結果

問題 No.502 階乗を計算するだけ
ユーザー is_eri23is_eri23
提出日時 2017-04-07 23:18:19
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 52 ms / 1,000 ms
コード長 3,803 bytes
コンパイル時間 652 ms
コンパイル使用メモリ 80,984 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-07-16 03:02:41
合計ジャッジ時間 2,131 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
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
6,812 KB
testcase_01 AC 1 ms
6,940 KB
testcase_02 AC 1 ms
6,940 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 2 ms
6,940 KB
testcase_06 AC 2 ms
6,944 KB
testcase_07 AC 1 ms
6,940 KB
testcase_08 AC 1 ms
6,940 KB
testcase_09 AC 1 ms
6,944 KB
testcase_10 AC 2 ms
6,940 KB
testcase_11 AC 2 ms
6,940 KB
testcase_12 AC 1 ms
6,940 KB
testcase_13 AC 1 ms
6,940 KB
testcase_14 AC 2 ms
6,944 KB
testcase_15 AC 1 ms
6,940 KB
testcase_16 AC 2 ms
6,940 KB
testcase_17 AC 2 ms
6,940 KB
testcase_18 AC 2 ms
6,944 KB
testcase_19 AC 2 ms
6,940 KB
testcase_20 AC 2 ms
6,940 KB
testcase_21 AC 2 ms
6,940 KB
testcase_22 AC 7 ms
6,940 KB
testcase_23 AC 3 ms
6,940 KB
testcase_24 AC 5 ms
6,944 KB
testcase_25 AC 2 ms
6,944 KB
testcase_26 AC 4 ms
6,940 KB
testcase_27 AC 3 ms
6,944 KB
testcase_28 AC 3 ms
6,944 KB
testcase_29 AC 2 ms
6,940 KB
testcase_30 AC 6 ms
6,944 KB
testcase_31 AC 4 ms
6,940 KB
testcase_32 AC 31 ms
6,940 KB
testcase_33 AC 52 ms
6,940 KB
testcase_34 AC 47 ms
6,940 KB
testcase_35 AC 49 ms
6,944 KB
testcase_36 AC 28 ms
6,944 KB
testcase_37 AC 52 ms
6,940 KB
testcase_38 AC 23 ms
6,940 KB
testcase_39 AC 45 ms
6,940 KB
testcase_40 AC 9 ms
6,944 KB
testcase_41 AC 1 ms
6,940 KB
testcase_42 AC 2 ms
6,944 KB
testcase_43 AC 2 ms
6,944 KB
testcase_44 AC 1 ms
6,940 KB
testcase_45 AC 1 ms
6,944 KB
testcase_46 AC 1 ms
6,940 KB
testcase_47 AC 2 ms
6,940 KB
testcase_48 AC 1 ms
6,944 KB
testcase_49 AC 1 ms
6,940 KB
testcase_50 AC 1 ms
6,940 KB
testcase_51 AC 1 ms
6,940 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 #

#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <utility>
#include <string>
#include <cstring>
#include <queue>
#include <cmath>
#include <iomanip>
#include <cassert>
#include <numeric>
#define EPS 1e-9
#define INF 1070000000LL
#define MOD 1000000007LL
#define fir first
#define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++)
#define numa(x,a) for(auto x: a)
#define ite iterator
#define mp make_pair
#define rep(i,n) rep2(i,0,n)
#define rep2(i,m,n) for(int i=m;i<(n);i++)
#define pb push_back
#define pf push_front
#define sec second
#define sz(x) ((int)(x).size())
#define ALL( c ) (c).begin(), (c).end()
#define gcd(a,b) __gcd(a,b)
#define mem(x,n) memset(x,n,sizeof(x))
#define endl "\n"
using namespace std;
template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){}
template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); }
template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; }
#define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; }
#define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); }
#define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); }
#define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); }
using ll = long long;
const ll BAR = 1e7;

ll memo[] = {0, 682498929,491101308,76479948,723816384,67347853,27368307,625544428,199888908,888050723,927880474,281863274,661224977,623534362,970055531,261384175,195888993,66404266,547665832,109838563,933245637,724691727,368925948,268838846,136026497,112390913,135498044,217544623,419363534,500780548,668123525,128487469,30977140,522049725,309058615,386027524,189239124,148528617,940567523,917084264,429277690,996164327,358655417,568392357,780072518,462639908,275105629,909210595,99199382,703397904,733333339,97830135,608823837,256141983,141827977,696628828,637939935,811575797,848924691,131772368,724464507,272814771,326159309,456152084,903466878,92255682,769795511,373745190,606241871,825871994,957939114,435887178,852304035,663307737,375297772,217598709,624148346,671734977,624500515,748510389,203191898,423951674,629786193,672850561,814362881,823845496,116667533,256473217,627655552,245795606,586445753,172114298,193781724,778983779,83868974,315103615,965785236,492741665,377329025,847549272,698611116,698611116};
ll go(ll N, ll i) {
  ll ans = memo[i];
  for (int x = i*BAR + 1; x <= N; x++) {
    ans *= x;
    ans %= MOD;
  }
  return ans;
}

int main()
{
  cin.tie(0);
  ios_base::sync_with_stdio(0);
  ll N;
  cin >> N;
  if (N >= MOD) {
    cout << 0 << endl;
  }

  if (N < BAR) {
    ll ans = 1;
    for (ll i = 1; i <= N; i++) {
      ans *= i;
      ans %= MOD;
    }
    cout << ans << endl;
    return 0;
  }
  
  for (ll i = 1; i <= 100; i++) {//memo[i] = i*1e7
    if (N < BAR * (i+1)) {
      cout << go(N, i) << endl;
      return 0;
    }
  }
  
  return 0;
}

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