結果

問題 No.2045 Two Reflections
ユーザー fuppy_kyoprofuppy_kyopro
提出日時 2022-08-19 22:56:47
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 4,915 bytes
コンパイル時間 2,541 ms
コンパイル使用メモリ 210,656 KB
実行使用メモリ 16,620 KB
最終ジャッジ日時 2024-10-08 10:14:37
合計ジャッジ時間 5,503 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
5,248 KB
testcase_01 AC 2 ms
5,248 KB
testcase_02 AC 25 ms
15,660 KB
testcase_03 AC 98 ms
11,752 KB
testcase_04 AC 78 ms
13,256 KB
testcase_05 AC 35 ms
5,248 KB
testcase_06 AC 65 ms
6,784 KB
testcase_07 AC 74 ms
12,852 KB
testcase_08 AC 42 ms
14,496 KB
testcase_09 AC 143 ms
14,720 KB
testcase_10 AC 137 ms
11,064 KB
testcase_11 AC 16 ms
5,248 KB
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 AC 2 ms
5,248 KB
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 AC 277 ms
16,620 KB
testcase_21 AC 47 ms
15,724 KB
testcase_22 AC 48 ms
15,728 KB
testcase_23 AC 46 ms
15,596 KB
testcase_24 AC 46 ms
15,700 KB
testcase_25 AC 49 ms
15,724 KB
testcase_26 AC 49 ms
15,788 KB
testcase_27 AC 43 ms
15,724 KB
testcase_28 AC 52 ms
15,724 KB
testcase_29 AC 36 ms
15,688 KB
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 #

/*
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//*/

#include <bits/stdc++.h>

// #include <atcoder/all>
// #include <atcoder/segtree>

using namespace std;
// using namespace atcoder;

// #define _GLIBCXX_DEBUG

#define DEBUG(x) cerr << #x << ": " << x << endl;
#define DEBUG_VEC(v)                                        \
    cerr << #v << ":";                                      \
    for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \
        cerr << " " << v[iiiiiiii];                         \
    cerr << endl;
#define DEBUG_MAT(v)                                \
    cerr << #v << endl;                             \
    for (int iv = 0; iv < v.size(); iv++) {         \
        for (int jv = 0; jv < v[iv].size(); jv++) { \
            cerr << v[iv][jv] << " ";               \
        }                                           \
        cerr << endl;                               \
    }
typedef long long ll;
// #define int ll

#define vi vector<int>
#define vl vector<ll>
#define vii vector<vector<int>>
#define vll vector<vector<ll>>
#define vs vector<string>
#define pii pair<int, int>
#define pis pair<int, string>
#define psi pair<string, int>
#define pll pair<ll, ll>
template <class S, class T>
pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) {
    return pair<S, T>(s.first + t.first, s.second + t.second);
}
template <class S, class T>
pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); }
template <class S, class T>
ostream &operator<<(ostream &os, pair<S, T> p) {
    os << "(" << p.first << ", " << p.second << ")";
    return os;
}
#define X first
#define Y second
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i <= (int)(n); i++)
#define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--)
#define rrep1(i, n) for (int i = (int)(n); i > 0; i--)
#define REP(i, a, b) for (int i = a; i < b; i++)
#define in(x, a, b) (a <= x && x < b)
#define all(c) c.begin(), c.end()
void YES(bool t = true) {
    cout << (t ? "YES" : "NO") << endl;
}
void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; }
void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; }
void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; }
void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; }
void no(bool t = true) { cout << (t ? "no" : "yes") << endl; }
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;
}
#define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end());
const ll inf = 1000000001;
const ll INF = (ll)1e18 + 1;
const long double pi = 3.1415926535897932384626433832795028841971L;
int popcount(ll t) { return __builtin_popcountll(t); }
// int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
// int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };
vi dx = {0, 0, -1, 1}, dy = {-1, 1, 0, 0};
vi dx2 = {1, 1, 0, -1, -1, -1, 0, 1}, dy2 = {0, 1, 1, 1, 0, -1, -1, -1};
struct Setup_io {
    Setup_io() {
        ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
        cout << fixed << setprecision(25);
    }
} setup_io;
// const ll MOD = 1000000007;
const ll MOD = 998244353;
// #define mp make_pair
//#define endl '\n'

ll gcd(ll a, ll b) {
    if (b > a) {
        swap(a, b);
    }
    if (b == 0) return a;
    ll r = a % b;
    while (r != 0) {
        a = b;
        b = r;
        r = a % b;
    }
    return b;
}

ll lcm(ll a, ll b) {
    return (a / gcd(a, b)) * b;
}

int dfs(int now, vii &G, vi &used) {
    used[now] = true;
    if (used[G[now][0]]) {
        return 1;
    } else {
        return dfs(G[now][0], G, used) + 1;
    }
}

signed main() {
    int n, p, q;
    cin >> n >> p >> q;

    vii to(2, vi(n));
    rep(i, 2) {
        rep(j, n) {
            if (i == 0) {
                if (j < p) {
                    to[i][j] = p - 1 - j;
                } else {
                    to[i][j] = j;
                }
            } else {
                if (j < n - q) {
                    to[i][j] = j;
                } else {
                    int re = n - 1 - j;
                    re = q - 1 - re;
                    to[i][j] = n - 1 - re;
                }
            }
        }
    }

    int V = 2 * n;
    vii G(V);
    rep(i, 2) {
        rep(j, n) {
            int u = i * n + j;
            int v = (1 - i) * n + to[i][j];
            G[u].push_back(v);
        }
    }

    vi used(V);
    vi g;
    rep(i, V) {
        if (used[i]) {
            continue;
        }
        g.push_back(dfs(i, G, used));
    }

    DEBUG_VEC(g);

    ll ans = 1;
    for (ll gg : g) {
        ans = lcm(ans, gg);
    }
    cout << ans % MOD << endl;
}
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