Submission #900979

#	Time	Username	Problem	Language	Result	Execution time	Memory
900979		8pete8	Zoltan (COCI16_zoltan)	C++17	140 / 140	187 ms	14424 KiB

zoltan

#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<float.h>
#include<limits.h>
#include <cassert>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric> //gcd(a,b)
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,ll>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
using namespace std;
//#define int long long
#define double long double
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
const int mod=1e9+7,mxn=2e5,lg=22,inf=1e18,minf=-1e18,Mxn=100000;
int val[mxn+10],n;
pii merg(pii a,pii b){
	if(a.f!=b.f||a.f==0||b.f==0)return max(a,b);
	else return {a.f,(b.s+a.s)%mod};
}
struct seg{
	pii seg[2*mxn+10];
	void update(int pos,pii val){
		pos+=n+1;
		seg[pos]=merg(seg[pos],val);
		for(int i=pos;i>0;i>>=1)seg[i>>1]=merg(seg[i],seg[i^1]);
	}
	pii qry(int l,int r){
		pii ans={0,0};
		for(l+=n+1,r+=n+1;l<=r;l>>=1,r>>=1){
			if(l&1)ans=merg(ans,seg[l++]);
			if(!(r&1))ans=merg(ans,seg[r--]);
		}
		return ans;
	}
	void init(){for(int i=0;i<=2*n+2;i++)seg[i]={0,1};}
}t[2];
int32_t main(){
	fastio
	cin>>n;
	vector<int>v(n);
	for(int i=0;i<n;i++)cin>>v[i],val[i]=v[i];
	sort(all(v));
	for(int i=0;i<n;i++)val[i]=lb(all(v),val[i])-v.begin()+1;
	t[0].init();
	t[1].init();
	pii ans={0,0};
	for(int i=n-1;i>=0;i--){
		pii cur=t[0].qry(0,val[i]-1),cur2=t[1].qry(val[i]+1,n+1);
		cur.f++;
		cur2.f++;
		ans=merg(ans,{cur.f+cur2.f-1,(cur.s*cur2.s)%mod});
		t[0].update(val[i],cur);
		t[1].update(val[i],cur2);
	}
	for(int i=0;i<n-ans.f;i++)ans.s=(ans.s*2)%mod;
	cout<<ans.f<<" "<<ans.s;
}

Compilation message (stderr)

zoltan.cpp:37:39: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   37 | const int mod=1e9+7,mxn=2e5,lg=22,inf=1e18,minf=-1e18,Mxn=100000;
      |                                       ^~~~
zoltan.cpp:37:49: warning: overflow in conversion from 'double' to 'int' changes value from '-1.0e+18' to '-2147483648' [-Woverflow]
   37 | const int mod=1e9+7,mxn=2e5,lg=22,inf=1e18,minf=-1e18,Mxn=100000;
      |                                                 ^~~~~

• Subtask 1: 140 / 140