結果

問題 No.500 階乗電卓
ユーザー kissshot7kissshot7
提出日時 2020-09-02 16:32:06
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 4 ms / 2,000 ms
コード長 3,014 bytes
コンパイル時間 1,583 ms
コンパイル使用メモリ 168,504 KB
実行使用メモリ 7,876 KB
最終ジャッジ日時 2024-11-21 14:26:09
合計ジャッジ時間 2,419 ms
ジャッジサーバーID
(参考情報)
judge4 / 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 4 ms
7,492 KB
testcase_01 AC 3 ms
7,496 KB
testcase_02 AC 3 ms
7,620 KB
testcase_03 AC 4 ms
7,492 KB
testcase_04 AC 3 ms
7,492 KB
testcase_05 AC 3 ms
7,620 KB
testcase_06 AC 4 ms
7,748 KB
testcase_07 AC 3 ms
7,492 KB
testcase_08 AC 3 ms
7,496 KB
testcase_09 AC 3 ms
7,492 KB
testcase_10 AC 4 ms
7,492 KB
testcase_11 AC 4 ms
7,876 KB
testcase_12 AC 3 ms
7,748 KB
testcase_13 AC 3 ms
7,748 KB
testcase_14 AC 3 ms
7,876 KB
testcase_15 AC 3 ms
7,748 KB
testcase_16 AC 4 ms
7,620 KB
testcase_17 AC 3 ms
7,616 KB
testcase_18 AC 3 ms
7,492 KB
testcase_19 AC 4 ms
7,492 KB
testcase_20 AC 3 ms
7,496 KB
testcase_21 AC 3 ms
7,492 KB
testcase_22 AC 3 ms
7,488 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 #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
//#define int long long
typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
const ll mod = 1000000007;
const ll INF = mod * mod;
const int INF_N = 1e+9;
typedef pair<int, int> P;
// #define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
#define all(v) (v).begin(),(v).end()
typedef pair<ll, ll> LP;
typedef long double ld;
typedef pair<ld, ld> LDP;
const ld eps = 1e-12;
const ld pi = acos(-1.0);
//typedef vector<vector<ll>> mat;
typedef vector<int> vec;
//
ll mod_pow(ll a, ll n, ll m) {
ll res = 1;
while (n) {
if (n & 1)res = res * a%m;
a = a * a%m; n >>= 1;
}
return res;
}
struct modint {
ll n;
modint() :n(0) { ; }
modint(ll m) :n(m) {
if (n >= mod)n %= mod;
else if (n < 0)n = (n%mod + mod) % mod;
}
operator int() { return n; }
};
bool operator==(modint a, modint b) { return a.n == b.n; }
modint operator+=(modint &a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; }
modint operator-=(modint &a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; }
modint operator*=(modint &a, modint b) { a.n = ((ll)a.n*b.n) % mod; return a; }
modint operator+(modint a, modint b) { return a += b; }
modint operator-(modint a, modint b) { return a -= b; }
modint operator*(modint a, modint b) { return a *= b; }
modint operator^(modint a, int n) {
if (n == 0)return modint(1);
modint res = (a*a) ^ (n / 2);
if (n % 2)res = res * a;
return res;
}
//(Eucledean algorithm)
ll inv(ll a, ll p) {
return (a == 1 ? 1 : (1 - p * inv(p%a, a)) / a + p);
}
modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }
const int max_n = 1 << 18;
modint fact[max_n], factinv[max_n];
void init_f() {
fact[0] = modint(1);
for (int i = 0; i < max_n - 1; i++) {
fact[i + 1] = fact[i] * modint(i + 1);
}
factinv[max_n - 1] = modint(1) / fact[max_n - 1];
for (int i = max_n - 2; i >= 0; i--) {
factinv[i] = factinv[i + 1] * modint(i + 1);
}
}
modint comb(int a, int b) {
if (a < 0 || b < 0 || a < b)return 0;
return fact[a] * factinv[b] * factinv[a - b];
}
using mP = pair<modint, modint>;
int dx[4] = { 0,1,0,-1 };
int dy[4] = { 1,0,-1,0 };
void solve() {
ll N; cin >> N;
ll res = 1;
ll md = 1000000000000;
bool f=false;
rep1(i, N){
res *= (ll)i;
if(md <= res){
res %= md;
f = true;
}
if(res == 0) break;
}
if(res == 0) cout << "000000000000" << endl;
else {
if(f) printf("%012lld\n", res);
else cout << res << endl;
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
//cout << fixed << setprecision(10);
//init_f();
//init();
//int t; cin >> t; rep(i, t)solve();
solve();
// stop
return 0;
}
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