답안 #585358

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
585358 2022-06-28T17:46:20 Z rainboy 게임 (APIO22_game) C++17
100 / 100
1363 ms 122448 KB
/* https://codeforces.com/blog/entry/91608 */
#include "game.h"
#include <stdlib.h>

const int N = 300000;

int *ej[N], eo[N], *fi[N], fo[N], ll[N], rr[N], n, k;

void append(int **ej, int *eo, int i, int j) {
	int o = eo[i]++;
	if (o >= 2 && (o & o - 1) == 0)
		ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
	ej[i][o] = j;
}

void init(int n_, int k_) {
	n = n_, k = k_;
	for (int i = 0; i < n; i++) {
		ej[i] = (int *) malloc(2 * sizeof *ej[i]);
		fi[i] = (int *) malloc(2 * sizeof *fi[i]);
	}
	for (int i = 0; i < n; i++)
		if (i < k)
			ll[i] = rr[i] = i;
		else
			ll[i] = -1, rr[i] = k;
}

int add(int i, int j) {
	int m, o;

	if (rr[i] < ll[j])
		return 0;
	if (rr[j] < ll[i])
		return 1;
	if (ll[i] == ll[j] && rr[i] == rr[j])
		return 0;
	if (ll[i] <= ll[j] && rr[j] <= rr[i]) {
		m = ll[i] + (rr[i] - ll[i]) / 2;
		if (rr[j] > m)
			return 0;
		rr[i] = m;
		if (i >= k && ll[i] == rr[i])
			return 1;
		for (o = eo[i]; o--; ) {
			int v = ej[i][o];

			if (add(i, v))
				return 1;
		}
		for (o = fo[i]; o--; ) {
			int u = fi[i][o];

			if (add(u, i))
				return 1;
		}
		return add(i, j);
	} else {
		m = ll[j] + (rr[j] - ll[j]) / 2;
		if (ll[i] <= m)
			return 0;
		ll[j] = m + 1;
		if (j >= k && ll[j] == rr[j])
			return 1;
		for (o = eo[j]; o--; ) {
			int v = ej[j][o];

			if (add(j, v))
				return 1;
		}
		for (o = fo[j]; o--; ) {
			int u = fi[j][o];

			if (add(u, j))
				return 1;
		}
		return add(i, j);
	}
}

int add_teleporter(int i, int j) {
	if (i == j)
		return i < k;
	if (add(i, j))
		return 1;
	append(ej, eo, i, j), append(fi, fo, j, i);
	return 0;
}

Compilation message

game.cpp: In function 'void append(int**, int*, int, int)':
game.cpp:11:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   11 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 0 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 336 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 0 ms 336 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 0 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 336 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 0 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 0 ms 336 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 464 KB Output is correct
25 Correct 3 ms 416 KB Output is correct
26 Correct 3 ms 464 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 464 KB Output is correct
29 Correct 2 ms 464 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 0 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 336 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 0 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 0 ms 336 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 464 KB Output is correct
25 Correct 3 ms 416 KB Output is correct
26 Correct 3 ms 464 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 464 KB Output is correct
29 Correct 2 ms 464 KB Output is correct
30 Correct 13 ms 3024 KB Output is correct
31 Correct 5 ms 3100 KB Output is correct
32 Correct 26 ms 5440 KB Output is correct
33 Correct 15 ms 3132 KB Output is correct
34 Correct 40 ms 16688 KB Output is correct
35 Correct 34 ms 4680 KB Output is correct
36 Correct 30 ms 3132 KB Output is correct
37 Correct 34 ms 3128 KB Output is correct
38 Correct 28 ms 3176 KB Output is correct
39 Correct 36 ms 3256 KB Output is correct
40 Correct 25 ms 5440 KB Output is correct
41 Correct 41 ms 5076 KB Output is correct
42 Correct 27 ms 5828 KB Output is correct
43 Correct 33 ms 4392 KB Output is correct
44 Correct 38 ms 3268 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 0 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 0 ms 208 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 336 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 0 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 0 ms 336 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 464 KB Output is correct
25 Correct 3 ms 416 KB Output is correct
26 Correct 3 ms 464 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 464 KB Output is correct
29 Correct 2 ms 464 KB Output is correct
30 Correct 13 ms 3024 KB Output is correct
31 Correct 5 ms 3100 KB Output is correct
32 Correct 26 ms 5440 KB Output is correct
33 Correct 15 ms 3132 KB Output is correct
34 Correct 40 ms 16688 KB Output is correct
35 Correct 34 ms 4680 KB Output is correct
36 Correct 30 ms 3132 KB Output is correct
37 Correct 34 ms 3128 KB Output is correct
38 Correct 28 ms 3176 KB Output is correct
39 Correct 36 ms 3256 KB Output is correct
40 Correct 25 ms 5440 KB Output is correct
41 Correct 41 ms 5076 KB Output is correct
42 Correct 27 ms 5828 KB Output is correct
43 Correct 33 ms 4392 KB Output is correct
44 Correct 38 ms 3268 KB Output is correct
45 Correct 188 ms 28432 KB Output is correct
46 Correct 24 ms 28412 KB Output is correct
47 Correct 23 ms 28360 KB Output is correct
48 Correct 276 ms 38592 KB Output is correct
49 Correct 189 ms 28444 KB Output is correct
50 Correct 557 ms 122448 KB Output is correct
51 Correct 767 ms 58252 KB Output is correct
52 Correct 516 ms 28620 KB Output is correct
53 Correct 667 ms 28752 KB Output is correct
54 Correct 783 ms 28924 KB Output is correct
55 Correct 971 ms 29264 KB Output is correct
56 Correct 1173 ms 29360 KB Output is correct
57 Correct 430 ms 29280 KB Output is correct
58 Correct 460 ms 29388 KB Output is correct
59 Correct 449 ms 29316 KB Output is correct
60 Correct 520 ms 29528 KB Output is correct
61 Correct 685 ms 29204 KB Output is correct
62 Correct 437 ms 40536 KB Output is correct
63 Correct 386 ms 40604 KB Output is correct
64 Correct 1040 ms 65032 KB Output is correct
65 Correct 529 ms 43680 KB Output is correct
66 Correct 444 ms 34680 KB Output is correct
67 Correct 819 ms 58648 KB Output is correct
68 Correct 160 ms 28428 KB Output is correct
69 Correct 58 ms 28436 KB Output is correct
70 Correct 799 ms 39992 KB Output is correct
71 Correct 268 ms 29452 KB Output is correct
72 Correct 220 ms 29336 KB Output is correct
73 Correct 628 ms 39068 KB Output is correct
74 Correct 1363 ms 29852 KB Output is correct
75 Correct 903 ms 40632 KB Output is correct
76 Correct 823 ms 30496 KB Output is correct