時間 | 8,186 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 46 |
ソースコード
#include <bits/stdc++.h>
#define ADD(a, b) a = (a + ll(b)) % mod
#define MUL(a, b) a = (a * ll(b)) % mod
#define MAX(a, b) a = max(a, b)
#define MIN(a, b) a = min(a, b)
#define rep(i, a, b) for(int i = int(a); i < int(b); i++)
#define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--)
#define all(a) (a).begin(), (a).end()
#define sz(v) (int)(v).size()
#define pb push_back
#define sec second
#define fst first
#define debug(fmt, ...) Debug(__LINE__, ":", fmt, ##__VA_ARGS__)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<int, pi> ppi;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vl> mat;
typedef complex<double> comp;
void Debug() {cerr << '\n'; }
template<class FIRST, class... REST>void Debug(FIRST arg, REST... rest){
cerr<<arg<<" ";Debug(rest...);}
template<class T>ostream& operator<<(ostream& out,const vector<T>& v) {
out<<"[";if(!v.empty()){rep(i,0,sz(v)-1)out<<v[i]<<", ";out<<v.back();}out<<"]";return out;}
template<class S, class T>ostream& operator<<(ostream& out,const pair<S, T>& v){
out<<"("<<v.first<<", "<<v.second<<")";return out;}
const int MAX_N = 500010;
const int MAX_V = 100010;
const double eps = 1e-6;
const ll mod = 1000000007;
const int inf = (1 << 30) - 1;
const ll linf = 1LL << 60;
const double PI = 3.14159265358979323846;
mt19937 rng; //use it by rng() % mod, shuffle(all(vec), rng)
///////////////////////////////////////////////////////////////////////////////////////////////////
int N, L, R;
int A[MAX_N];
int B[MAX_N];
set<int> S;
void solve() {
cin >> N >> L >> R; L--; R--;
rep(i, 0, N) {
cin >> A[i];
A[i]--;
}
memset(B, -1, sizeof(B));
rep(i, 0, N) S.insert(i);
int at = -1;
rep(i, 0, N - 1) {
auto it = S.end(); it--;
int maxv = *it; it--;
int smaxv = *it;
if(A[i] != maxv && R != maxv) {
at = i;
}
else if(A[i] == maxv && R == maxv) {
break;
}
else if(A[i] == maxv && R != maxv) {
}
else {
if(A[i] != smaxv) {
at = i;
}
}
S.erase(A[i]);
if(R == A[i] && S.count(L)) {
break;
}
}
if(at == -1) {
cout << -1 << "\n"; return;
}
S.clear();
rep(i, 0, N) S.insert(i);
rep(i, 0, at) {
S.erase(A[i]);
B[i] = A[i];
}
auto it = S.upper_bound(A[at]);
if(*it == R) {
it++; B[at] = *it;
S.erase(it);
}
else {
B[at] = *it;
S.erase(it);
}
bool reverse = S.count(L) && L > R;
if(reverse) S.erase(R);
int i = at + 1;
while(i < N) {
B[i] = *S.begin();
S.erase(S.begin());
if(B[i] == L && reverse) {
i++; B[i] = R;
}
i++;
}
rep(i, 0, N) {
cout << B[i] + 1 << " ";
}
cout << "\n";
}
uint32_t rd() {
uint32_t res;
#ifdef __MINGW32__
asm volatile("rdrand %0" :"=a"(res) ::"cc");
#else
res = std::random_device()();
#endif
return res;
}
int main() {
#ifndef LOCAL
ios::sync_with_stdio(false);
cin.tie(0);
#endif
cout << fixed;
cout.precision(20);
cerr << fixed;
cerr.precision(6);
rng.seed(rd());
#ifdef LOCAL
//freopen("in.txt", "wt", stdout); //for tester
if(!freopen("in.txt", "rt", stdin)) return 1;
#endif
solve();
cerr << "Time: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
return 0;
}
omochana2