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C.cpp
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72 lines (61 loc) · 1.04 KB
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#pragma GCC optimize "trapv"
#include<bits/stdc++.h>
#define ll long long
#define fab(a,b,i) for(ll int i=a;i<b;i++)
#define pb push_back
#define db double
#define mp make_pair
#define endl "\n"
#define f first
#define se second
#define all(x) x.begin(),x.end()
#define MOD 998244353
#define quick ios_base::sync_with_stdio(false);cin.tie(NULL)
using namespace std;
int main()
{ quick;
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
ll int n ,k;
cin>>n>>k;
ll int p[n];
fab(0,n,i)
{cin>>p[i];
}
//sort(tm,tm+n,greater<int>());
ll int ans=0,ans2=1;
fab(0,k,i)
ans+=(n-i);
ll int start;
fab(0,n,i)
{
if(n-k+1<=p[i])
{start=i;
break;}
}
//cout<<start<<endl;
ll int cnt=1;
ll int kee=0;
fab(start,n,i)
{
//cout<<"i="<<i<<"\n";
kee++;
if(kee==k)
break;
cnt=1;
ll int j=i+1;
while(j<n&&p[j]<n-k+1&&kee<k)
{
cnt++;
j++;
}
//cout<<"cnt="<<cnt<<endl;
i=j-1;
ans2=(ans2*cnt)%MOD;
}
cout<<ans<<" "<<ans2%MOD;
cout<<endl;
return 0;
}