답안 #290559

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
290559	2020-09-04T03:39:20 Z	Lawliet	자매 도시 (APIO20_swap)	C++17	100 / 100	295 ms	21496 KB

swap

#include "swap.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 200010;
const int INF = 1000000010;

int n, m;

int w[MAXN];
int ord[MAXN];
int minTime[MAXN];
int anc[MAXN], tW[MAXN], degree[MAXN];

vector<int> nodes[MAXN];

bool cmp(int i, int j) { return w[i] < w[j]; }

int find(int cur)
{
	if( anc[cur] == cur ) return cur;
	return find( anc[cur] );
}

void update(int i, int curW)
{
	if( curW == INF ) return;
	if( minTime[i] != INF ) return;

	for(int k = 0 ; k < (int)nodes[i].size() ; k++)
		minTime[ nodes[i][k] ] = curW;
}

void join(int i, int j, int curW)
{
	degree[i]++; degree[j]++;
	bool flip = ( degree[i] >= 3 || degree[j] >= 3 );

	i = find(i), j = find(j);

	if( i == j ) flip = true;

	if( flip )
	{
		update( i , curW );
		update( j , curW );
	}

	if( i == j ) return;

	bool isSpecial = ( minTime[i] != INF || minTime[j] != INF );

	if( isSpecial )
	{
		update( i , curW );
		update( j , curW );
	}

	if( (int)nodes[i].size() < (int)nodes[j].size() )
		swap( i , j );

	anc[j] = i;
	tW[j] = curW;

	while( !nodes[j].empty() )
	{
		nodes[i].push_back( nodes[j].back() );
		nodes[j].pop_back();
	}
}

void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) 
{
	n = N; m = M;

	for(int i = 0 ; i < n ; i++)
	{
		anc[i] = i;
		nodes[i].push_back( i );

		minTime[i] = tW[i] = INF;
	}

	for(int i = 0 ; i < m ; i++)
		w[i] = W[i];

	iota( ord , ord + m , 0 );
	sort( ord , ord + m , cmp );

	for(int i = 0 ; i < m ; i++)
		join( U[ ord[i] ] , V[ ord[i] ] , W[ ord[i] ] );
}

int getMinimumFuelCapacity(int X, int Y) 
{
	if( minTime[X] == INF ) return -1;

	int ans = minTime[X];

	while( X != Y )
	{
		if( tW[X] > tW[Y] )
			swap( X , Y );

		ans = max( ans , tW[X] );
		X = anc[X];
	}

	return ans;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	4 ms	4992 KB	Output is correct
4	Correct	4 ms	5120 KB	Output is correct
5	Correct	4 ms	5120 KB	Output is correct
6	Correct	4 ms	5120 KB	Output is correct
7	Correct	5 ms	5120 KB	Output is correct
8	Correct	5 ms	5120 KB	Output is correct
9	Correct	84 ms	14260 KB	Output is correct
10	Correct	111 ms	15988 KB	Output is correct
11	Correct	107 ms	15728 KB	Output is correct
12	Correct	116 ms	16500 KB	Output is correct
13	Correct	86 ms	13748 KB	Output is correct
14	Correct	97 ms	14500 KB	Output is correct
15	Correct	184 ms	18040 KB	Output is correct
16	Correct	185 ms	17700 KB	Output is correct
17	Correct	194 ms	18392 KB	Output is correct
18	Correct	164 ms	15476 KB	Output is correct
19	Correct	91 ms	10232 KB	Output is correct
20	Correct	205 ms	19024 KB	Output is correct
21	Correct	200 ms	19120 KB	Output is correct
22	Correct	229 ms	19928 KB	Output is correct
23	Correct	172 ms	16856 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	166 ms	16024 KB	Output is correct
4	Correct	166 ms	16224 KB	Output is correct
5	Correct	166 ms	16268 KB	Output is correct
6	Correct	162 ms	16092 KB	Output is correct
7	Correct	173 ms	16400 KB	Output is correct
8	Correct	161 ms	16032 KB	Output is correct
9	Correct	165 ms	16112 KB	Output is correct
10	Correct	162 ms	16076 KB	Output is correct

Subtask #3
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	4 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	5120 KB	Output is correct
6	Correct	4 ms	5120 KB	Output is correct
7	Correct	4 ms	5120 KB	Output is correct
8	Correct	5 ms	5120 KB	Output is correct
9	Correct	5 ms	5120 KB	Output is correct
10	Correct	4 ms	5120 KB	Output is correct
11	Correct	4 ms	5120 KB	Output is correct
12	Correct	4 ms	5120 KB	Output is correct
13	Correct	4 ms	5120 KB	Output is correct
14	Correct	4 ms	5120 KB	Output is correct
15	Correct	4 ms	5248 KB	Output is correct
16	Correct	4 ms	5120 KB	Output is correct
17	Correct	4 ms	5120 KB	Output is correct
18	Correct	4 ms	5120 KB	Output is correct
19	Correct	4 ms	5120 KB	Output is correct
20	Correct	4 ms	5120 KB	Output is correct
21	Correct	4 ms	5120 KB	Output is correct
22	Correct	5 ms	5120 KB	Output is correct
23	Correct	4 ms	5120 KB	Output is correct
24	Correct	5 ms	5120 KB	Output is correct
25	Correct	5 ms	5120 KB	Output is correct
26	Correct	5 ms	5120 KB	Output is correct
27	Correct	4 ms	5120 KB	Output is correct
28	Correct	5 ms	5248 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	4 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	5120 KB	Output is correct
6	Correct	4 ms	5120 KB	Output is correct
7	Correct	4 ms	5120 KB	Output is correct
8	Correct	5 ms	5120 KB	Output is correct
9	Correct	5 ms	5120 KB	Output is correct
10	Correct	84 ms	14260 KB	Output is correct
11	Correct	111 ms	15988 KB	Output is correct
12	Correct	107 ms	15728 KB	Output is correct
13	Correct	116 ms	16500 KB	Output is correct
14	Correct	86 ms	13748 KB	Output is correct
15	Correct	4 ms	5120 KB	Output is correct
16	Correct	4 ms	5120 KB	Output is correct
17	Correct	4 ms	5120 KB	Output is correct
18	Correct	4 ms	5120 KB	Output is correct
19	Correct	4 ms	5120 KB	Output is correct
20	Correct	4 ms	5248 KB	Output is correct
21	Correct	4 ms	5120 KB	Output is correct
22	Correct	4 ms	5120 KB	Output is correct
23	Correct	4 ms	5120 KB	Output is correct
24	Correct	14 ms	6400 KB	Output is correct
25	Correct	109 ms	16584 KB	Output is correct
26	Correct	107 ms	16500 KB	Output is correct
27	Correct	105 ms	15992 KB	Output is correct
28	Correct	104 ms	15604 KB	Output is correct
29	Correct	104 ms	15328 KB	Output is correct
30	Correct	94 ms	14584 KB	Output is correct
31	Correct	110 ms	16496 KB	Output is correct
32	Correct	108 ms	16624 KB	Output is correct
33	Correct	93 ms	13692 KB	Output is correct
34	Correct	115 ms	15348 KB	Output is correct
35	Correct	4 ms	5120 KB	Output is correct
36	Correct	4 ms	5120 KB	Output is correct
37	Correct	4 ms	5120 KB	Output is correct
38	Correct	5 ms	5120 KB	Output is correct
39	Correct	4 ms	5120 KB	Output is correct
40	Correct	5 ms	5120 KB	Output is correct
41	Correct	5 ms	5120 KB	Output is correct
42	Correct	5 ms	5120 KB	Output is correct
43	Correct	4 ms	5120 KB	Output is correct
44	Correct	5 ms	5248 KB	Output is correct
45	Correct	131 ms	14324 KB	Output is correct
46	Correct	111 ms	16368 KB	Output is correct
47	Correct	108 ms	14836 KB	Output is correct
48	Correct	109 ms	14168 KB	Output is correct
49	Correct	101 ms	10104 KB	Output is correct
50	Correct	79 ms	9340 KB	Output is correct
51	Correct	107 ms	12664 KB	Output is correct
52	Correct	162 ms	17908 KB	Output is correct
53	Correct	178 ms	16888 KB	Output is correct
54	Correct	182 ms	19700 KB	Output is correct
55	Correct	90 ms	13684 KB	Output is correct
56	Correct	161 ms	16244 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	4 ms	4992 KB	Output is correct
4	Correct	4 ms	5120 KB	Output is correct
5	Correct	4 ms	5120 KB	Output is correct
6	Correct	4 ms	5120 KB	Output is correct
7	Correct	5 ms	5120 KB	Output is correct
8	Correct	5 ms	5120 KB	Output is correct
9	Correct	84 ms	14260 KB	Output is correct
10	Correct	111 ms	15988 KB	Output is correct
11	Correct	107 ms	15728 KB	Output is correct
12	Correct	116 ms	16500 KB	Output is correct
13	Correct	86 ms	13748 KB	Output is correct
14	Correct	97 ms	14500 KB	Output is correct
15	Correct	184 ms	18040 KB	Output is correct
16	Correct	185 ms	17700 KB	Output is correct
17	Correct	194 ms	18392 KB	Output is correct
18	Correct	164 ms	15476 KB	Output is correct
19	Correct	166 ms	16024 KB	Output is correct
20	Correct	166 ms	16224 KB	Output is correct
21	Correct	166 ms	16268 KB	Output is correct
22	Correct	162 ms	16092 KB	Output is correct
23	Correct	173 ms	16400 KB	Output is correct
24	Correct	161 ms	16032 KB	Output is correct
25	Correct	165 ms	16112 KB	Output is correct
26	Correct	162 ms	16076 KB	Output is correct
27	Correct	4 ms	5120 KB	Output is correct
28	Correct	4 ms	5120 KB	Output is correct
29	Correct	4 ms	5120 KB	Output is correct
30	Correct	4 ms	5120 KB	Output is correct
31	Correct	4 ms	5120 KB	Output is correct
32	Correct	4 ms	5248 KB	Output is correct
33	Correct	4 ms	5120 KB	Output is correct
34	Correct	4 ms	5120 KB	Output is correct
35	Correct	4 ms	5120 KB	Output is correct
36	Correct	14 ms	6400 KB	Output is correct
37	Correct	109 ms	16584 KB	Output is correct
38	Correct	107 ms	16500 KB	Output is correct
39	Correct	105 ms	15992 KB	Output is correct
40	Correct	104 ms	15604 KB	Output is correct
41	Correct	104 ms	15328 KB	Output is correct
42	Correct	94 ms	14584 KB	Output is correct
43	Correct	110 ms	16496 KB	Output is correct
44	Correct	108 ms	16624 KB	Output is correct
45	Correct	93 ms	13692 KB	Output is correct
46	Correct	115 ms	15348 KB	Output is correct
47	Correct	23 ms	6656 KB	Output is correct
48	Correct	220 ms	19032 KB	Output is correct
49	Correct	214 ms	18652 KB	Output is correct
50	Correct	209 ms	18724 KB	Output is correct
51	Correct	211 ms	18280 KB	Output is correct
52	Correct	207 ms	17616 KB	Output is correct
53	Correct	164 ms	15204 KB	Output is correct
54	Correct	217 ms	19704 KB	Output is correct
55	Correct	218 ms	19416 KB	Output is correct
56	Correct	182 ms	16320 KB	Output is correct
57	Correct	213 ms	18392 KB	Output is correct

Subtask #6
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	4992 KB	Output is correct
2	Correct	4 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	5120 KB	Output is correct
6	Correct	4 ms	5120 KB	Output is correct
7	Correct	4 ms	5120 KB	Output is correct
8	Correct	5 ms	5120 KB	Output is correct
9	Correct	5 ms	5120 KB	Output is correct
10	Correct	84 ms	14260 KB	Output is correct
11	Correct	111 ms	15988 KB	Output is correct
12	Correct	107 ms	15728 KB	Output is correct
13	Correct	116 ms	16500 KB	Output is correct
14	Correct	86 ms	13748 KB	Output is correct
15	Correct	97 ms	14500 KB	Output is correct
16	Correct	184 ms	18040 KB	Output is correct
17	Correct	185 ms	17700 KB	Output is correct
18	Correct	194 ms	18392 KB	Output is correct
19	Correct	164 ms	15476 KB	Output is correct
20	Correct	166 ms	16024 KB	Output is correct
21	Correct	166 ms	16224 KB	Output is correct
22	Correct	166 ms	16268 KB	Output is correct
23	Correct	162 ms	16092 KB	Output is correct
24	Correct	173 ms	16400 KB	Output is correct
25	Correct	161 ms	16032 KB	Output is correct
26	Correct	165 ms	16112 KB	Output is correct
27	Correct	162 ms	16076 KB	Output is correct
28	Correct	4 ms	5120 KB	Output is correct
29	Correct	4 ms	5120 KB	Output is correct
30	Correct	4 ms	5120 KB	Output is correct
31	Correct	4 ms	5120 KB	Output is correct
32	Correct	4 ms	5120 KB	Output is correct
33	Correct	4 ms	5248 KB	Output is correct
34	Correct	4 ms	5120 KB	Output is correct
35	Correct	4 ms	5120 KB	Output is correct
36	Correct	4 ms	5120 KB	Output is correct
37	Correct	14 ms	6400 KB	Output is correct
38	Correct	109 ms	16584 KB	Output is correct
39	Correct	107 ms	16500 KB	Output is correct
40	Correct	105 ms	15992 KB	Output is correct
41	Correct	104 ms	15604 KB	Output is correct
42	Correct	104 ms	15328 KB	Output is correct
43	Correct	94 ms	14584 KB	Output is correct
44	Correct	110 ms	16496 KB	Output is correct
45	Correct	108 ms	16624 KB	Output is correct
46	Correct	93 ms	13692 KB	Output is correct
47	Correct	115 ms	15348 KB	Output is correct
48	Correct	23 ms	6656 KB	Output is correct
49	Correct	220 ms	19032 KB	Output is correct
50	Correct	214 ms	18652 KB	Output is correct
51	Correct	209 ms	18724 KB	Output is correct
52	Correct	211 ms	18280 KB	Output is correct
53	Correct	207 ms	17616 KB	Output is correct
54	Correct	164 ms	15204 KB	Output is correct
55	Correct	217 ms	19704 KB	Output is correct
56	Correct	218 ms	19416 KB	Output is correct
57	Correct	182 ms	16320 KB	Output is correct
58	Correct	213 ms	18392 KB	Output is correct
59	Correct	91 ms	10232 KB	Output is correct
60	Correct	205 ms	19024 KB	Output is correct
61	Correct	200 ms	19120 KB	Output is correct
62	Correct	229 ms	19928 KB	Output is correct
63	Correct	172 ms	16856 KB	Output is correct
64	Correct	4 ms	5120 KB	Output is correct
65	Correct	4 ms	5120 KB	Output is correct
66	Correct	4 ms	5120 KB	Output is correct
67	Correct	5 ms	5120 KB	Output is correct
68	Correct	4 ms	5120 KB	Output is correct
69	Correct	5 ms	5120 KB	Output is correct
70	Correct	5 ms	5120 KB	Output is correct
71	Correct	5 ms	5120 KB	Output is correct
72	Correct	4 ms	5120 KB	Output is correct
73	Correct	5 ms	5248 KB	Output is correct
74	Correct	131 ms	14324 KB	Output is correct
75	Correct	111 ms	16368 KB	Output is correct
76	Correct	108 ms	14836 KB	Output is correct
77	Correct	109 ms	14168 KB	Output is correct
78	Correct	101 ms	10104 KB	Output is correct
79	Correct	79 ms	9340 KB	Output is correct
80	Correct	107 ms	12664 KB	Output is correct
81	Correct	162 ms	17908 KB	Output is correct
82	Correct	178 ms	16888 KB	Output is correct
83	Correct	182 ms	19700 KB	Output is correct
84	Correct	90 ms	13684 KB	Output is correct
85	Correct	161 ms	16244 KB	Output is correct
86	Correct	64 ms	9004 KB	Output is correct
87	Correct	211 ms	18408 KB	Output is correct
88	Correct	208 ms	18520 KB	Output is correct
89	Correct	191 ms	16016 KB	Output is correct
90	Correct	188 ms	12496 KB	Output is correct
91	Correct	185 ms	12796 KB	Output is correct
92	Correct	199 ms	15444 KB	Output is correct
93	Correct	259 ms	19888 KB	Output is correct
94	Correct	263 ms	19028 KB	Output is correct
95	Correct	295 ms	21496 KB	Output is correct
96	Correct	188 ms	16344 KB	Output is correct
97	Correct	226 ms	17972 KB	Output is correct

답안 #290559

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