제출 #960060

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
960060		aaron_dcoder	푸드 코트 (JOI21_foodcourt)	C++17	21 / 100	493 ms	22452 KiB

foodcourt

#define NDEBUG

#ifdef NDEBUG

#define dbg(TXT) (void)0;
#define dbgv(VAR) (void)0;
#define dbgfor if constexpr (false) for

#else

#define _GLIBCXX_DEBUG
#define dbg(TXT) cerr << TXT << "\n";
#define dbgv(VAR) cerr << #VAR << " = " << VAR <<", line "<< __LINE__ << '\n';
#define dbgfor for

#endif

#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using pll = pair<ll,ll>;
#define e0 first
#define e1 second

constexpr ll INFTY = 2e18;

struct segtree
{
	vector<ll> toadd;
	vector<ll> currfloor;

	segtree(ll n)
	{
		toadd.assign(4*n,0);
		currfloor.assign(4*n,0);
	}

	void add(ll val, ll base, ll baseforced, ll lseg, ll rseg, ll l, ll r, ll node)
	{
		currfloor[node] = max(currfloor[node],baseforced);
		if (rseg<l || r<lseg) return;

		if (lseg<=l && r<=rseg)
		{
			toadd[node]+=val;
			currfloor[node] = max(currfloor[node],base);
			currfloor[node]+=val;
			return;
		}


		ll mid = (l+r)/2;
		add(val, base-toadd[node], currfloor[node]-toadd[node], lseg, rseg, l,mid,node*2);
		add(val, base-toadd[node], currfloor[node]-toadd[node], lseg, rseg, mid+1,r,node*2+1);
		currfloor[node]=-INFTY;
	}

	ll get(ll x, ll l, ll r, ll node)
	{
		if (x<l || r<x) return 0;

		if (l==r)
		{
			//if (node==11)dbgv(currfloor[node]);
			return currfloor[node];
		}

		ll mid = (l+r)/2;
		ll o =max(toadd[node]+(get(x, l,mid,node*2)+get(x, mid+1,r,node*2+1)),currfloor[node]);
		if (o<0 && node==5){
		//	dbgv(mid+1 << r);
		//	dbgv(get(x, mid+1,r,node*2+1));
		}
		return o;
	}
};

int main()
{
	ll N,M,Q;
	cin >> N >> M >> Q;

	//if (M!=1) throw exception();

	segtree stree(N);
		dbgfor (ll i=1;i<=N;i++)
		{
			cerr << stree.get(i, 1,N,1) << " ";
		}
		dbg("");

	for (ll qno = 0; qno < Q; ++qno)
	{
		ll t;
		cin >> t;

		if (t==1)
		{
			ll l,r,c,k;
			cin >> l >> r >> c >> k;
			stree.add(k,0,-INFTY,l,r, 1,N,1);
		}
		else if (t==2)
		{
			ll l,r,k;
			cin >> l >> r >> k;
			stree.add(-k,k,-INFTY,l,r, 1,N,1);
		}
		else
		{
			assert(t==3);
			ll a,b;
			cin >> a >> b;
			if (b<=stree.get(a, 1,N,1))
			{
				cout << "1\n";
			}
			else cout << "0\n";
		}
		dbgv(qno);
		dbgfor (ll i=1;i<=N;i++)
		{
			cerr << stree.get(i, 1,N,1) << " ";
		}dbg("");


		dbgfor (ll i:stree.toadd)
		{
		//	cerr << i << " ";
		}dbg("");
		dbgfor (ll i:stree.currfloor)
		{
		//	cerr << i << " ";
		}dbg("");
	}
}

컴파일 시 표준 에러 (stderr) 메시지

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:128:14: warning: unused variable 'i' [-Wunused-variable]
  128 |   dbgfor (ll i:stree.toadd)
      |              ^
foodcourt.cpp:132:14: warning: unused variable 'i' [-Wunused-variable]
  132 |   dbgfor (ll i:stree.currfloor)
      |              ^

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