Submission #396111

#	Time	Username	Problem	Language	Result	Execution time	Memory
396111		oolimry	Food Court (JOI21_foodcourt)	C++17	0 / 100	1094 ms	10572 KiB

foodcourt

#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int) x.size())
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x, y) cerr << #x << " is " << x << ", " << #y << " is " << y << endl;
typedef long long lint;
typedef pair<lint, lint> ii;

const lint inf = 1234567890123456;
int n, M, Q;

struct thing{ lint v, l, r; };
inline thing merge(thing a, thing b){
	if(a.v == b.v and a.r == b.l - 1) return {a.v, a.l, b.r};
	else if(a.v > b.v) return b;
	else return a;
}
const int B = 18;
const int N = 1 << B;
struct seg{
	thing tree[2*N];
	lint lazy[2*N];
	
	inline int l(int u){ return (u<<1); }
	inline int r(int u){ return (u<<1|1); }
	inline bool has(int mask, int b){ return (mask>>b)&1; }
	seg(){
		fill(lazy,lazy+2*N,0);
		for(int i = 0;i < N;i++) tree[i] = {0,i,i};
		for(int i = N-1;i;i >>= 1) tree[i] = merge(tree[i], tree[r(i)]);
	}
	void apply(int u, lint L){
		tree[u].v += L;
		lazy[u] += L;
	}
	void push(int u){
		if(u < N){
			apply(l(u), lazy[u]);
			apply(r(u), lazy[u]);
			lazy[u] = 0;
		}
	}
	void update(int u, int s, int e, int S, int E, lint L){
		if(S <= s and e <= E){
			apply(u, L);
			return;
		}
		push(u);
		int m = (s+e)>>1;
		if(S <= m) update(l(u), s, m, S, E, L);
		if(E > m) update(r(u), m+1, e, S, E, L);
		tree[u] = merge(tree[l(u)], tree[r(u)]);
	}
	void update(int S, int E, int L){ update(1, 1, n, S, E, L); }	
	
	thing query(int u, int s, int e, int S, int E){
		push(u);
		if(S <= s and e <= E) return tree[u];
		int m = (s+e)>>1;
		if(E <= m) return query(l(u), s, m, S, E);
		else if(S > m) return query(r(u), m+1, e, S, E);
		else return merge(query(l(u), s, m, S, E), query(r(u), m+1, e, S, E));
	}
	thing query(int S, int E){ return query(1, 1, n, S, E); }	
} *root;
int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	
	cin >> n >> M >> Q;
	
	root = new seg();
		
	for(int i = 0;i < Q;i++){
		int t; cin >> t;
		if(t == 1){
			int l, r, c, k; cin >> l >> r >> c >> k;
			root->update(l,r,k);
		}
		else if(t == 2){ 
			int l, r, k; cin >> l >> r >> k;
			root->update(l,r,-k);
			
			while(true){
				thing small = root->query(1,n);
				if(small.v >= 0) break;
				root->update(small.l, small.r, -small.v);
				//show2(small.l, small.r);
			}
		}
		else{
			lint a, b; cin >> a >> b;
			thing res = root->query(a,a);
			if(res.v >= b) cout << "1\n";
			else cout << "0\n";
		}
		
		//for(int i = 1;i <= n;i++) cout << root->query(i,i).v <<  " "; cout << endl;
	}
}

• 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