oj.uz

답안 #422059

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
422059 2021-06-09T16:46:03 Z errorgorn 푸드 코트 (JOI21_foodcourt) C++17
0 / 100
 608 ms 54956 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (auto x=s-(s>e);x!=e-(s>e);s<e?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll INF=1e18;

struct node{
	int s,e,m;
	ll val=0,lazy=0;
	node *l,*r;
	
	node (int _s,int _e){
		s=_s,e=_e,m=s+e>>1;
		
		if (s!=e){
			l=new node(s,m);
			r=new node(m+1,e);
		}
	}
	
	void propo(){
		if (lazy){
			val+=lazy;
			if (s!=e){
				l->lazy+=lazy;
				r->lazy+=lazy;
			}
			lazy=0;
		}
	}
	
	void update(int i,int j,int k){
		if (s==i && e==j) lazy+=k;
		else{
			if (j<=m) l->update(i,j,k);
			else if (m<i) r->update(i,j,k);
			else l->update(i,m,k),r->update(m+1,j,k);
			
			l->propo(),r->propo();
			val=min(l->val,r->val);
		}
	}
	
	ll query(int i,int j){
		propo();
		
		if (s==i && e==j) return val;
		else if (j<=m) return l->query(i,j);
		else if (m<i) return r->query(i,j);
		else return min(l->query(i,m),r->query(m+1,j));
	}
} *root=new node(0,250005);

struct upd{
	ll pos,t;
	ll num;
};

int n,m,q;
vector<upd> u;
vector<ii> qu[250005]; //(length,time)

int ans[250005];

int main(){
	cin.tie(0);
	cout.tie(0);
	cin.sync_with_stdio(false);
	
	memset(ans,-1,sizeof(ans));
	
	cin>>n>>m>>q;
	
	ll a,b,c,d;
	rep(x,0,q){
		cin>>a;
		
		if (a==1){
			cin>>a>>b>>c>>d;
			
			u.pub(upd({a,x,d}));
			u.pub(upd({b+1,x,-d}));
		}
		else if (a==2){
			cin>>a>>b>>c;
		
			u.pub(upd({a,x,-c}));
			u.pub(upd({b+1,x,c}));
		}
		else{
			cin>>a>>b;
			qu[a].pub(ii(b,x));
		}
	}
	
	sort(all(u),[](upd i,upd j){
		return i.pos>j.pos;
	});
	
	rep(x,1,n+1){
		while (!u.empty() && u.back().pos==x){
			//cout<<"update: "<<u.back().t<<" "<<u.back().num<<endl;
			root->update(u.back().t,250005,u.back().num);
			u.pob();
		}
		
		for (auto &it:qu[x]){
			ll num=root->query(it.se,it.se)-root->query(0,it.se);
			
			if (num<it.fi) ans[it.se]=0;
			else ans[it.se]=1;
		}
	}
	
	rep(x,0,q) if (ans[x]!=-1) cout<<ans[x]<<endl;
}

Compilation message

foodcourt.cpp: In constructor 'node::node(int, int)':
foodcourt.cpp:31:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |   s=_s,e=_e,m=s+e>>1;
      |               ~^~

Subtask #1
0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 30 ms 38572 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 30 ms 38572 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 129 ms 41952 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 539 ms 54956 KB Output is correct
2 Correct 425 ms 47724 KB Output is correct
3 Correct 608 ms 54660 KB Output is correct
4 Correct 427 ms 53564 KB Output is correct
5 Incorrect 472 ms 53712 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 30 ms 38572 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 121 ms 42132 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 30 ms 38572 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 30 ms 38572 KB Output isn't correct
2 Halted 0 ms 0 KB -