Submission #49149

# Submission time Handle Problem Language Result Execution time Memory
49149 2018-05-22T19:42:53 Z khohko Cake (CEOI14_cake) C++17
0 / 100
2000 ms 41392 KB
#include <bits/stdc++.h>
//glhf nikabb u suck
#pragma GCC optimize("O3")
using namespace std;
#define ll int 
#define lol long long
#define pb push_back
//#define mp make_pair
#define fr first
#define sc second
#define MAX ((lol)(1e9+100))
#define MX ((lol)(4e9+100))
#define ARRS ((lol)(1e6+100))
#define ARS ((lol)(1e3+100))
#define HS ((lol)(233))
#define MOD ((lol)(1e9+9))
#define EP ((double)(1e-9))
#define EPS ((double)(1e-8))
#define pb push_back
#define PI ((double)3.141592653)
#define LG 21
using namespace std;

struct node{
	node *L,*R;
	ll x;
	node(){
		L=R=NULL;
		x=-MAX;
	}
	void updt(){
		x=-MAX;
		if(L)x=max(x,L->x);
		if(R)x=max(x,R->x);
	}
};

ll wi,wx,wl,wr;

void updt(ll l,ll r,node *& x){
	if(wi<l||r-1<wi)return;
	if(!x)x=new node();
	if(l==r-1){
		x->x=wx;
		return;
	}
	updt(l,l+r>>1,x->L);
	updt(l+r>>1,r,x->R);
	x->updt();
}


ll quer(ll l,ll r,node *& x){
	if(wr<l||r-1<wl)return -MAX;
	if(!x)return -MAX;
	if(wl<=l&&r-1<=wr)return x->x;
	return max(quer(l,l+r>>1,x->L),quer(l+r>>1,r,x->R));
}

ll quer1(ll l,ll r,node *& x){
	if(wr<l||r-1<wl)return MAX;
	if(!x)return MAX;
	if(wl<=l&&r-1<=wr){
		if(x->x<wx)return MAX;
		if(l==r-1)return l; 
		else if(x->L->x>=wx)
			return quer1(l,l+r>>1,x->L);
		else return quer1(l+r>>1,r,x->R);
	}
	return min(quer1(l,l+r>>1,x->L),quer1(l+r>>1,r,x->R));
}


ll quer2(ll l,ll r,node *& x){
	if(wr<l||r-1<wl)return -MAX;
	if(!x)return -MAX;
	if(wl<=l&&r-1<=wr){
		if(l==r-1)return l; 
		//cout<<l<<" "<<r<<" "<<x->R->x<<" < "<<wx<<endl;
		if(x->R->x>=wx)
		 return quer2(l+r>>1,r,x->R);
		else return quer2(l,l+r>>1,x->L);
	}
	return max(quer2(l,l+r>>1,x->L),quer2(l+r>>1,r,x->R));
}
ll C;

node *rt=NULL;
set<pair<ll,ll> > st;
stack<pair<ll,ll> > sk;
ll n,s;

void add(ll i){
	wx=++C;
	wi=i;
	updt(0,n,rt);
	st.insert({wx,i});
}

int main(){
	ios::sync_with_stdio(0);
	cin>>n>>s;
	n+=2;
	for(int i=1; i<=n-2; i++){
		cin>>wx;
		wi=i;
		updt(0,n,rt);
		st.insert({wx,i});
	}

	wi=0;
	wx=MAX;
	updt(0,n,rt);
	wi=n-1;
	updt(0,n,rt);

	ll qr;
	char q;
	C=n+2;
	cin>>qr;
	while(qr--){
		cin>>q;
		if(q=='F'){
			ll x;
			cin>>x;
			if(x==s)
				cout<<0<<endl;
			else if(x<s){
				wl=x;
				wr=s-1;
				wx=quer(0,n,rt);
				wl=s+1;
				wr=MAX;
				ll t=quer1(0,n,rt);
				//cout<<x<<" -> "<<t<<" "<<wx<<" "<<x<<" "<<s-1<<endl;
				cout<<t-x-1<<endl;
			}
			else {
				wl=s+1;
				wr=x;
				wx=quer(0,n,rt);
				wl=-MAX;
				wr=s-1;
				ll t=quer2(0,n,rt);
				//cout<<x<<" -> "<<t<<" "<<wx<<" "<<x<<" "<<s-1<<endl;
				cout<<x-t-1<<endl;
			}
		}
		else {
			ll i,c;
			cin>>i>>c;
			c--;
			while(c--){
				sk.push((*--st.end()));
				st.erase(--st.end());
			}
			add(i);
			while(sk.size()){
				auto k=sk.top();
				sk.pop();
				add(k.sc);
			}
		}
	}



}

Compilation message

cake.cpp: In function 'void updt(int, int, node*&)':
cake.cpp:47:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  updt(l,l+r>>1,x->L);
         ~^~
cake.cpp:48:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  updt(l+r>>1,r,x->R);
       ~^~
cake.cpp: In function 'int quer(int, int, node*&)':
cake.cpp:57:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  return max(quer(l,l+r>>1,x->L),quer(l+r>>1,r,x->R));
                    ~^~
cake.cpp:57:39: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  return max(quer(l,l+r>>1,x->L),quer(l+r>>1,r,x->R));
                                      ~^~
cake.cpp: In function 'int quer1(int, int, node*&)':
cake.cpp:67:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    return quer1(l,l+r>>1,x->L);
                   ~^~
cake.cpp:68:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   else return quer1(l+r>>1,r,x->R);
                     ~^~
cake.cpp:70:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  return min(quer1(l,l+r>>1,x->L),quer1(l+r>>1,r,x->R));
                     ~^~
cake.cpp:70:41: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  return min(quer1(l,l+r>>1,x->L),quer1(l+r>>1,r,x->R));
                                        ~^~
cake.cpp: In function 'int quer2(int, int, node*&)':
cake.cpp:81:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    return quer2(l+r>>1,r,x->R);
                 ~^~
cake.cpp:82:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   else return quer2(l,l+r>>1,x->L);
                       ~^~
cake.cpp:84:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  return max(quer2(l,l+r>>1,x->L),quer2(l+r>>1,r,x->R));
                     ~^~
cake.cpp:84:41: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  return max(quer2(l,l+r>>1,x->L),quer2(l+r>>1,r,x->R));
                                        ~^~
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1144 ms 24944 KB Output isn't correct
2 Incorrect 580 ms 24996 KB Output isn't correct
3 Incorrect 617 ms 25164 KB Output isn't correct
4 Correct 353 ms 25164 KB Output is correct
5 Incorrect 1030 ms 26684 KB Output isn't correct
6 Incorrect 861 ms 26748 KB Output isn't correct
7 Incorrect 736 ms 26816 KB Output isn't correct
8 Correct 407 ms 26816 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 412 ms 26816 KB Output isn't correct
2 Correct 304 ms 26816 KB Output is correct
3 Correct 286 ms 26816 KB Output is correct
4 Incorrect 2 ms 26816 KB Output isn't correct
5 Incorrect 759 ms 28684 KB Output isn't correct
6 Incorrect 699 ms 28812 KB Output isn't correct
7 Incorrect 380 ms 28812 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 117 ms 28812 KB Output isn't correct
2 Incorrect 93 ms 28812 KB Output isn't correct
3 Incorrect 244 ms 28812 KB Output isn't correct
4 Incorrect 262 ms 28812 KB Output isn't correct
5 Incorrect 344 ms 28812 KB Output isn't correct
6 Incorrect 439 ms 28812 KB Output isn't correct
7 Incorrect 396 ms 28812 KB Output isn't correct
8 Incorrect 451 ms 28812 KB Output isn't correct
9 Execution timed out 2053 ms 40216 KB Time limit exceeded
10 Incorrect 1258 ms 40216 KB Output isn't correct
11 Incorrect 1683 ms 40216 KB Output isn't correct
12 Execution timed out 2076 ms 40216 KB Time limit exceeded
13 Execution timed out 2021 ms 41392 KB Time limit exceeded