답안 #387045

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
387045	2021-04-07T20:53:54 Z	rainboy	자매 도시 (APIO20_swap)	C++11	100 / 100	213 ms	15980 KB

swap

#include "swap.h"
#include <cstring>
#include <vector>

const int N = 100000, M = 200000, INF = 0x3f3f3f3f;

int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }

unsigned int X = 12345;

int rand_() {
	return (X *= 3) >> 1;
}

int ww[M];

void sort(int *hh, int l, int r) {
	while (l < r) {
		int i = l, j = l, k = r, h = hh[l + rand_() % (r - l)], tmp;

		while (j < k)
			if (ww[hh[j]] == ww[h])
				j++;
			else if (ww[hh[j]] < ww[h]) {
				tmp = hh[i], hh[i] = hh[j], hh[j] = tmp;
				i++, j++;
			} else {
				k--;
				tmp = hh[j], hh[j] = hh[k], hh[k] = tmp;
			}
		sort(hh, l, i);
		l = k;
	}
}

int ds[N], ww_[N], ww1[N];

int find(int i) {
	return ds[i] < 0 ? i : find(ds[i]);
}

void join(int i, int j, int w, int special) {
	i = find(i);
	j = find(j);
	if (i == j) {
		ww1[i] = min(ww1[i], w);
		return;
	}
	if (ds[i] > ds[j]) {
		ds[i] = j, ww_[i] = w;
		ww1[j] = min(ww1[j], max(special ? 0 : ww1[i], w));
	} else {
		if (ds[i] == ds[j])
			ds[i]--;
		ds[j] = i, ww_[j] = w;
		ww1[i] = min(ww1[i], max(special ? 0 : ww1[j], w));
	}
}

int n, m;

void init(int n_, int m_, std::vector<int> ii, std::vector<int> jj, std::vector<int> WW) {
	static int hh[M], dd[N];
	int h;

	n = n_, m = m_;
	for (h = 0; h < m; h++)
		ww[h] = WW[h], hh[h] = h;
	sort(hh, 0, m);
	memset(dd, 0, n * sizeof *dd);
	memset(ds, -1, n * sizeof *ds);
	memset(ww_, 0x3f, n * sizeof *ww_);
	memset(ww1, 0x3f, n * sizeof *ww1);
	for (h = 0; h < m; h++) {
		int i = ii[hh[h]], j = jj[hh[h]], w = ww[hh[h]];

		dd[i]++, dd[j]++;
		join(i, j, w, dd[i] > 2 || dd[j] > 2);
	}
}

int getMinimumFuelCapacity(int i, int j) {
	long long w1 = 0;

	while (i != j)
		if (ww_[i] < ww_[j])
			w1 = ww_[i], i = ds[i];
		else
			w1 = ww_[j], j = ds[j];
	while (i >= 0) {
		if (ww1[i] != INF)
			return max(w1, ww1[i]);
		w1 = ww_[i];
		i = ds[i];
	}
	return -1;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	52 ms	4076 KB	Output is correct
10	Correct	53 ms	4844 KB	Output is correct
11	Correct	54 ms	4716 KB	Output is correct
12	Correct	56 ms	4972 KB	Output is correct
13	Correct	56 ms	4972 KB	Output is correct
14	Correct	53 ms	4204 KB	Output is correct
15	Correct	142 ms	6644 KB	Output is correct
16	Correct	140 ms	6684 KB	Output is correct
17	Correct	144 ms	6864 KB	Output is correct
18	Correct	135 ms	6864 KB	Output is correct
19	Correct	76 ms	4532 KB	Output is correct
20	Correct	139 ms	7784 KB	Output is correct
21	Correct	146 ms	8100 KB	Output is correct
22	Correct	163 ms	8272 KB	Output is correct
23	Correct	128 ms	8144 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	115 ms	7820 KB	Output is correct
4	Correct	134 ms	7892 KB	Output is correct
5	Correct	119 ms	8192 KB	Output is correct
6	Correct	118 ms	7760 KB	Output is correct
7	Correct	119 ms	8044 KB	Output is correct
8	Correct	119 ms	7832 KB	Output is correct
9	Correct	119 ms	7916 KB	Output is correct
10	Correct	117 ms	8124 KB	Output is correct

Subtask #3
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	2 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	2 ms	384 KB	Output is correct
22	Correct	2 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	2 ms	364 KB	Output is correct
25	Correct	2 ms	364 KB	Output is correct
26	Correct	2 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	2 ms	364 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	52 ms	4076 KB	Output is correct
11	Correct	53 ms	4844 KB	Output is correct
12	Correct	54 ms	4716 KB	Output is correct
13	Correct	56 ms	4972 KB	Output is correct
14	Correct	56 ms	4972 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	2 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	2 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	2 ms	364 KB	Output is correct
30	Correct	2 ms	364 KB	Output is correct
31	Correct	2 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	2 ms	364 KB	Output is correct
34	Correct	10 ms	1004 KB	Output is correct
35	Correct	56 ms	4972 KB	Output is correct
36	Correct	53 ms	4972 KB	Output is correct
37	Correct	54 ms	5100 KB	Output is correct
38	Correct	54 ms	4992 KB	Output is correct
39	Correct	53 ms	4984 KB	Output is correct
40	Correct	49 ms	4588 KB	Output is correct
41	Correct	56 ms	4972 KB	Output is correct
42	Correct	54 ms	4972 KB	Output is correct
43	Correct	54 ms	4972 KB	Output is correct
44	Correct	58 ms	5172 KB	Output is correct
45	Correct	84 ms	6124 KB	Output is correct
46	Correct	54 ms	4972 KB	Output is correct
47	Correct	58 ms	4972 KB	Output is correct
48	Correct	61 ms	5356 KB	Output is correct
49	Correct	84 ms	5356 KB	Output is correct
50	Correct	72 ms	4332 KB	Output is correct
51	Correct	74 ms	5356 KB	Output is correct
52	Correct	95 ms	6892 KB	Output is correct
53	Correct	104 ms	7532 KB	Output is correct
54	Correct	117 ms	8172 KB	Output is correct
55	Correct	55 ms	4972 KB	Output is correct
56	Correct	105 ms	7276 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	52 ms	4076 KB	Output is correct
10	Correct	53 ms	4844 KB	Output is correct
11	Correct	54 ms	4716 KB	Output is correct
12	Correct	56 ms	4972 KB	Output is correct
13	Correct	56 ms	4972 KB	Output is correct
14	Correct	53 ms	4204 KB	Output is correct
15	Correct	142 ms	6644 KB	Output is correct
16	Correct	140 ms	6684 KB	Output is correct
17	Correct	144 ms	6864 KB	Output is correct
18	Correct	135 ms	6864 KB	Output is correct
19	Correct	115 ms	7820 KB	Output is correct
20	Correct	134 ms	7892 KB	Output is correct
21	Correct	119 ms	8192 KB	Output is correct
22	Correct	118 ms	7760 KB	Output is correct
23	Correct	119 ms	8044 KB	Output is correct
24	Correct	119 ms	7832 KB	Output is correct
25	Correct	119 ms	7916 KB	Output is correct
26	Correct	117 ms	8124 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	2 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	10 ms	1004 KB	Output is correct
37	Correct	56 ms	4972 KB	Output is correct
38	Correct	53 ms	4972 KB	Output is correct
39	Correct	54 ms	5100 KB	Output is correct
40	Correct	54 ms	4992 KB	Output is correct
41	Correct	53 ms	4984 KB	Output is correct
42	Correct	49 ms	4588 KB	Output is correct
43	Correct	56 ms	4972 KB	Output is correct
44	Correct	54 ms	4972 KB	Output is correct
45	Correct	54 ms	4972 KB	Output is correct
46	Correct	58 ms	5172 KB	Output is correct
47	Correct	16 ms	1772 KB	Output is correct
48	Correct	144 ms	11788 KB	Output is correct
49	Correct	144 ms	11728 KB	Output is correct
50	Correct	144 ms	11752 KB	Output is correct
51	Correct	141 ms	11788 KB	Output is correct
52	Correct	136 ms	11416 KB	Output is correct
53	Correct	125 ms	10976 KB	Output is correct
54	Correct	152 ms	12652 KB	Output is correct
55	Correct	181 ms	11856 KB	Output is correct
56	Correct	130 ms	11728 KB	Output is correct
57	Correct	145 ms	12624 KB	Output is correct

