oj.uz

답안 #542754

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
542754 2022-03-27T22:01:31 Z LucaDantas 식물 비교 (IOI20_plants) C++17
27 / 100
 342 ms 12892 KB 
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;

constexpr int maxn = 1<<19;

int n, k;

struct SegmentTree {
	int tree[maxn], lazy[maxn];
	void flush(int node, int i, int j) {
		if(!lazy[node]) return;
		if(i != j) {
			lazy[node<<1] += lazy[node];
			lazy[node<<1|1] += lazy[node];
		}
		tree[node] += lazy[node];
		lazy[node] = 0;
	}
	void build(int node, int i, int j, const vector<int>& r) {
		if(i == j) return (void)(tree[node] = r[i]);
		int m = (i+j) >> 1;
		build(node<<1, i, m, r);
		build(node<<1|1, m+1, j, r);
		tree[node] = min(tree[node<<1], tree[node<<1|1]);
	}
	int find(int l, int r) {
		if(l <= r) return find(1, 0, n-1, l, r);
		int p1 = find(1, 0, n-1, l, n-1);
		if(p1 != -1) return p1;
		return find(1, 0, n-1, 0, r);
	}
	int find(int node, int i, int j, int l, int r) {
		flush(node, i, j);
		if(tree[node] > 0 || i > r || j < l) return -1;
		if(i == j) return i;
		int m = (i+j) >> 1;
		int p1 = find(node<<1, i, m, l, r);
		if(p1 != -1) return p1;
		return find(node<<1|1, m+1, j, l, r);
	}
	void upd(int l, int r, int v) {
		if(l <= r) upd(1, 0, n-1, l, r, v);
		else upd(1, 0, n-1, l, n-1, v), upd(1, 0, n-1, 0, r, v);
	}
	void upd(int node, int i, int j, int l, int r, int v) {
		flush(node, i, j);
		if(i > r || j < l) return;
		if(i >= l && j <= r) {
			lazy[node] = v;
			flush(node, i, j);
			return;
		}
		int m = (i+j) >> 1;
		upd(node<<1, i, m, l, r, v);
		upd(node<<1|1, m+1, j, l, r, v);
		tree[node] = min(tree[node<<1], tree[node<<1|1]);
	}
} seg;

int ordem[maxn];

void init(int K, std::vector<int> r) {
	n = (int)(r.size());
	k = K;
	seg.build(1, 0, n-1, r);
	for(int i = 0; i < n; i++) {
		int mn = seg.find(0, n-1);

		mn = seg.find((mn - k + 1 + n) % n, mn); // se tiver algum outro cara maximo para a frente dele mas ele estiver olhando pra mim

		ordem[mn] = i;

		seg.upd((mn - k + 1 + n) % n, mn, -1); // removo 1 de todo mundo antes de mim
		seg.upd(1, 0, n-1, mn, mn, 0x3f3f3f3f);
	}
}

int compare_plants(int x, int y) {
	return ordem[x] < ordem[y] ? 1 : -1;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 54 ms 3328 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 51 ms 3276 KB Output is correct
11 Correct 49 ms 3180 KB Output is correct
12 Correct 52 ms 3456 KB Output is correct
13 Correct 52 ms 3324 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 54 ms 3328 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 51 ms 3276 KB Output is correct
11 Correct 49 ms 3180 KB Output is correct
12 Correct 52 ms 3456 KB Output is correct
13 Correct 52 ms 3324 KB Output is correct
14 Correct 72 ms 3800 KB Output is correct
15 Correct 332 ms 9108 KB Output is correct
16 Correct 70 ms 6096 KB Output is correct
17 Correct 336 ms 12876 KB Output is correct
18 Correct 237 ms 12408 KB Output is correct
19 Correct 228 ms 12864 KB Output is correct
20 Correct 342 ms 12892 KB Output is correct

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 50 ms 3172 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -