結果

問題 No.2929 Miracle Branch
ユーザー Kyo_s_sKyo_s_s
提出日時 2024-10-12 16:04:32
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 45 ms / 2,000 ms
コード長 5,902 bytes
コンパイル時間 2,474 ms
コンパイル使用メモリ 219,272 KB
実行使用メモリ 15,756 KB
最終ジャッジ日時 2024-10-12 16:05:03
合計ジャッジ時間 9,374 ms
ジャッジサーバーID
(参考情報)
judge1 / judge
このコードへのチャレンジ
(要ログイン)

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
6,816 KB
testcase_01 AC 2 ms
6,816 KB
testcase_02 AC 2 ms
6,820 KB
testcase_03 AC 2 ms
6,816 KB
testcase_04 AC 2 ms
6,816 KB
testcase_05 AC 1 ms
6,820 KB
testcase_06 AC 2 ms
6,820 KB
testcase_07 AC 2 ms
6,820 KB
testcase_08 AC 2 ms
6,820 KB
testcase_09 AC 1 ms
6,820 KB
testcase_10 AC 2 ms
6,816 KB
testcase_11 AC 2 ms
6,820 KB
testcase_12 AC 2 ms
6,820 KB
testcase_13 AC 2 ms
6,816 KB
testcase_14 AC 2 ms
6,820 KB
testcase_15 AC 2 ms
6,820 KB
testcase_16 AC 2 ms
6,816 KB
testcase_17 AC 2 ms
6,816 KB
testcase_18 AC 2 ms
6,816 KB
testcase_19 AC 2 ms
6,816 KB
testcase_20 AC 3 ms
6,820 KB
testcase_21 AC 4 ms
6,816 KB
testcase_22 AC 2 ms
6,820 KB
testcase_23 AC 5 ms
6,820 KB
testcase_24 AC 15 ms
7,040 KB
testcase_25 AC 3 ms
6,816 KB
testcase_26 AC 2 ms
6,820 KB
testcase_27 AC 2 ms
6,816 KB
testcase_28 AC 4 ms
6,820 KB
testcase_29 AC 4 ms
6,816 KB
testcase_30 AC 4 ms
6,820 KB
testcase_31 AC 4 ms
6,816 KB
testcase_32 AC 4 ms
6,816 KB
testcase_33 AC 3 ms
6,820 KB
testcase_34 AC 45 ms
15,756 KB
testcase_35 AC 44 ms
15,596 KB
testcase_36 AC 3 ms
6,820 KB
testcase_37 AC 43 ms
15,712 KB
testcase_38 AC 44 ms
15,676 KB
testcase_39 AC 44 ms
15,708 KB
testcase_40 AC 43 ms
15,724 KB
testcase_41 AC 44 ms
15,720 KB
testcase_42 AC 43 ms
15,656 KB
testcase_43 AC 41 ms
15,588 KB
testcase_44 AC 43 ms
15,676 KB
testcase_45 AC 2 ms
6,820 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 #

#ifdef INCLUDED_MAIN


map<ll, ll> factorize(ll n) {
    map<ll, ll> ret;
    for (ll i = 2; i * i <= n; i++) {
        if (i >= 200000) {
            OUT("-1"); exit(0);
        }
        while (n % i == 0) {
            ret[i]++;
            n /= i;
        }
    }
    if (n != 1) ret[n] = 1;
    return ret;
}

int main() {

    LL(X);

    if (X == 1) {
        OUT(2);
        OUT(1, 2);
        OUT("b", "g");
        exit(0);
    }

    auto fac = factorize(X);
    if (fac[2] >= 2) {
        fac[4] = fac[2] / 2;
        fac[2] %= 2;
    }

    // 辺の個数
    ll cnt = 0;
    {
        for (auto [k, v] : fac) {
            if (v == 0) continue;
            cnt += (1 + k) * v;
        }
    }
    if (cnt > 200000) {
        OUT(-1); exit(0);
    }


    OUT(cnt);
    vector<ll> gr;
    for (auto [k, v] : fac) if (v != 0) {
        rep(i, v) gr.pb(k);
    }

    auto put = [&](ll x, ll y) -> void {
        // OUT(x + 1, y + 1);
        cout << x + 1 << " " << y + 1 << "\n";
    };

    // br path
    for (int i = 1; i < gr.size(); i++) {
        put(i - 1, i);
    }

    ll gi = gr.size();
    rep(i, gr.size()) {
        rep(j, gr[i]) {
            put(i, gi++);
        }
    }

    vs col(cnt, "g");
    rep(i, gr.size()) col[i] = "b";
    OUT(col);

}

#else

#include <bits/stdc++.h>
using namespace std;
// #include <atcoder/all>
// using namespace atcoder;
// https://atcoder.github.io/ac-library/master/document_ja/

/* alias */
using ull = unsigned long long;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vll = vector<long long>;
using vd = vector<double>;
using vs = vector<string>;
using vb = vector<bool>;
using vpii = vector<pair<int, int>>;
using vpll = vector<pair<ll, ll>>;
using vvi = vector<vector<int>>;
using vvll = vector<vector<long long>>;
using vvd = vector<vector<double>>;
using vvs = vector<vector<string>>;
using vvb = vector<vector<bool>>;
template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;

/* define */
#define MOD 998244353
// #define MOD 1000000007
#define INF (1LL << 60)
#define elif else if
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define all(obj) (obj).begin(), (obj).end()
#define YESNO(bool) cout << (bool ? "YES\n" : "NO\n")
#define YesNo(bool) cout << (bool ? "Yes\n" : "No\n")
#define yesno(bool) cout << (bool ? "yes\n" : "no\n")
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(b<a){ a=b; return 1;} return 0;}
#define debug(x) cerr << #x << ":" << x << "\n";

/* REP macro */
#define reps(i, a, n) for(ll i = (a); i < (n); i++)
#define rep(i, n) reps(i, 0, (n))
#define rrep(i, n) reps(i, 1, (n + 1))
#define repd(i, n) for(ll i = (n - 1); i >= 0; i--)
#define rrepd(i, n) for(ll i = (n); i >= 1; i--)
#define fore(i, a) for(auto &i: a)

/* vector */
template<class T> T vmax(vector<T> &array){ T ret = array[0]; for(T a: array) chmax(ret, a); return ret; }
template<class T> T vmin(vector<T> &array){ T ret = array[0]; for(T a: array) chmin(ret, a); return ret; }
template<class T> T sum(vector<T> &array){ T ret = 0; for(T a:array) ret += a; return ret; }
template<class T> void list_set(vector<T> &array){ sort(all(array)); array.erase(unique(all(array)),array.end()); }
template<class T> int bisect_left(vector<T> &array, T key){ return lower_bound(all(array),key) - array.begin(); }
template<class T> int bisect_right(vector<T> &array, T key){ return upper_bound(all(array),key) - array.begin(); }

/* string */
ll string_to_ll(string n){ ll ret = 0, k = 1; while(n.length() > 0){ ret += k * (n.back() - '0'); n.pop_back(); k *= 10; } return ret; }
string ll_to_string(ll n){ string ret = ""; while(n > 0){ ret.pb((n % 10) + '0'); n /= 10; } reverse(all(ret)); return ret; }

struct popopo{ popopo(){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(15); }; } popopoppo;

// n = 1,...,N に対して、n % A < B を満たすものの数 
ll Count_of_n_mod_A_less_than_B(ll N, ll A, ll B){ return N / A * min(A, B) + min(N % A, B - 1); }

bool include(ll l, ll r, ll x) { return l <= x && x < r; }

/* IN/OUT */
int scan() { return getchar(); }
void scan(int &a) { cin >> a; }
void scan(long long &a) { cin >> a; }
void scan(char &a) { cin >> a; }
void scan(double &a) { cin >> a; }
void scan(string &a) { cin >> a; }
template <class T, class S> void scan(pair<T, S> &p) { scan(p.first), scan(p.second); }
template <class T> void scan(vector<T> &);
template <class T> void scan(vector<T> &a) { for(auto &i : a) scan(i); }

void IN(){}
template<class Head, class... Tail> void IN(Head& head, Tail &...tail){ scan(head); IN(tail...); }

#define INT(...) int __VA_ARGS__; IN(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__; IN(__VA_ARGS__)
#define STR(...) string __VA_ARGS__; IN(__VA_ARGS__)
#define VEC(type, name, size) vector<type> name(size); IN(name)
#define VECS(type, name, size) vector<type> name(size + 1); for(int i = 1; i <= size; i++) scan(name[i])

void OUT(){ cout << "\n"; }
template<class T> void output(T a){ cout << a; }
template<class T> void output(vector<T> v){ for(int i = 0; i < v.size(); i++) cout << v[i] << (i == v.size() - 1 ? "" : " "); }
template<class Head, class... Tail> void OUT(const Head &head, const Tail &...tail) { output(head); if(sizeof...(tail)) cout << " "; OUT(tail...); }

void FLASH(){ cout << endl; }
template<class Head, class... Tail> void FLASH(const Head  &head, const Tail &...tail) { output(head); if(sizeof...(tail)) cout << " "; FLASH(tail...); }

namespace kyo {

long long bisect(long long ok, long long ng, function<bool(long long)> is_ok) { while (abs(ok - ng) > 1) { long long mid = ok + (ng - ok) / 2; (is_ok(mid) ? ok : ng) = mid; } return ok; }

}

#define INCLUDED_MAIN
#include __FILE__ // Codeforces で壊れるらしい

#endif
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