Subtask #6
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	52 ms	4076 KB	Output is correct
11	Correct	53 ms	4844 KB	Output is correct
12	Correct	54 ms	4716 KB	Output is correct
13	Correct	56 ms	4972 KB	Output is correct
14	Correct	56 ms	4972 KB	Output is correct
15	Correct	53 ms	4204 KB	Output is correct
16	Correct	142 ms	6644 KB	Output is correct
17	Correct	140 ms	6684 KB	Output is correct
18	Correct	144 ms	6864 KB	Output is correct
19	Correct	135 ms	6864 KB	Output is correct
20	Correct	115 ms	7820 KB	Output is correct
21	Correct	134 ms	7892 KB	Output is correct
22	Correct	119 ms	8192 KB	Output is correct
23	Correct	118 ms	7760 KB	Output is correct
24	Correct	119 ms	8044 KB	Output is correct
25	Correct	119 ms	7832 KB	Output is correct
26	Correct	119 ms	7916 KB	Output is correct
27	Correct	117 ms	8124 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	2 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	10 ms	1004 KB	Output is correct
38	Correct	56 ms	4972 KB	Output is correct
39	Correct	53 ms	4972 KB	Output is correct
40	Correct	54 ms	5100 KB	Output is correct
41	Correct	54 ms	4992 KB	Output is correct
42	Correct	53 ms	4984 KB	Output is correct
43	Correct	49 ms	4588 KB	Output is correct
44	Correct	56 ms	4972 KB	Output is correct
45	Correct	54 ms	4972 KB	Output is correct
46	Correct	54 ms	4972 KB	Output is correct
47	Correct	58 ms	5172 KB	Output is correct
48	Correct	16 ms	1772 KB	Output is correct
49	Correct	144 ms	11788 KB	Output is correct
50	Correct	144 ms	11728 KB	Output is correct
51	Correct	144 ms	11752 KB	Output is correct
52	Correct	141 ms	11788 KB	Output is correct
53	Correct	136 ms	11416 KB	Output is correct
54	Correct	125 ms	10976 KB	Output is correct
55	Correct	152 ms	12652 KB	Output is correct
56	Correct	181 ms	11856 KB	Output is correct
57	Correct	130 ms	11728 KB	Output is correct
58	Correct	145 ms	12624 KB	Output is correct
59	Correct	76 ms	4532 KB	Output is correct
60	Correct	139 ms	7784 KB	Output is correct
61	Correct	146 ms	8100 KB	Output is correct
62	Correct	163 ms	8272 KB	Output is correct
63	Correct	128 ms	8144 KB	Output is correct
64	Correct	1 ms	364 KB	Output is correct
65	Correct	1 ms	364 KB	Output is correct
66	Correct	2 ms	384 KB	Output is correct
67	Correct	2 ms	364 KB	Output is correct
68	Correct	1 ms	364 KB	Output is correct
69	Correct	2 ms	364 KB	Output is correct
70	Correct	2 ms	364 KB	Output is correct
71	Correct	2 ms	364 KB	Output is correct
72	Correct	1 ms	364 KB	Output is correct
73	Correct	2 ms	364 KB	Output is correct
74	Correct	84 ms	6124 KB	Output is correct
75	Correct	54 ms	4972 KB	Output is correct
76	Correct	58 ms	4972 KB	Output is correct
77	Correct	61 ms	5356 KB	Output is correct
78	Correct	84 ms	5356 KB	Output is correct
79	Correct	72 ms	4332 KB	Output is correct
80	Correct	74 ms	5356 KB	Output is correct
81	Correct	95 ms	6892 KB	Output is correct
82	Correct	104 ms	7532 KB	Output is correct
83	Correct	117 ms	8172 KB	Output is correct
84	Correct	55 ms	4972 KB	Output is correct
85	Correct	105 ms	7276 KB	Output is correct
86	Correct	49 ms	4596 KB	Output is correct
87	Correct	154 ms	11728 KB	Output is correct
88	Correct	146 ms	11728 KB	Output is correct
89	Correct	140 ms	11912 KB	Output is correct
90	Correct	165 ms	12484 KB	Output is correct
91	Correct	161 ms	12576 KB	Output is correct
92	Correct	153 ms	13000 KB	Output is correct
93	Correct	193 ms	15164 KB	Output is correct
94	Correct	185 ms	15820 KB	Output is correct
95	Correct	213 ms	15980 KB	Output is correct
96	Correct	126 ms	11792 KB	Output is correct
97	Correct	161 ms	14124 KB	Output is correct

답안 #387045

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 17.0 / 17.0

Subtask #4 20.0 / 20.0

Subtask #5 23.0 / 23.0

Subtask #6 27.0 / 27.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
17.0 / 17.0

Subtask #4
20.0 / 20.0

Subtask #5
23.0 / 23.0

Subtask #6
27.0 / 27.0