답안 #996980

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
996980	2024-06-11T14:27:07 Z	Dan4Life	자매 도시 (APIO20_swap)	C++17	100 / 100	214 ms	55840 KB

swap

#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
 
#define all(a) begin(a),end(a)
#define sz(a) (int)a.size()
#define pb push_back
 
const int mxN = (int)3e5+10;
const int mxLg = 17;
int n, m, newN, deg[mxN];
int p[mxN], line[mxN], good[mxN]; 
vector<array<int,3>> edges;
int jmp[mxLg][mxN], dep[mxN];
vector<int> adj[mxN];
 
int findSet(int i){return p[i]==i?i:p[i]=findSet(p[i]);}
bool isSameSet(int i, int j) { return findSet(i)==findSet(j); }
 
void unionSet(int i, int j){
	deg[i]++, deg[j]++;
	
	int x = findSet(i), y = findSet(j);
	
	if(x==y) line[x] = 0;
	if(!line[x] or !line[y] or deg[i]>=3 or deg[j]>=3 or good[x] or good[y])
		line[x]=line[y]=0, good[newN]=1;
		
	adj[newN].pb(y),adj[y].pb(newN);
	if(x!=y) adj[newN].pb(x),adj[x].pb(newN);
	
	p[y] = p[x] = p[newN] = newN; newN++;
}
 
void dfs(int s, int p){
	if(p!=-1) dep[s] = dep[p]+1;
	else dep[s] = 0;
	jmp[0][s] = p;
	for(auto u : adj[s]) 
		if(u!=p) dfs(u,s);
}
 
void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
	n = N, m = M; newN = N;
	for(int i = 0; i < N+M; i++) 
		p[i]=i,deg[i]=0,line[i]=1;
	for(int i = 0; i < M; i++)
		edges.pb({W[i],U[i],V[i]});
	sort(all(edges),[&](array<int,3> a, array<int,3> b){
		return a[0]<b[0];
	});
	
	memset(jmp,-1,sizeof(jmp));
	
	for(int i = 0; i < M; i++)
		unionSet(edges[i][1],edges[i][2]);
		
	for(int i = newN-1; i>=0; i--) 
		if(!dep[i]) dfs(i,-1);
		
	for(int i = 1; i < mxLg; i++)
		for(int j = 0; j < newN; j++)
			if(jmp[i-1][j]!=-1) jmp[i][j] = jmp[i-1][jmp[i-1][j]];
}
 
int jump(int s, int x){
	for(int k = mxLg-1; k>=0 and s!=-1; k--)
		if((x>>k)&1) s = jmp[k][s];
	return s;
}
 
int lca(int a, int b){
	if(a==b) return a;
	if(jmp[0][a]==jmp[0][b]) return jmp[0][a];
	if(dep[a]>dep[b]) swap(a,b);
	if(dep[a]!=dep[b]) b = jump(b,dep[b]-dep[a]); 
	for(int i = mxLg-1; i>=0; i--)
		if(jmp[i][a]!=jmp[i][b] and jmp[i][a]!=-1) 
			a=jmp[i][a],b=jmp[i][b];
	if(jmp[0][a]!=jmp[0][b] or jmp[0][a]==-1) return -1;
	return jmp[0][a];
}
 
int findNearestAnc(int s){
	if(s==-1 or good[s]) return s;
	for(int i = mxLg-1; i>=0; i--)
		if(jmp[i][s]!=-1 and !good[jmp[i][s]])
			s = jmp[i][s];
	if(jmp[0][s]==-1 or !good[jmp[0][s]]) return -1;
	return jmp[0][s];
}
 
int getMinimumFuelCapacity(int X, int Y) {
	int Z = findNearestAnc(lca(X,Y));
	return Z==-1?-1:edges[Z-n][0];
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	31324 KB	Output is correct
2	Correct	4 ms	31324 KB	Output is correct
3	Correct	4 ms	31576 KB	Output is correct
4	Correct	4 ms	31424 KB	Output is correct
5	Correct	5 ms	31324 KB	Output is correct
6	Correct	4 ms	31324 KB	Output is correct
7	Correct	4 ms	31324 KB	Output is correct
8	Correct	4 ms	31324 KB	Output is correct
9	Correct	47 ms	39880 KB	Output is correct
10	Correct	58 ms	41672 KB	Output is correct
11	Correct	57 ms	41556 KB	Output is correct
12	Correct	61 ms	42128 KB	Output is correct
13	Correct	65 ms	44544 KB	Output is correct
14	Correct	67 ms	39880 KB	Output is correct
15	Correct	120 ms	43640 KB	Output is correct
16	Correct	129 ms	43380 KB	Output is correct
17	Correct	122 ms	43896 KB	Output is correct
18	Correct	161 ms	46348 KB	Output is correct
19	Correct	60 ms	36372 KB	Output is correct
20	Correct	120 ms	44864 KB	Output is correct
21	Correct	128 ms	44672 KB	Output is correct
22	Correct	130 ms	45336 KB	Output is correct
23	Correct	159 ms	47640 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	31324 KB	Output is correct
2	Correct	4 ms	31324 KB	Output is correct
3	Correct	128 ms	49072 KB	Output is correct
4	Correct	115 ms	49708 KB	Output is correct
5	Correct	123 ms	49504 KB	Output is correct
6	Correct	116 ms	49708 KB	Output is correct
7	Correct	129 ms	49736 KB	Output is correct
8	Correct	117 ms	49012 KB	Output is correct
9	Correct	118 ms	49472 KB	Output is correct
10	Correct	131 ms	48864 KB	Output is correct

