oj.uz

답안 #1078573

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1078573 2024-08-27T21:29:16 Z brun0matheus Happiness (Balkan15_HAPPINESS) C++14
100 / 100
 1047 ms 400840 KB 
// https://oj.uz/problem/view/Balkan15_HAPPINESS
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pii;
typedef long double ld;
typedef vector<ll> vi;
typedef vector<pii> vpi;

const ll maxn = 2e5 + 10;
const ll inf = LLONG_MAX;

#define pb push_back
#define ppb pop_back 
#define ff first
#define ss second 
#define sza(x) ((int)(x).size())
#define all(a) (a).begin(), (a).end()
#define smax(s, v) s = max(s, (v))
#define smin(s, v) s = min(s, (v))

#define FF(i, n) for(int i = 0; i < (n); i++)
#define FF1(i, n) for(int i = 1; i <= (n); i++)
#define FFZ(i, v) FF(i, sza(v))
#define FFS(i, s, n) for(int i = s; i <= (n); i++)
#define FFD(i, n) for(int i = (n)-1; i >= 0; i--)

#define F(n) FF(i, n)
#define F1(n) FF1(i, n)
#define FZ(v) FFZ(i, v)
#define FS(s, n) FFS(i, s, n)
#define FD(n) FFD(i, n)

template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << "(" << p.ff << ", " << p.ss << ")"; }
template<typename A> ostream& operator<<(ostream& os, const vector<A>& v) { os << "["; for(const auto& x: v) os << x << ", "; return os << "]"; }

//#define LOCAL
#ifdef LOCAL
void dbg_out() { cerr << endl; }
template<typename H, typename... T> void dbg_out(H h, T... t) { cerr << " " << h; dbg_out(t...); }
#define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif

#ifndef LOCAL
#include "happiness.h"
#endif

ll n, m, p, q, k;

// 1 indexado
// Note que EL, ER mudaram um pouco

#define EL dt[i].i, l, (l + r) / 2
#define ER dt[i].i+1, (l + r) / 2 + 1, r
#define INI 0, 1, n

struct Node {
	// cnt eh util so para folha
    ll sum, rem;
	int i, cnt;

    Node() : i(0), sum(0), rem(0), cnt(0) {}
	void merge(Node l, Node r) {
		sum = l.sum + r.sum;
		rem = max(l.rem, r.rem - l.sum);
	}
	
	void update(ll v, int d) {
		cnt += d;
		sum = v * cnt;

		if(cnt == 0) rem = 0;
		else rem = v-1;
	}
};

struct Seg {
	vector<Node> dt;

	Seg() { dt.pb(Node()); }
	
	// Cuidado se for fazer lazy, tem que verificar se nao eh folha antes
	inline void extend(int i) {		
		if(dt[i].i == 0) {
			dt[i].i = sza(dt);
			dt.pb(Node());
			dt.pb(Node());

			//dbg("Extend", v->i, v->i+1);
		}
	}

	void update(ll pos, ll x, int i, ll l, ll r) {
		//dbg("Upd in", pos, x, l, r, v);
		
		if(r < pos || l > pos) {
			//dbg("Fora");
			return; }
		if(l == r) {
			dt[i].update(r, x);
			//			dbg("Folha", v->cnt, v->sum, v->rem);
			return;
		}
		
		extend(i);

		/*if(l == 1 && r == 8) {
			dbg("Left addr", &(dt[v->i]));
			}*/
		
		update(pos, x, EL); update(pos, x, ER);
		dt[i].merge(dt[dt[i].i], dt[dt[i].i + 1]);

		/*if(l == 1 && r == 8) {
			dbg("Left", v->i, &(dt[v->i]), dt[v->i].sum, dt[v->i].rem);
			dbg("Right", v->i, dt[v->i+1].sum, dt[v->i+1].rem);
			}*/
		
		//dbg("Merge", l, r, v->sum, v->rem, v->i, v);
	}
};

Seg seg;

bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
	n = maxCoinSize;
	
	F(coinsCount) seg.update(coins[i], 1, INI);
	return seg.dt[0].rem == 0;
}

bool is_happy(int event, int coinsCount, long long coins[]) {
	F(coinsCount) seg.update(coins[i], event, INI);
	return seg.dt[0].rem == 0;
}


#ifdef LOCAL
ll _coins[maxn];
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

	ll n, m, q;
	cin >> n >> m;
	F(n) cin >> _coins[i];

	cout << init(n, m, _coins) << '\n';
	
	cin >> q;
	FF(__i, q) {
		ll d, k;
		cin >> d >> k;
		F(k) cin >> _coins[i];
		cout << is_happy(d, k, _coins) << "\n";
	}
}
#endif

Compilation message

happiness.cpp: In constructor 'Node::Node()':
happiness.cpp:64:6: warning: 'Node::i' will be initialized after [-Wreorder]
   64 |  int i, cnt;
      |      ^
happiness.cpp:63:8: warning:   'll Node::sum' [-Wreorder]
   63 |     ll sum, rem;
      |        ^~~
happiness.cpp:66:5: warning:   when initialized here [-Wreorder]
   66 |     Node() : i(0), sum(0), rem(0), cnt(0) {}
      |     ^~~~
grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 2004 KB Output is correct
7 Correct 5 ms 3544 KB Output is correct
8 Correct 31 ms 25272 KB Output is correct
9 Correct 33 ms 25464 KB Output is correct
10 Correct 27 ms 25272 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 229 ms 50560 KB Output is correct
7 Correct 228 ms 25848 KB Output is correct
8 Correct 214 ms 50564 KB Output is correct
9 Correct 355 ms 50568 KB Output is correct
10 Correct 351 ms 50728 KB Output is correct
11 Correct 151 ms 25148 KB Output is correct
12 Correct 169 ms 25328 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 2004 KB Output is correct
7 Correct 5 ms 3544 KB Output is correct
8 Correct 31 ms 25272 KB Output is correct
9 Correct 33 ms 25464 KB Output is correct
10 Correct 27 ms 25272 KB Output is correct
11 Correct 229 ms 50560 KB Output is correct
12 Correct 228 ms 25848 KB Output is correct
13 Correct 214 ms 50564 KB Output is correct
14 Correct 355 ms 50568 KB Output is correct
15 Correct 351 ms 50728 KB Output is correct
16 Correct 151 ms 25148 KB Output is correct
17 Correct 169 ms 25328 KB Output is correct
18 Correct 727 ms 400532 KB Output is correct
19 Correct 722 ms 400408 KB Output is correct
20 Correct 1047 ms 399248 KB Output is correct
21 Correct 590 ms 199556 KB Output is correct
22 Correct 278 ms 29868 KB Output is correct
23 Correct 272 ms 29864 KB Output is correct
24 Correct 686 ms 400840 KB Output is correct