結果
問題 | No.1051 PQ Permutation |
ユーザー |
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提出日時 | 2020-05-17 16:27:44 |
言語 | C++11 (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; }