제출 #656444

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
656444		PoPularPlusPlus	푸드 코트 (JOI21_foodcourt)	C++17	0 / 100	201 ms	12772 KiB

foodcourt

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long 
#define pb(e) push_back(e)
#define sv(a) sort(a.begin(),a.end())
#define sa(a,n) sort(a,a+n)
#define mp(a,b) make_pair(a,b)
#define vf first
#define vs second
#define ar array
#define all(x) x.begin(),x.end()
const int inf = 0x3f3f3f3f;
const int mod = 1000000007; 
const double PI=3.14159265358979323846264338327950288419716939937510582097494459230;
bool remender(ll a , ll b){return a%b;}

//freopen("problemname.in", "r", stdin);
//freopen("problemname.out", "w", stdout);

struct item {
	ll a , b;
};

struct Seg {
	vector<item> v;
	vector<ll> arr;
	int siz;
	
	item nutral = {0,0};
	
	item merge(item x , item y){
		ll a = min(x.b , y.a);
		y.a -= a;
		x.b -= a;
		x.a += y.a;
		x.b += y.b;
		return x;
	}
	
	void init(int n){
		siz = 1;
		while(siz < n)siz *= 2;
		
		v.assign(siz * 2 , nutral);
		arr.assign(siz * 2 , 0);
	}
	
	ll find(int i , int x , int lx , int rx){
		if(rx - lx == 1){
			arr[x] -= v[x].a;
			arr[x] = max(arr[x] , 0LL);
			arr[x] += v[x].b;
			return arr[x];
		}
		int m = (lx + rx)/2;
		v[2 * x + 1] = merge(v[2 * x + 1] , v[x]);
		v[2 * x + 2] = merge(v[2 * x + 2] , v[x]);
		v[x] = nutral;
		if(i < m){
			return find(i , 2 * x + 1 , lx , m);
		}
		else return find(i , 2 * x + 2 , m , rx);
	}
	
	ll find(int i){
		return find(i , 0 , 0 , siz);
	}
	
	void range(int l , int r , item it , int x , int lx , int rx){
		if(l >= rx || r <= lx)return;
		if(lx >= l && rx <= r){
			v[x] = merge(v[x] , it);
			return;
		}
		v[2 * x + 1] = merge(v[2 * x + 1] , v[x]);
		v[2 * x + 2] = merge(v[2 * x + 2] , v[x]);
		v[x] = nutral;
		int m = (lx + rx)/2;
		range(l , r , it , 2 * x + 1 , lx , m);
		range(l , r , it , 2 * x + 2 , m , rx);
	}
	
	void range(int l , int r , item it){
		range(l , r , it , 0 , 0 , siz);
	}
};

void solve(){
	int n , m , q;
	cin >> n >> m >> q;
	assert(m==1);
	Seg st;
	st.init(n);
	item it;
	while(q--){
		int ti;
		cin >> ti;
		if(ti == 1){
			int l , r, c , k;
			cin >> l >> r >> c >> k;
			it.a = 0;
			it.b = k;
			st.range(l-1 , r , it);
		}
		else if(ti == 2){
			int l , r , k;
			cin >> l >> r >> k;
			it.a = k;
			it.b = 0;
			st.range(l -1 , r , it);
		}
		else {
			ll a , b;
			cin >> a >> b;
			ll x = st.find(a-1);
			if(x >= b)cout << 1 << '\n';
			else cout << 0 << '\n';
		}
	}
}

int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
	//int t;cin >> t;while(t--)
	solve();
	return 0;
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 5
• Subtask 3: 0 / 7
• Subtask 4: 0 / 21
• Subtask 5: 0 / 15
• Subtask 6: 0 / 13
• Subtask 7: 0 / 26
• Subtask 8: 0 / 11