Subtask #3
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	31324 KB	Output is correct
2	Correct	4 ms	31324 KB	Output is correct
3	Correct	4 ms	31576 KB	Output is correct
4	Correct	4 ms	31424 KB	Output is correct
5	Correct	5 ms	31324 KB	Output is correct
6	Correct	4 ms	31324 KB	Output is correct
7	Correct	4 ms	31324 KB	Output is correct
8	Correct	4 ms	31324 KB	Output is correct
9	Correct	4 ms	31324 KB	Output is correct
10	Correct	4 ms	31324 KB	Output is correct
11	Correct	4 ms	31324 KB	Output is correct
12	Correct	4 ms	31324 KB	Output is correct
13	Correct	5 ms	31420 KB	Output is correct
14	Correct	4 ms	31492 KB	Output is correct
15	Correct	5 ms	31320 KB	Output is correct
16	Correct	4 ms	31432 KB	Output is correct
17	Correct	4 ms	31440 KB	Output is correct
18	Correct	4 ms	31324 KB	Output is correct
19	Correct	5 ms	31324 KB	Output is correct
20	Correct	4 ms	31452 KB	Output is correct
21	Correct	5 ms	31472 KB	Output is correct
22	Correct	4 ms	31580 KB	Output is correct
23	Correct	4 ms	31324 KB	Output is correct
24	Correct	5 ms	31580 KB	Output is correct
25	Correct	5 ms	31580 KB	Output is correct
26	Correct	5 ms	31580 KB	Output is correct
27	Correct	5 ms	31324 KB	Output is correct
28	Correct	4 ms	31580 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	31324 KB	Output is correct
2	Correct	4 ms	31324 KB	Output is correct
3	Correct	4 ms	31324 KB	Output is correct
4	Correct	4 ms	31576 KB	Output is correct
5	Correct	4 ms	31424 KB	Output is correct
6	Correct	5 ms	31324 KB	Output is correct
7	Correct	4 ms	31324 KB	Output is correct
8	Correct	4 ms	31324 KB	Output is correct
9	Correct	4 ms	31324 KB	Output is correct
10	Correct	47 ms	39880 KB	Output is correct
11	Correct	58 ms	41672 KB	Output is correct
12	Correct	57 ms	41556 KB	Output is correct
13	Correct	61 ms	42128 KB	Output is correct
14	Correct	65 ms	44544 KB	Output is correct
15	Correct	4 ms	31324 KB	Output is correct
16	Correct	4 ms	31324 KB	Output is correct
17	Correct	4 ms	31324 KB	Output is correct
18	Correct	5 ms	31420 KB	Output is correct
19	Correct	4 ms	31492 KB	Output is correct
20	Correct	5 ms	31320 KB	Output is correct
21	Correct	4 ms	31432 KB	Output is correct
22	Correct	4 ms	31440 KB	Output is correct
23	Correct	4 ms	31324 KB	Output is correct
24	Correct	5 ms	31324 KB	Output is correct
25	Correct	4 ms	31452 KB	Output is correct
26	Correct	5 ms	31472 KB	Output is correct
27	Correct	4 ms	31580 KB	Output is correct
28	Correct	4 ms	31324 KB	Output is correct
29	Correct	5 ms	31580 KB	Output is correct
30	Correct	5 ms	31580 KB	Output is correct
31	Correct	5 ms	31580 KB	Output is correct
32	Correct	5 ms	31324 KB	Output is correct
33	Correct	4 ms	31580 KB	Output is correct
34	Correct	12 ms	32796 KB	Output is correct
35	Correct	59 ms	42324 KB	Output is correct
36	Correct	63 ms	42184 KB	Output is correct
37	Correct	59 ms	42308 KB	Output is correct
38	Correct	60 ms	41924 KB	Output is correct
39	Correct	63 ms	41932 KB	Output is correct
40	Correct	66 ms	41028 KB	Output is correct
41	Correct	64 ms	42128 KB	Output is correct
42	Correct	65 ms	42120 KB	Output is correct
43	Correct	73 ms	45256 KB	Output is correct
