제출 #94594

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
94594	2019-01-21 13:42:48	aminra	Asceticism (JOI18_asceticism)	C++14	100 / 100	41 ms	2040 KiB

asceticism

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//Smaug never desolated!!
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int MAXN = (int)1e5 + 7;
const int infint = (int)1e8 + 3;
const int MOD = (int)1e9 + 7;
const ll inf = (ll)1e18;
ll fact[MAXN], facrev[MAXN], n, k;
ll pwr(ll a, ll b)
{
  if(b == 0)
    return 1;
  if(b == 1)
    return a;
  ll c = pwr(a, b / 2);
  c = (c * c) % MOD;
  if(b % 2)
    c = (c * a) % MOD;
  return c;
}
ll inv(ll p)
{
  return pwr(p, MOD - 2);
}
ll C(ll n, ll k)
{
  ll mul = fact[n];
  mul = (mul * facrev[k]) % MOD;
 
 
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