oj.uz

답안 #915509

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
915509 2024-01-24T05:31:04 Z vjudge1 Simple game (IZhO17_game) C++17
100 / 100
 301 ms 40016 KB 
/*#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")*/
#include <bits/stdc++.h>
using namespace std;
#define ll long long int
ll n,m,k,cnt;
ll t[4000010],add[4000010];
ll a[1000010];
void push(ll v, ll tl, ll tr)
{
	if(add[v]!=0)
	{
		add[v+v]+=add[v];
		add[v+v+1]+=add[v];
		
		ll tm=(tl+tr)>>1;
		t[v+v]+=(tm-tl+1)*add[v];
		t[v+v+1]+=(tr-tm)*add[v];
		
		add[v]=0;
	}
}
void upd(ll v,ll tl,ll tr,ll l,ll r,ll val)
{
	//cout<<v<<" "<<tl<<" "<<tr<<" "<<l<<" "<<r<<" "<<val<<"\n";
	if(tl>tr || l>r)
	{
		return;
	}
	if(tl==l && tr==r)
	{
		t[v]+=(tr-tl+1)*val;
		add[v]+=val;
		return;
	}
	push(v,tl,tr);
	ll tm=(tl+tr)>>1;
	upd(v+v,tl,tm,l,min(r,tm),val);
	upd(v+v+1,tm+1,tr,max(tm+1,l),r,val);
	t[v]=t[v+v]+t[v+v+1];
}
ll get(ll v,ll tl,ll tr,ll pos)
{
	if(tl==tr)
	{
		return t[v];
	}
	push(v,tl,tr);
	ll tm=(tl+tr)>>1;
	if(tm>=pos)
	{
		return get(v+v,tl,tm,pos);
	}
	else
	{
		return get(v+v+1,tm+1,tr,pos);
	}
}
void anomalous_solve()
{
	cin>>n>>m;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
	}
	for(int i=1;i<n;i++)
	{
		//cout<<min(a[i],a[i+1])<<" "<<max(a[i],a[i+1])<<"\n";
		upd(1,1,1000000,min(a[i],a[i+1]),max(a[i],a[i+1]),1);
	}
	//cout<<"-------------------------\n";
	ll tp,pos,val,h;
	while(m--)
	{
		cin>>tp;
		if(tp==1)
		{
			cin>>pos>>val;
			if(pos<n)upd(1,1,1000000,min(a[pos],a[pos+1]),max(a[pos],a[pos+1]),-1);
			if(pos>1)upd(1,1,1000000,min(a[pos],a[pos-1]),max(a[pos],a[pos-1]),-1);
			a[pos]=val;
			if(pos<n)upd(1,1,1000000,min(a[pos],a[pos+1]),max(a[pos],a[pos+1]),1);
			if(pos>1)upd(1,1,1000000,min(a[pos],a[pos-1]),max(a[pos],a[pos-1]),1);
		}
		else
		{
			cin>>h;
			cout<<get(1,1,1000000,h)<<"\n";
		}
	}
}
int main()
{
	//freopen("INPUT.txt","r",stdin);
	//freopen("OUTPUT.txt","w",stdout);

	ios_base::sync_with_stdio();
    cin.tie(NULL);
    cout.tie(NULL);

    ll test=1;
	//cin>>test;
    for(int pos=1;pos<=test;pos++)
    	anomalous_solve();
}

Subtask #1
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10584 KB Output is correct
2 Correct 10 ms 35676 KB Output is correct
3 Correct 10 ms 35208 KB Output is correct
4 Correct 11 ms 35676 KB Output is correct
5 Correct 9 ms 35676 KB Output is correct
6 Correct 14 ms 35164 KB Output is correct
7 Correct 6 ms 37212 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10584 KB Output is correct
2 Correct 10 ms 35676 KB Output is correct
3 Correct 10 ms 35208 KB Output is correct
4 Correct 11 ms 35676 KB Output is correct
5 Correct 9 ms 35676 KB Output is correct
6 Correct 14 ms 35164 KB Output is correct
7 Correct 6 ms 37212 KB Output is correct
8 Correct 71 ms 14992 KB Output is correct
9 Correct 169 ms 38484 KB Output is correct
10 Correct 183 ms 38612 KB Output is correct
11 Correct 63 ms 13488 KB Output is correct
12 Correct 104 ms 17824 KB Output is correct
13 Correct 94 ms 40016 KB Output is correct

Subtask #3
51.0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10584 KB Output is correct
2 Correct 10 ms 35676 KB Output is correct
3 Correct 10 ms 35208 KB Output is correct
4 Correct 11 ms 35676 KB Output is correct
5 Correct 9 ms 35676 KB Output is correct
6 Correct 14 ms 35164 KB Output is correct
7 Correct 6 ms 37212 KB Output is correct
8 Correct 71 ms 14992 KB Output is correct
9 Correct 169 ms 38484 KB Output is correct
10 Correct 183 ms 38612 KB Output is correct
11 Correct 63 ms 13488 KB Output is correct
12 Correct 104 ms 17824 KB Output is correct
13 Correct 94 ms 40016 KB Output is correct
14 Correct 301 ms 38228 KB Output is correct
15 Correct 294 ms 38368 KB Output is correct
16 Correct 300 ms 38276 KB Output is correct
17 Correct 296 ms 38312 KB Output is correct
18 Correct 300 ms 38224 KB Output is correct