oj.uz

Submission #838878

# Submission time Handle Problem Language Result Execution time Memory
838878 2023-08-28T04:24:13 Z pavement Minerals (JOI19_minerals) C++17
75 / 100
 22 ms 3400 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define mp make_pair

void Solve(int N) {
	vector<int> uniq, others;
	for (int i = 0, prv = 0; i < 2 * N; i++) {
		if (Query(i + 1) > prv) {
			uniq.pb(i);
			prv++;
		} else {
			others.pb(i);
		}
	}
	int cur_l = 0, cur_r = N - 1, prv = N;
	vector<int> lo(2 * N, 0), hi(2 * N, N - 1), mid(2 * N), ans(2 * N, -1);
	
	auto shift = [&](int new_l, int new_r) {
		int tmp_new_l = new_l, tmp_new_r = new_r;
		assert(cur_l <= cur_r);
		assert(new_l <= new_r);
		if (new_l < cur_l) {
			swap(cur_l, new_l);
			swap(cur_r, new_r);
		}
		// case 1: one range compeletely covers the other
		if (new_r <= cur_r) {
			for (int i = cur_l; i < new_l; i++) {
				prv = Query(uniq[i] + 1);
			}
			for (int i = new_r + 1; i <= cur_r; i++) {
				prv = Query(uniq[i] + 1);
			}
		} else if (cur_r < new_l) {
			// case 2: completely disjoint
			for (int i = cur_l; i <= cur_r; i++) {
				prv = Query(uniq[i] + 1);
			}
			for (int i = new_l; i <= new_r; i++) {
				prv = Query(uniq[i] + 1);
			}
		} else {
			// intersection
			for (int i = cur_l; i < new_l; i++) {
				prv = Query(uniq[i] + 1);
			}
			for (int i = cur_r + 1; i <= new_r; i++) {
				prv = Query(uniq[i] + 1);
			}
		}
		cur_l = tmp_new_l;
		cur_r = tmp_new_r;
	};
	
	function<void(int, int, vector<int>&)> go = [&](int l, int r, vector<int> &idxs) {
		if (l > r || idxs.empty()) {
			return;
		}
		int m = (l + r) / 2;
		vector<int> left_half, right_half;
		shift(0, m);
		for (auto i : idxs) {
			int ret = Query(i + 1);
			if (ret == prv) {
				ans[i] = m;
				left_half.pb(i);
			} else {
				right_half.pb(i);
			}
			prv = ret;
		}
		go(m + 1, r, right_half);
		go(l, m - 1, left_half);
	};
	
	go(0, N - 1, others);
	
	for (int i : others) {
		Answer(i + 1, uniq[ans[i]] + 1);
	}
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 4 ms 848 KB Output is correct
5 Correct 7 ms 1360 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 4 ms 848 KB Output is correct
9 Correct 7 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 1020 KB Output is correct
12 Correct 8 ms 1404 KB Output is correct
13 Correct 6 ms 1488 KB Output is correct
14 Correct 6 ms 1444 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 4 ms 848 KB Output is correct
9 Correct 7 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 1020 KB Output is correct
12 Correct 8 ms 1404 KB Output is correct
13 Correct 6 ms 1488 KB Output is correct
14 Correct 6 ms 1444 KB Output is correct
15 Correct 20 ms 3252 KB Output is correct
16 Correct 20 ms 3224 KB Output is correct
17 Correct 16 ms 3276 KB Output is correct
18 Correct 19 ms 3228 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 4 ms 848 KB Output is correct
9 Correct 7 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 1020 KB Output is correct
12 Correct 8 ms 1404 KB Output is correct
13 Correct 6 ms 1488 KB Output is correct
14 Correct 6 ms 1444 KB Output is correct
15 Correct 20 ms 3252 KB Output is correct
16 Correct 20 ms 3224 KB Output is correct
17 Correct 16 ms 3276 KB Output is correct
18 Correct 19 ms 3228 KB Output is correct
19 Correct 22 ms 3248 KB Output is correct
20 Correct 21 ms 3300 KB Output is correct
21 Correct 19 ms 3400 KB Output is correct
22 Correct 16 ms 3228 KB Output is correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 4 ms 848 KB Output is correct
9 Correct 7 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 1020 KB Output is correct
12 Correct 8 ms 1404 KB Output is correct
13 Correct 6 ms 1488 KB Output is correct
14 Correct 6 ms 1444 KB Output is correct
15 Correct 20 ms 3252 KB Output is correct
16 Correct 20 ms 3224 KB Output is correct
17 Correct 16 ms 3276 KB Output is correct
18 Correct 19 ms 3228 KB Output is correct
19 Correct 22 ms 3248 KB Output is correct
20 Correct 21 ms 3300 KB Output is correct
21 Correct 19 ms 3400 KB Output is correct
22 Correct 16 ms 3228 KB Output is correct
23 Incorrect 20 ms 3176 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 4 ms 848 KB Output is correct
9 Correct 7 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 1020 KB Output is correct
12 Correct 8 ms 1404 KB Output is correct
13 Correct 6 ms 1488 KB Output is correct
14 Correct 6 ms 1444 KB Output is correct
15 Correct 20 ms 3252 KB Output is correct
16 Correct 20 ms 3224 KB Output is correct
17 Correct 16 ms 3276 KB Output is correct
18 Correct 19 ms 3228 KB Output is correct
19 Correct 22 ms 3248 KB Output is correct
20 Correct 21 ms 3300 KB Output is correct
21 Correct 19 ms 3400 KB Output is correct
22 Correct 16 ms 3228 KB Output is correct
23 Incorrect 20 ms 3176 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 4 ms 848 KB Output is correct
9 Correct 7 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 1020 KB Output is correct
12 Correct 8 ms 1404 KB Output is correct
13 Correct 6 ms 1488 KB Output is correct
14 Correct 6 ms 1444 KB Output is correct
15 Correct 20 ms 3252 KB Output is correct
16 Correct 20 ms 3224 KB Output is correct
17 Correct 16 ms 3276 KB Output is correct
18 Correct 19 ms 3228 KB Output is correct
19 Correct 22 ms 3248 KB Output is correct
20 Correct 21 ms 3300 KB Output is correct
21 Correct 19 ms 3400 KB Output is correct
22 Correct 16 ms 3228 KB Output is correct
23 Incorrect 20 ms 3176 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 4 ms 848 KB Output is correct
9 Correct 7 ms 1360 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 1020 KB Output is correct
12 Correct 8 ms 1404 KB Output is correct
13 Correct 6 ms 1488 KB Output is correct
14 Correct 6 ms 1444 KB Output is correct
15 Correct 20 ms 3252 KB Output is correct
16 Correct 20 ms 3224 KB Output is correct
17 Correct 16 ms 3276 KB Output is correct
18 Correct 19 ms 3228 KB Output is correct
19 Correct 22 ms 3248 KB Output is correct
20 Correct 21 ms 3300 KB Output is correct
21 Correct 19 ms 3400 KB Output is correct
22 Correct 16 ms 3228 KB Output is correct
23 Incorrect 20 ms 3176 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -