結果
| 問題 |
No.2496 LCM between Permutations
|
| ユーザー |
Astral__
|
| 提出日時 | 2023-10-06 22:16:05 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 9,315 bytes |
| コンパイル時間 | 2,248 ms |
| コンパイル使用メモリ | 213,228 KB |
| 最終ジャッジ日時 | 2025-02-17 05:14:39 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 26 RE * 2 |
コンパイルメッセージ
main.cpp: In function ‘void solve()’:
main.cpp:302:23: warning: ‘tmp’ may be used uninitialized [-Wmaybe-uninitialized]
302 | rres.push_back(P(a(i, tmp), i));
| ~^~~~~~~~
main.cpp:287:8: note: ‘tmp’ was declared here
287 | ll tmp;
| ^~~
main.cpp:318:9: warning: ‘pre’ may be used uninitialized [-Wmaybe-uninitialized]
318 | B.at(pre) = p;
| ~~~~^~~~~
main.cpp:288:8: note: ‘pre’ was declared here
288 | ll pre;
| ^~~
main.cpp:237:23: warning: ‘tmp’ may be used uninitialized [-Wmaybe-uninitialized]
237 | rres.push_back(P(a(tmp, i), i));
| ~^~~~~~~~
main.cpp:218:6: note: ‘tmp’ was declared here
218 | ll tmp;
| ^~~
main.cpp:254:9: warning: ‘pre’ may be used uninitialized [-Wmaybe-uninitialized]
254 | A.at(pre) = p;
| ~~~~^~~~~
main.cpp:219:6: note: ‘pre’ was declared here
219 | ll pre;
| ^~~
ソースコード
#include<bits/stdc++.h>
#define PPque priority_queue<tuple<ll, ll, ll>, vector<tuple<ll, ll, ll>>, greater<tuple<ll, ll, ll>>>
#define Pque priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>>
#define pque priority_queue<ll, vector<ll>, greater<ll>>
#define umap unordered_map
#define uset unordered_set
#define rep(i, s, f) for(ll i = s; i <= f; i++)
#define per(i, s, f) for(ll i = s; i >= f; i--)
#define all0(x) (x).begin() ,(x).end()
#define all(x) (x).begin() + 1, (x).end()
#define vvvvl vector<vvvl>
#define vvvi vector<vector<vector<int>>>
#define vvvl vector<vector<vector<ll>>>
#define vvvc vector<vector<vector<char>>>
#define vvvd vector<vector<vector<double>>>
#define vvvm vector<vector<vector<mint>>>
#define vvi vector<vector<int>>
#define vvl vector<vector<ll>>
#define vvs vector<vector<string>>
#define vvc vector<vector<char>>
#define vvp vector<vector<pair<ll, ll>>>
#define vvb vector<vector<bool>>
#define vvd vector<vector<double>>
#define vvm vector<vector<mint>>
#define vp vector<pair<ll, ll>>
#define vi vector<int>
#define vl vector<ll>
#define vs vector<string>
#define vc vector<char>
#define vb vector<bool>
#define vd vector<double>
#define vm vector<mint>
#define P pair<ll, ll>
#define TU tuple<ll, ll, ll>
#define rrr(l, r) mt()%(r-l+1)+l
#define ENDL '\n'
#define ull unsigned long long
typedef long long ll;
using namespace std;
////////////////////////////////////////////////////////////////////////////////////////////////////////////
//これが本当の組み込み関数ってね(笑)
template <typename T>
T or_less(vector<T> &A, T x) { //x以下で最大要素の添字 前提: sort済み 存在しない: -1
return distance(A.begin(), upper_bound(A.begin(), A.end(), x)-1);
}
template <typename T>
T under(vector<T> &A, T x) { //x未満の最大要素の添字 前提: sort済み 存在しない: -1
return distance(A.begin(), lower_bound(A.begin(), A.end(), x)-1);
}
template <typename T>
T or_more(vector<T> &A, T x) { //x以上で最小要素の添字 前提: sort済み 存在しない: N . //distanceのA.beginは添字を出すために常にA.begin() NG: A.begin() + 1
return distance(A.begin(), lower_bound(A.begin(), A.end(), x));
}
template <typename T>
T over(vector<T> &A, T x) { //xより大きい最小要素の添字前提: sort済み 存在しない: N
return distance(A.begin(), upper_bound(A.begin(), A.end(), x));
}
void compress(vector<ll> &A) {//小さい順に順位、大きい順にしたいならreverseはNG最後に変換 //重複無し //最初は番兵
vector<ll> temp = A;
sort(temp.begin()+1, temp.end());
temp.erase(unique(temp.begin()+1, temp.end()), temp.end());
for (int i = 1; i <= int(A.size()-1); i++) {
A.at(i) = distance(temp.begin(), lower_bound(temp.begin()+1, temp.end(), A.at(i)));
}
}
template <typename T>
void UNIQUE(vector<T> &A) {
sort(all0(A));
return A.erase(unique(A.begin(), A.end()), A.end());
}
template <typename T>
void rev90(vector<vector<T>> &A, int indexed = 1) {
reverse(A.begin() + indexed, A.end());
int n = A.size();
rep(i, indexed, n-1) {
rep(j, i+1, n-1) {
swap(A.at(i).at(j), A.at(j).at(i));
}
}
}
void chmin(ll &a, ll b) {
a = min(a, b);
}
void chmax(ll &a, ll b) {
a = max(a, b);
}
//////////////////////////////////////////////////////////////////////
//数学系
///////////////////////////////////////////////////////////////////////
ll round(ll x, ll i) {return ll(x + 5 * pow(10, i-1))/ll(pow(10, i)) * ll(pow(10, i));}
vp insu_bunkai(ll N) {
vp res;
for (int i = 2; i * i <= N; i++) {
ll cnt = 0;
while(N % i == 0) {
cnt++;
N /= i;
}
if(cnt != 0) res.push_back(P(i, cnt));
}
if(N != 1) res.push_back(P(N, 1));
return res;
}
ll extgcd (ll a, ll b, ll &x, ll &y) {
if(b == 0) { x = 1;y = 0;return a;}
ll d = extgcd(b, a%b, y, x);
y -= a/b * x;
return d;
}
template <typename T>
T ceil(T a, T b) {
assert(b != 0);
if(a % b == 0) return a / b;
if((a <= 0 && b < 0) || (a >= 0 && b > 0)) return a/b + 1;
else return a / b;
}
template <typename T>
T floor(T a, T b) {
assert(b != 0);
if(a % b == 0) return a / b;
if((a <= 0 && b < 0) || (a >= 0 && b > 0)) return a/b;
else return a/b - 1;
}
ll modpow(ll x, ll y) {
const ll mod = 9223372036854775807LL;
if(x > mod) x %= mod;
if(y == 0) return 1;
ll res = modpow(x, y >> 1);
res = res * res % mod;
if(y & 1) res *= x, res %= mod;
return res;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//グローバル変数を置くところ(情報工学意識高め)
//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
const ll int_max = 1001001001;
const ll ll_max = 1001001001001001001LL;
const double pi = 3.141592653589793;
vl dx{0, 1, 0, -1, 0, 1, 1, -1, -1}; // (番兵) → ↓ ← ↑ ※ 右から時計回り
vl dy{0, 0, -1, 0, 1, 1, -1, -1, 1};
//const ll mod = 1000000007;
//const ll mod = 998244353;
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
vector<ll> Exhurui(ll N) {
vector<ll> sosu;
ll Max = sqrt(N);
vector<int> hantei(N+1, 1);
hantei.at(1) = 0;
for (int i = 2; i <= Max; i++) {
if (hantei.at(i) == 1) {
for (int j = 2; j * i <= N; j++) {
hantei.at(j*i) = 0;
}
}
}
for (int i = 2; i <= N; i++) {
if (hantei.at(i) == 1) {
sosu.push_back(i);
}
}
return sosu;
}
void solve() {
ll N;
cin >> N;
auto primes = Exhurui(N);
ll p = primes.back();//こいつで聞けばわかる
auto a = [](ll a, ll b) {
cout << "? " << a << " " << b << endl;
ll res;
cin >> res;
return res;
};
ll idx = 1;
bool aaa = false;
for( ; idx <= N; idx++) {
cout <<"? " << 1 << " " << idx << endl;
ll res;
cin >> res;
if(res % p == 0) {
if(idx == 1) {
ll res2 = a(1, 2);
if(res2 % p == 0) {
aaa = true;
}
else {
break;
}
}
else {
break;
}
}
}
//if(aaa) A[1]が p
//else B[idx]が p ここまでN回以下
if(!aaa) {
//Bのbiggest prime idxがわかった
vl A(N+1, -1);
vl B(N+1, -1);
B[idx] = p;
ll tmp;
ll pre;
rep(i, 1, N) {
cout << "? " << i << " " << idx << endl;
ll res;
cin >> res;
A.at(i) = res / p;
if(A.at(i) == 1) {
pre = tmp;
tmp = i;
}
}
//2N回
//A[tmp]は今1 or pなので、それを特定する
vp rres;
rep(i, 1, 3) {
if(i == idx) continue;
rres.push_back(P(a(tmp, i), i));
if(rres.size() >= 2) break;
}
//2N + 2回
if(rres.at(0).first % p == 0 && rres.at(1).first % p == 0) {
//A[tmp] = p
A.at(tmp) = p;
tmp = pre;
auto [r1, i1] = rres.at(0);
B.at(i1) = r1 / p;
auto [r2, i2] = rres.at(1);
B.at(i2) = r2 / p;
}
else {
//A[tmp] = 1
A.at(pre) = p;
auto [r1, i1] = rres.at(0);
B.at(i1) = r1;
auto [r2, i2] = rres.at(1);
B.at(i2) = r2;
}
rep(i, 1, N) {
if(B.at(i) != -1) continue;
cout << "? " << tmp << " " << i << endl;
ll res;
cin >> res;
//(1, B.at(i)) または (p, B.at(i))
B.at(i) = res;
}
cout <<"! ";
rep(i, 1, N) cout << A.at(i) << " ";
rep(i, 1, N) cout << B.at(i) << " ";
}
else {
vl A(N+1, -1);
vl B(N+1, -1);
A.at(1) = p;
//N回質問済み
ll tmp;
ll pre;
rep(i, 1, N) {
B.at(i) = a(1, i) / p;
if(B.at(i) == 1) {
pre = tmp;
tmp = i;
}
}
//2N回
//B[tmp]は今1 or pなので、それを特定する
vp rres;
rep(i, 2, 3) {
rres.push_back(P(a(i, tmp), i));
}
//2N + 2回
if(rres.at(0).first % p == 0 && rres.at(1).first % p == 0) {
//B[tmp] = p
B.at(tmp) = p;
tmp = pre;
auto [r1, i1] = rres.at(0);
A.at(i1) = r1 / p;
auto [r2, i2] = rres.at(1);
A.at(i2) = r2 / p;
}
else {
//B[tmp] = 1
B.at(pre) = p;
auto [r1, i1] = rres.at(0);
A.at(i1) = r1;
auto [r2, i2] = rres.at(1);
A.at(i2) = r2;
}
rep(i, 1, N) {
if(A.at(i) != -1) continue;
cout << "? " << i << " " << tmp << endl;
ll res;
cin >> res;
//(1, B.at(i)) または (p, B.at(i))
A.at(i) = res;
}
cout <<"! ";
rep(i, 1, N) cout << A.at(i) << " ";
rep(i, 1, N) cout << B.at(i) << " ";
}
exit(0);
}
//座標を2で割った時の”切り捨て側(左側)”を求めるには 誤:(x / 2) マイナスの時!!! 正:floor<ll>(x, 2);
//stringでの数字の下から1桁目は 正:S.at(N-1) 誤:S.at(0)
//if(S.at(i) == 1) ← charなのに1...?
// modは取りましたか...?(´・ω・`)
//sortの比較関数は、 a == b ならば falseを返す必要がある(そうで無いとRE)
int main() {
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
cout << fixed << setprecision(15);
ll T = 1;
//cin >> T;
rep(i, 1, T) {
solve();
}
return 0;
}
Astral__