oj.uz

Submission #670675

# Submission time Handle Problem Language Result Execution time Memory
670675 2022-12-09T20:30:49 Z rainboy Chameleon's Love (JOI20_chameleon) C++17
100 / 100
 38 ms 380 KB 
#include "chameleon.h"
#include <vector>

using namespace std;

typedef vector<int> vi;
typedef vector<vi> vvi;

namespace C {
	const int N = 500;
	int ii[4][N * 2], cnt[4];
	int ej[N * 2 + 1][3], eo[N * 2 + 1];
	int mate[N * 2 + 1];
	void append(int i, int j) {
		ej[i][eo[i]++] = j, ej[j][eo[j]++] = i;
	}
}

void Solve(int n) {
	for (int i = 1; i <= n * 2; i++)
		for (int c = 0; c < 4; c++) {
			C::ii[c][C::cnt[c]++] = i;
			if (c == 3 || Query(vector(C::ii[c], C::ii[c] + C::cnt[c])) == C::cnt[c])
				break;
			C::cnt[c]--;
		}
	for (int a = 0; a < 4; a++)
		for (int h = 0; h < C::cnt[a]; h++) {
			int i = C::ii[a][h];
			for (int b = a + 1; b < 4; b++) {
				int l = 0;
				while (l < C::cnt[b]) {
					vi v = vector(C::ii[b] + l, C::ii[b] + C::cnt[b]); v.push_back(i);
					if (Query(v) < C::cnt[b] - l + 1) {
						int lower = l, upper = C::cnt[b];
						while (upper - lower > 1) {
							int r = (lower + upper) / 2;
							v = vector(C::ii[b] + l, C::ii[b] + r); v.push_back(i);
							if (Query(v) < r - l + 1)
								upper = r;
							else
								lower = r;
						}
						C::append(i, C::ii[b][lower]);
						l = upper;
					} else
						break;
				}
			}
		}
	for (int i = 1; i <= n * 2; i++)
		if (C::eo[i] == 1)
			C::mate[i] = C::ej[i][0];
		else {
			int tmp;
			if (Query(vector({i, C::ej[i][0], C::ej[i][2]})) == 1)
				tmp = C::ej[i][0], C::ej[i][0] = C::ej[i][1], C::ej[i][1] = tmp;
			else if (Query(vector({i, C::ej[i][0], C::ej[i][1]})) == 1)
				tmp = C::ej[i][0], C::ej[i][0] = C::ej[i][2], C::ej[i][2] = tmp;
		}
	for (int i = 1; i <= n * 2; i++)
		if (C::eo[i] > 1) {
			int j = C::ej[i][1], k = C::ej[i][2];
			C::mate[i] = C::eo[j] == 1 || C::ej[j][0] != i ? j : k;
		}
	for (int i = 1; i <= n * 2; i++)
		if (i < C::mate[i])
			Answer(i, C::mate[i]);
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 288 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 23 ms 372 KB Output is correct
4 Correct 23 ms 380 KB Output is correct
5 Correct 24 ms 352 KB Output is correct
6 Correct 23 ms 336 KB Output is correct
7 Correct 23 ms 308 KB Output is correct
8 Correct 23 ms 336 KB Output is correct
9 Correct 23 ms 380 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 336 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 1 ms 288 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 38 ms 348 KB Output is correct
4 Correct 36 ms 336 KB Output is correct
5 Correct 35 ms 300 KB Output is correct
6 Correct 36 ms 352 KB Output is correct
7 Correct 37 ms 336 KB Output is correct
8 Correct 37 ms 352 KB Output is correct
9 Correct 37 ms 372 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 288 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 23 ms 372 KB Output is correct
4 Correct 23 ms 380 KB Output is correct
5 Correct 24 ms 352 KB Output is correct
6 Correct 23 ms 336 KB Output is correct
7 Correct 23 ms 308 KB Output is correct
8 Correct 23 ms 336 KB Output is correct
9 Correct 23 ms 380 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 208 KB Output is correct
16 Correct 0 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 0 ms 208 KB Output is correct
21 Correct 1 ms 288 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 324 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 0 ms 208 KB Output is correct
29 Correct 0 ms 208 KB Output is correct
30 Correct 38 ms 348 KB Output is correct
31 Correct 36 ms 336 KB Output is correct
32 Correct 35 ms 300 KB Output is correct
33 Correct 36 ms 352 KB Output is correct
34 Correct 37 ms 336 KB Output is correct
35 Correct 37 ms 352 KB Output is correct
36 Correct 37 ms 372 KB Output is correct
37 Correct 36 ms 356 KB Output is correct
38 Correct 25 ms 368 KB Output is correct
39 Correct 36 ms 372 KB Output is correct
40 Correct 37 ms 336 KB Output is correct
41 Correct 34 ms 360 KB Output is correct
42 Correct 24 ms 336 KB Output is correct
43 Correct 37 ms 376 KB Output is correct
44 Correct 36 ms 336 KB Output is correct
45 Correct 35 ms 360 KB Output is correct