Submission #363929

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
363929	2021-02-07 14:26:09	ogibogi2004	The grade (info1cup18_thegrade)	C++14	100 / 100	410 ms	10476 KiB

thegrade

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=1e6+6;
const ll mod=1e9+7;
ll fastpow(ll x,ll p)
{
  if(p==0)return 1;
  ll t=fastpow(x,p/2);
  t*=t;t%=mod;
  if(p%2==1)t*=x;
  t%=mod;return t;
}
ll inv(ll x)
{
  return fastpow(x,mod-2);
}
ll fact[MAXN];
ll cnt[MAXN],bigX=1,cntall,sum;
ll comb(ll n,ll k)
{
  if(k>n)return 0;
  ll ret=fact[n];
  ret*=inv(fact[k]);
  ret%=mod;
  ret*=inv(fact[n-k]);
  ret%=mod;
  return ret;
}
void add(ll x)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 15 / 15
• Subtask 6: 15 / 15
• Subtask 7: 20 / 20