44	Correct	69 ms	42120 KB	Output is correct
45	Correct	90 ms	50020 KB	Output is correct
46	Correct	62 ms	42332 KB	Output is correct
47	Correct	76 ms	42332 KB	Output is correct
48	Correct	73 ms	44744 KB	Output is correct
49	Correct	76 ms	50996 KB	Output is correct
50	Correct	55 ms	45508 KB	Output is correct
51	Correct	71 ms	46812 KB	Output is correct
52	Correct	99 ms	49596 KB	Output is correct
53	Correct	110 ms	50624 KB	Output is correct
54	Correct	116 ms	54284 KB	Output is correct
55	Correct	56 ms	44888 KB	Output is correct
56	Correct	101 ms	52932 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	31324 KB	Output is correct
2	Correct	4 ms	31324 KB	Output is correct
3	Correct	4 ms	31576 KB	Output is correct
4	Correct	4 ms	31424 KB	Output is correct
5	Correct	5 ms	31324 KB	Output is correct
6	Correct	4 ms	31324 KB	Output is correct
7	Correct	4 ms	31324 KB	Output is correct
8	Correct	4 ms	31324 KB	Output is correct
9	Correct	47 ms	39880 KB	Output is correct
10	Correct	58 ms	41672 KB	Output is correct
11	Correct	57 ms	41556 KB	Output is correct
12	Correct	61 ms	42128 KB	Output is correct
13	Correct	65 ms	44544 KB	Output is correct
14	Correct	67 ms	39880 KB	Output is correct
15	Correct	120 ms	43640 KB	Output is correct
16	Correct	129 ms	43380 KB	Output is correct
17	Correct	122 ms	43896 KB	Output is correct
18	Correct	161 ms	46348 KB	Output is correct
19	Correct	128 ms	49072 KB	Output is correct
20	Correct	115 ms	49708 KB	Output is correct
21	Correct	123 ms	49504 KB	Output is correct
22	Correct	116 ms	49708 KB	Output is correct
23	Correct	129 ms	49736 KB	Output is correct
24	Correct	117 ms	49012 KB	Output is correct
25	Correct	118 ms	49472 KB	Output is correct
26	Correct	131 ms	48864 KB	Output is correct
27	Correct	4 ms	31324 KB	Output is correct
28	Correct	4 ms	31324 KB	Output is correct
29	Correct	4 ms	31324 KB	Output is correct
30	Correct	5 ms	31420 KB	Output is correct
31	Correct	4 ms	31492 KB	Output is correct
32	Correct	5 ms	31320 KB	Output is correct
33	Correct	4 ms	31432 KB	Output is correct
34	Correct	4 ms	31440 KB	Output is correct
35	Correct	4 ms	31324 KB	Output is correct
36	Correct	12 ms	32796 KB	Output is correct
37	Correct	59 ms	42324 KB	Output is correct
38	Correct	63 ms	42184 KB	Output is correct
39	Correct	59 ms	42308 KB	Output is correct
40	Correct	60 ms	41924 KB	Output is correct
41	Correct	63 ms	41932 KB	Output is correct
42	Correct	66 ms	41028 KB	Output is correct
43	Correct	64 ms	42128 KB	Output is correct
44	Correct	65 ms	42120 KB	Output is correct
45	Correct	73 ms	45256 KB	Output is correct
46	Correct	69 ms	42120 KB	Output is correct
47	Correct	17 ms	33052 KB	Output is correct
48	Correct	118 ms	44844 KB	Output is correct
49	Correct	120 ms	44844 KB	Output is correct
50	Correct	126 ms	44848 KB	Output is correct
51	Correct	123 ms	44604 KB	Output is correct
52	Correct	118 ms	44152 KB	Output is correct
53	Correct	136 ms	41916 KB	Output is correct
54	Correct	120 ms	45356 KB	Output is correct
55	Correct	130 ms	44848 KB	Output is correct
56	Correct	135 ms	47152 KB	Output is correct
57	Correct	133 ms	45356 KB	Output is correct

Subtask #6
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	31324 KB	Output is correct
2	Correct	4 ms	31324 KB	Output is correct
3	Correct	4 ms	31324 KB	Output is correct
4	Correct	4 ms	31576 KB	Output is correct
5	Correct	4 ms	31424 KB	Output is correct
6	Correct	5 ms	31324 KB	Output is correct
7	Correct	4 ms	31324 KB	Output is correct
8	Correct	4 ms	31324 KB	Output is correct
9	Correct	4 ms	31324 KB	Output is correct
10	Correct	47 ms	39880 KB	Output is correct
11	Correct	58 ms	41672 KB	Output is correct
12	Correct	57 ms	41556 KB	Output is correct
13	Correct	61 ms	42128 KB	Output is correct
14	Correct	65 ms	44544 KB	Output is correct
15	Correct	67 ms	39880 KB	Output is correct
16	Correct	120 ms	43640 KB	Output is correct
17	Correct	129 ms	43380 KB	Output is correct
18	Correct	122 ms	43896 KB	Output is correct
19	Correct	161 ms	46348 KB	Output is correct
20	Correct	128 ms	49072 KB	Output is correct
21	Correct	115 ms	49708 KB	Output is correct
22	Correct	123 ms	49504 KB	Output is correct
23	Correct	116 ms	49708 KB	Output is correct
24	Correct	129 ms	49736 KB	Output is correct
25	Correct	117 ms	49012 KB	Output is correct
26	Correct	118 ms	49472 KB	Output is correct
27	Correct	131 ms	48864 KB	Output is correct
28	Correct	4 ms	31324 KB	Output is correct
29	Correct	4 ms	31324 KB	Output is correct
30	Correct	4 ms	31324 KB	Output is correct
31	Correct	5 ms	31420 KB	Output is correct
32	Correct	4 ms	31492 KB	Output is correct
33	Correct	5 ms	31320 KB	Output is correct
34	Correct	4 ms	31432 KB	Output is correct
35	Correct	4 ms	31440 KB	Output is correct
36	Correct	4 ms	31324 KB	Output is correct
37	Correct	12 ms	32796 KB	Output is correct
38	Correct	59 ms	42324 KB	Output is correct
39	Correct	63 ms	42184 KB	Output is correct
40	Correct	59 ms	42308 KB	Output is correct
41	Correct	60 ms	41924 KB	Output is correct
42	Correct	63 ms	41932 KB	Output is correct
43	Correct	66 ms	41028 KB	Output is correct
44	Correct	64 ms	42128 KB	Output is correct
45	Correct	65 ms	42120 KB	Output is correct
46	Correct	73 ms	45256 KB	Output is correct
47	Correct	69 ms	42120 KB	Output is correct
48	Correct	17 ms	33052 KB	Output is correct
49	Correct	118 ms	44844 KB	Output is correct
50	Correct	120 ms	44844 KB	Output is correct
51	Correct	126 ms	44848 KB	Output is correct
52	Correct	123 ms	44604 KB	Output is correct
53	Correct	118 ms	44152 KB	Output is correct
54	Correct	136 ms	41916 KB	Output is correct
55	Correct	120 ms	45356 KB	Output is correct
56	Correct	130 ms	44848 KB	Output is correct
57	Correct	135 ms	47152 KB	Output is correct
58	Correct	133 ms	45356 KB	Output is correct
59	Correct	60 ms	36372 KB	Output is correct
60	Correct	120 ms	44864 KB	Output is correct
61	Correct	128 ms	44672 KB	Output is correct
62	Correct	130 ms	45336 KB	Output is correct
63	Correct	159 ms	47640 KB	Output is correct
64	Correct	5 ms	31324 KB	Output is correct
65	Correct	4 ms	31452 KB	Output is correct
66	Correct	5 ms	31472 KB	Output is correct
67	Correct	4 ms	31580 KB	Output is correct
68	Correct	4 ms	31324 KB	Output is correct
69	Correct	5 ms	31580 KB	Output is correct
70	Correct	5 ms	31580 KB	Output is correct
71	Correct	5 ms	31580 KB	Output is correct
72	Correct	5 ms	31324 KB	Output is correct
73	Correct	4 ms	31580 KB	Output is correct
74	Correct	90 ms	50020 KB	Output is correct
75	Correct	62 ms	42332 KB	Output is correct
76	Correct	76 ms	42332 KB	Output is correct
77	Correct	73 ms	44744 KB	Output is correct
78	Correct	76 ms	50996 KB	Output is correct
79	Correct	55 ms	45508 KB	Output is correct
80	Correct	71 ms	46812 KB	Output is correct
81	Correct	99 ms	49596 KB	Output is correct
82	Correct	110 ms	50624 KB	Output is correct
83	Correct	116 ms	54284 KB	Output is correct
84	Correct	56 ms	44888 KB	Output is correct
85	Correct	101 ms	52932 KB	Output is correct
86	Correct	46 ms	37760 KB	Output is correct
87	Correct	144 ms	44876 KB	Output is correct
88	Correct	119 ms	44824 KB	Output is correct
89	Correct	136 ms	46608 KB	Output is correct
90	Correct	140 ms	53784 KB	Output is correct
91	Correct	133 ms	51936 KB	Output is correct
92	Correct	140 ms	49012 KB	Output is correct
93	Correct	178 ms	52600 KB	Output is correct
94	Correct	214 ms	53152 KB	Output is correct
95	Correct	176 ms	55840 KB	Output is correct
96	Correct	141 ms	47404 KB	Output is correct
97	Correct	201 ms	51024 KB	Output is correct

답안 #996980

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