oj.uz

답안 #652808

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
652808 2022-10-24T15:20:59 Z flappybird 푸드 코트 (JOI21_foodcourt) C++17
13 / 100
 1000 ms 71332 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 251010
#define MAXS 20
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
struct node {
	ll a, b;
	node(ll a = 0, ll b = 0) :a(a), b(b) {}
};
node operator+(node& n1, node& n2) {
	node ret;
	ret.a = min(n1.a, n1.b + n2.a);
	ret.b = n1.b + n2.b;
	return ret;
}
void operator+= (node& n1, node& n2) { n1 = n1 + n2; }
void operator+=(node& n1, ll x) {
	n1.b += x;
	n1.a = min(n1.a, n1.b);
}
void operator+=(ll& x, node n1) {
	x += n1.a;
	ll ub = n1.b - n1.a;
	x = max(x, 0ll);
	x += ub;
}
typedef pair<int, ll> T;
struct segtree {
	vector<vector<T>> tree;
	vector<node> lazy;
	vector<int> l, r;
	vector<ll> rcnt;
	int s;
	int qcnt = 0;
	void init(int x = 1) {
		if (x >= s) {
			l[x] = r[x] = x - s + 1;
			return;
		}
		init(x * 2);
		init(x * 2 + 1);
		l[x] = l[x * 2];
		r[x] = r[x * 2 + 1];
	}
	segtree(int N = 0) {
		s = 1 << (int)ceil(log2(N));
		tree = vector<vector<T>>(2 * s + 1, vector<T>(1, T(0, 0ll)));
		lazy.resize(2 * s + 1);
		l.resize(2 * s + 1);
		r.resize(2 * s + 1);
		rcnt.resize(2 * s + 1);
		init();
	}
	void add(int low, int high, int t, int num, int loc = 1) {
		if (low == l[loc] && high == r[loc]) {
			tree[loc].emplace_back(t, num + tree[loc].back().second);
			return;
		}
		if (high <= r[loc * 2]) add(low, high, t, num, loc * 2);
		else if (low >= l[loc * 2 + 1]) add(low, high, t, num, loc * 2 + 1);
		else add(low, r[loc * 2], t, num, loc * 2), add(l[loc * 2 + 1], high, t, num, loc * 2 + 1);
	}
	void prop(int loc) {
		if (loc >= s) return;
		for (auto c : { loc * 2, loc * 2 + 1 }) {
			rcnt[c] += lazy[loc];
			lazy[c] += lazy[loc];
		}
		lazy[loc] = node();
	}
	void updnt(int low, int high, int num, int loc = 1) {
		prop(loc);
		if (low == l[loc] && high == r[loc]) {
			rcnt[loc] += num;
			lazy[loc] += num;
			return;
		}
		if (high <= r[loc * 2]) updnt(low, high, num, loc * 2);
		else if (low >= l[loc * 2 + 1]) updnt(low, high, num, loc * 2 + 1);
		else updnt(low, r[loc * 2], num, loc * 2), updnt(l[loc * 2 + 1], high, num, loc * 2 + 1);
		rcnt[loc] = min(rcnt[loc * 2], rcnt[loc * 2 + 1]);
	}
	ll getrcnt(int x, int loc = 1) {
		prop(loc);
		if (l[loc] == r[loc]) return rcnt[loc];
		if (x <= r[loc * 2]) return getrcnt(x, loc * 2);
		else return getrcnt(x, loc * 2 + 1);
	}
	ll gettcnt(int x, int t, int loc = 1) {
		int ind = upper_bound(tree[loc].begin(), tree[loc].end(), T(t + 1, -1)) - tree[loc].begin();
		ind--;
		ll ans;
		if (ind < 0) ans = 0;
		else ans = tree[loc][ind].second;
		if (l[loc] == r[loc]) return ans;
		if (x <= r[loc * 2]) return ans + gettcnt(x, t, loc * 2);
		else return ans + gettcnt(x, t, loc * 2 + 1);
	}
	void update(int l, int r, int t, int n) {
		add(l, r, t, n);
		updnt(l, r, n);
		qcnt++;
	}
	void remove(int l, int r, int n) { qcnt++; updnt(l, r, -n); }
	int query(int A, ll B) {
		qcnt++;
		ll nb = B + (gettcnt(A, qcnt) - getrcnt(A));
		int l, r;
		if (gettcnt(A, qcnt) < nb) return -1;
		l = 0, r = qcnt;
		while (r - l > 1) {
			int mid = (l + r + 1) / 2;
			if (gettcnt(A, mid) < nb) l = mid;
			else r = mid;
		}
		return r;
	}
};
int cn[MAX];
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int N, Q;
	cin >> N >> Q >> Q;
	segtree seg(N);
	int i;
	int t, l, r, c, k, a;
	ll b;
	for (i = 1; i <= Q; i++) {
		cin >> t;
		if (t == 1) cin >> l >> r >> c >> k, seg.update(l, r, i, k), cn[i] = c;
		if (t == 2) cin >> l >> r >> k, seg.remove(l, r, k);
		if (t == 3) {
			cin >> a >> b;
			int res = seg.query(a, b);
			if (!~res) cout << 0 << ln;
			else cout << cn[res] << ln;
		}
	}
}

Subtask #1
0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 724 KB Output is correct
2 Correct 4 ms 852 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Incorrect 1 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 724 KB Output is correct
2 Correct 4 ms 852 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Incorrect 1 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 13692 KB Output is correct
2 Correct 146 ms 14324 KB Output is correct
3 Correct 126 ms 14092 KB Output is correct
4 Correct 133 ms 14108 KB Output is correct
5 Correct 144 ms 15000 KB Output is correct
6 Correct 147 ms 15048 KB Output is correct
7 Incorrect 21 ms 1112 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1089 ms 71332 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 724 KB Output is correct
2 Correct 4 ms 852 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Incorrect 1 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 345 ms 21228 KB Output is correct
2 Correct 400 ms 22120 KB Output is correct
3 Correct 377 ms 22428 KB Output is correct
4 Correct 268 ms 19928 KB Output is correct
5 Correct 333 ms 21504 KB Output is correct
6 Correct 402 ms 23152 KB Output is correct
7 Correct 44 ms 1264 KB Output is correct
8 Correct 70 ms 1252 KB Output is correct
9 Correct 175 ms 18064 KB Output is correct
10 Correct 187 ms 20720 KB Output is correct
11 Correct 220 ms 23576 KB Output is correct
12 Correct 233 ms 23540 KB Output is correct

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 724 KB Output is correct
2 Correct 4 ms 852 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Incorrect 1 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 724 KB Output is correct
2 Correct 4 ms 852 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Incorrect 1 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -