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Submission #770864

# Submission time Handle Problem Language Result Execution time Memory
770864 2023-07-02T05:07:43 Z SanguineChameleon Comparing Plants (IOI20_plants) C++17
27 / 100
 217 ms 13232 KB 
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;

const int maxn = 2e5 + 20;
const int inf = 1e9 + 20;
int a[maxn];
pair<int, int> tree[maxn * 4];
int lazy[maxn * 4];
int pos[maxn];
int n, k;

bool cmp(pair<int, int> p1, pair<int, int> p2) {
	if (p1.first != p2.first) {
		return p1.first < p2.first;
	}
	else if (p1.second < p2.second && p2.second - p1.second + 1 <= k) {
		return true;
	}
	else if (p1.second > p2.second && n - (p1.second - p2.second - 1) <= k) {
		return true;
	}
	else {
		return false;
	}
}

void build(int id, int lt, int rt) {
	if (lt == rt) {
		tree[id] = make_pair(a[lt], lt);
		return;
	}
	int mt = (lt + rt) / 2;
	build(id * 2, lt, mt);
	build(id * 2 + 1, mt + 1, rt);
	tree[id] = min(tree[id * 2], tree[id * 2 + 1], cmp);
}

void update(int id, int lt, int rt, int ql, int qr, int add) {
	if (lt == ql && rt == qr) {
		tree[id].first += add;
		lazy[id] += add;
		return;
	}
	tree[id * 2].first += lazy[id];
	lazy[id * 2] += lazy[id];
	tree[id * 2 + 1].first += lazy[id];
	lazy[id * 2 + 1] += lazy[id];
	lazy[id] = 0;
	int mt = (lt + rt) / 2;
	if (qr <= mt) {
		update(id * 2, lt, mt, ql, qr, add);
	}
	else if (ql >= mt + 1) {
		update(id * 2 + 1, mt + 1, rt, ql, qr, add);
	}
	else {
		update(id * 2, lt, mt, ql, mt, add);
		update(id * 2 + 1, mt + 1, rt, mt + 1, qr, add);
	}
	tree[id] = min(tree[id * 2], tree[id * 2 + 1], cmp);
}

void init(int _k, vector<int> _a) {
	n = _a.size();
	k = _k;
	for (int i = 0; i < n; i++) {
		a[i] = k - 1 - _a[i];
	}
	build(1, 0, n - 1);
	for (int i = 0; i < n; i++) {
		assert(tree[1].first == 0);
		int rt = tree[1].second;
		int lt = (rt + n - (k - 1)) % n;
		pos[rt] = i;
		update(1, 0, n - 1, rt, rt, inf);
		if (lt <= rt) {
			update(1, 0, n - 1, lt, rt, -1);
		}
		else {
			update(1, 0, n - 1, lt, n - 1, -1);
			update(1, 0, n - 1, 0, rt, -1);
		}
	}
	return;
}

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

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Runtime error 1 ms 468 KB Execution killed with signal 6
4 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 308 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 58 ms 3708 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 40 ms 3672 KB Output is correct
11 Correct 42 ms 3508 KB Output is correct
12 Correct 40 ms 3804 KB Output is correct
13 Correct 50 ms 3700 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 308 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 58 ms 3708 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 40 ms 3672 KB Output is correct
11 Correct 42 ms 3508 KB Output is correct
12 Correct 40 ms 3804 KB Output is correct
13 Correct 50 ms 3700 KB Output is correct
14 Correct 65 ms 4520 KB Output is correct
15 Correct 211 ms 12236 KB Output is correct
16 Correct 56 ms 5448 KB Output is correct
17 Correct 215 ms 13232 KB Output is correct
18 Correct 158 ms 13172 KB Output is correct
19 Correct 169 ms 13116 KB Output is correct
20 Correct 217 ms 13232 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Runtime error 1 ms 432 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 0 ms 312 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Incorrect 1 ms 304 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Runtime error 1 ms 468 KB Execution killed with signal 6
4 Halted 0 ms 0 KB -