Submission #540483

# Submission time Handle Problem Language Result Execution time Memory
540483 2022-03-20T13:39:05 Z alvingogo Food Court (JOI21_foodcourt) C++14
0 / 100
272 ms 83112 KB
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define cd complex<double>
#define p_q priority_queue
#define int long long
using namespace std;

typedef pair<int,int> pii;
struct BIT{
	int n;
	vector<int> bt;
	void init(int nn){
		n=nn;
		bt.resize(n);
	}
	void update(int x,int y){
		x++;
		for(;x<=n;x+=(x&-x)){
			bt[x]+=y;
		}
	}
	int query(int x){
		x++;
		int ans=0;
		for(;x>0;x-=(x&-x)){
			ans+=bt[x];
		}
		return ans;
	}
};
struct qu{
	int t;
	int l,r,c,k;
	int ans=-1;
};
vector<qu> vq;
struct DS{
	struct no{
		vector<int> tag;
		int cnt=0;
	};
	vector<no> st;
	vector<int> kk;
	void init(int n){
		st.resize(4*n);
		kk.resize(n);
	}
	void upd(int v,int x){
		while(st[v].tag.size()){
			int y=st[v].tag.back();
			if(y<0 && x>0){
				break;
			}
			if(y>0 && x<0){
				st[v].cnt+=min(abs(y),abs(x));
				x+=y;
			}
			else{
				x+=y;
			}
			st[v].tag.pop_back();
		}
		if(x!=0){
			st[v].tag.push_back(x);
		}
	}
	void pudo(int v){
		st[2*v+1].cnt+=st[v].cnt;
		st[2*v+2].cnt+=st[v].cnt;
		for(auto y:st[v].tag){
			upd(2*v+1,y);
			upd(2*v+2,y);
		}
		st[v].cnt=0;
		st[v].tag.clear();
	}
	void update(int v,int L,int R,int l,int r,int k){
		if(l==L && r==R){
			upd(v,k);
			return;
		}
		pudo(v);
		int m=(L+R)/2;
		if(r<=m){
			update(2*v+1,L,m,l,r,k);
		}
		else if(l>m){
			update(2*v+2,m+1,R,l,r,k);
		}
		else{
			update(2*v+1,L,m,l,m,k);
			update(2*v+2,m+1,R,m+1,r,k);
		}
	}
	int query(int v,int L,int R,int pos){
		if(L==R){
			for(auto h:st[v].tag){
				if(h*kk[L]<0){
					st[v].cnt+=min(abs(h),abs(kk[L]));
				}
				kk[L]+=h;
				kk[L]=max(kk[L],0ll);
			}
			st[v].tag.clear();
			return st[v].cnt;
		}
		pudo(v);
		int m=(L+R)/2;
		if(pos<=m){
			return query(2*v+1,L,m,pos);
		}
		else{
			return query(2*v+2,m+1,R,pos);
		}
	}
	void pre(int n){
		for(auto &h:vq){
			if(h.t==1){
				update(0,0,n-1,h.l,h.r,h.k);
			}
			else if(h.t==2){
				assert(0);
				update(0,0,n-1,h.l,h.r,-h.k);
			}
			else{
				int p=query(0,0,n-1,h.c);
				//assert(p==0);
				h.k+=p;
			}
		}
	}
};
struct Q13{
	struct upd{
		int t,u,k;
	};
	vector<vector<int> > qq;
	BIT bt;
	vector<vector<upd> > st;
	map<int,int> s;
	void init(int n,int q){
		bt.init(q+10);
		st.resize(4*n);
		qq.resize(n);
	}
	void update(int v,int L,int R,int l,int r,upd a){
		if(l==L && r==R){
			st[v].push_back(a);
			return;
		}
		int m=(L+R)/2;
		if(r<=m){
			update(2*v+1,L,m,l,r,a);
		}
		else if(l>m){
			update(2*v+2,m+1,R,l,r,a);
		}
		else{
			update(2*v+1,L,m,l,m,a);
			update(2*v+2,m+1,R,m+1,r,a);
		}
	}
	void trav(int v,int L,int R){
		for(auto h:st[v]){
			bt.update(h.t,h.k);
			s[h.t]=h.u;
		}
		if(L==R){
			for(auto h:qq[L]){
				int l=0,r=vq[h].l-1;
				while(r>l){
					int m=(l+r+1)/2;
					if(bt.query(m)<vq[h].k){
						l=m;
					}
					else{
						r=m-1;
					}
				}
				if(bt.query(l+1)<vq[h].k){
					vq[h].ans=0;
				}
				else{
					vq[h].ans=(*s.upper_bound(l)).sc;
				}
			}
		}
		else{
			int m=(L+R)/2;
			trav(2*v+1,L,m);
			trav(2*v+2,m+1,R);
		}
		for(auto h:st[v]){
			bt.update(h.t,-h.k);
			s.erase(h.t);
		}
	}
	void solve(int n,int q){
		for(int i=0;i<q;i++){
			if(vq[i].t==1){
				update(0,0,n-1,vq[i].l,vq[i].r,{i+1,vq[i].c,vq[i].k});
			}
			else if(vq[i].t==3){
				qq[vq[i].c].push_back(i);
			}
		}
		trav(0,0,n-1);
		for(int i=0;i<q;i++){
			if(vq[i].t==3){
				cout << vq[i].ans << "\n";
			}
		}
	}
};
signed main(){
	AquA;
	int n,m,q;
	cin >> n >> m >> q;
	vq.resize(q);
	for(int i=0;i<q;i++){
		cin >> vq[i].t;
		if(vq[i].t==1){
			cin >> vq[i].l >> vq[i].r >> vq[i].c >> vq[i].k;
			vq[i].l--;
			vq[i].r--;
		}
		else if(vq[i].t==2){
			cin >> vq[i].l >> vq[i].r >> vq[i].k;
			vq[i].l--;
			vq[i].r--;
		}
		else{
			cin >> vq[i].c >> vq[i].k;
			vq[i].c--;
			vq[i].l=i;
		}
	}
	DS ds;
	ds.init(n);
	ds.pre(n);
	Q13 ss;
	ss.init(n,q);
	ss.solve(n,q);
	return 0;
}
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 980 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 980 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 33 ms 24376 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 121 ms 83112 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 980 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 272 ms 37384 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 980 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 980 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -