답안 #743695

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
743695	2023-05-17T17:50:23 Z	RushB	자매 도시 (APIO20_swap)	C++17	100 / 100	447 ms	57076 KB

swap

//happier ending for folks like us? 
//yani in AC nashe, yak yak kesaii ke in APIO dadan dast ma
//PAIN
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 4e5 + 15, M = 2e5 + 5, L = 21, INF = 0x3f3f3f3f;
int p[N], dpr[N], pr[N][L], ext[N], P[N], h[N], rt, D[N], deg[N];
vector<int> adj[N], Wtmp;
inline void smin(int &a, int b) {a = min(a, b);}
void dfs(int v) {
	for (int i = 1; i < L; i++) pr[v][i] = pr[pr[v][i - 1]][i - 1];
	for (auto u: adj[v]) {
		pr[u][0] = v;
		h[u] = h[v] + 1;
		dfs(u);
		smin(ext[v], ext[u]);
	}
}
int gpr(int u) {return dpr[u] == u ? u : dpr[u] = gpr(dpr[u]);}
bool merge(int u, int v, int id) {
	int tu = u, tv = v;
	deg[tu]++, deg[tv]++;
	u = gpr(u), v = gpr(v);
	if (u == v) return false;
	dpr[u] = dpr[v] = id + M;
	D[id + M] = max({D[u], D[v], deg[tu], deg[tv]});
	adj[id + M].push_back(u);
	adj[id + M].push_back(v);
	return true;
}
void init(int n, int m, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
	iota(p, p + m, 0);
	sort(p, p + m, [&](const int x, const int y) {return W[x] < W[y];});
	iota(dpr, dpr + N, 0);
	memset(ext, 0x3f, sizeof ext);
	Wtmp = W;
	for (int i = 0; i < m; i++) {
		const int id = p[i];
		if (!merge(U[id], V[id], id)) {
			smin(ext[U[id]], W[id]);
			smin(ext[V[id]], W[id]);
		}
	}
	rt = gpr(0), pr[rt][0] = rt, dfs(rt);
}
int LCA(int X, int Y) {
	for (int i = L - 1; i >= 0; i--) if (pr[Y][i] != pr[X][i]) Y = pr[Y][i], X = pr[X][i];
	return pr[X][0];
}
int getMinimumFuelCapacity(int X, int Y) {
	if (h[X] < h[Y]) swap(X, Y);
	while (h[Y] < h[X]) X = pr[X][__lg(h[X] - h[Y])];
	int w = INF, lca = LCA(X, Y);
	for (int i = L - 1; i >= 0; i--) if (pr[Y][i] != pr[X][i] || D[pr[X][i]] <= 2) Y = pr[Y][i], X = pr[X][i];
	smin(w, (D[pr[X][0]] > 2 ? Wtmp[pr[X][0] - M] : INF));
	if (h[X] <= h[lca]) smin(w, max(Wtmp[X - M], ext[X]));
	return w >= INF ? -1 : w;
}

Subtask #1

6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12884 KB	Output is correct
2	Correct	7 ms	12768 KB	Output is correct
3	Correct	7 ms	12756 KB	Output is correct
4	Correct	8 ms	12904 KB	Output is correct
5	Correct	8 ms	13080 KB	Output is correct
6	Correct	8 ms	13012 KB	Output is correct
7	Correct	8 ms	13056 KB	Output is correct
8	Correct	8 ms	13168 KB	Output is correct
9	Correct	102 ms	33012 KB	Output is correct
10	Correct	124 ms	37104 KB	Output is correct
11	Correct	123 ms	36728 KB	Output is correct
12	Correct	155 ms	38156 KB	Output is correct
13	Correct	150 ms	42048 KB	Output is correct
14	Correct	120 ms	32948 KB	Output is correct
15	Correct	252 ms	39608 KB	Output is correct
16	Correct	270 ms	38896 KB	Output is correct
17	Correct	266 ms	40392 KB	Output is correct
18	Correct	381 ms	44312 KB	Output is correct
19	Correct	103 ms	21096 KB	Output is correct
20	Correct	279 ms	40040 KB	Output is correct
21	Correct	253 ms	39508 KB	Output is correct
22	Correct	272 ms	41268 KB	Output is correct
23	Correct	423 ms	45104 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12884 KB	Output is correct
2	Correct	7 ms	12768 KB	Output is correct
3	Correct	409 ms	47444 KB	Output is correct
4	Correct	367 ms	48660 KB	Output is correct
5	Correct	409 ms	47872 KB	Output is correct
6	Correct	377 ms	48636 KB	Output is correct
7	Correct	379 ms	48440 KB	Output is correct
8	Correct	423 ms	47040 KB	Output is correct
9	Correct	376 ms	48056 KB	Output is correct
10	Correct	410 ms	46676 KB	Output is correct

Subtask #3

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12884 KB	Output is correct
2	Correct	7 ms	12768 KB	Output is correct
3	Correct	7 ms	12756 KB	Output is correct
4	Correct	8 ms	12904 KB	Output is correct
5	Correct	8 ms	13080 KB	Output is correct
6	Correct	8 ms	13012 KB	Output is correct
7	Correct	8 ms	13056 KB	Output is correct
8	Correct	8 ms	13168 KB	Output is correct
9	Correct	7 ms	12852 KB	Output is correct
10	Correct	7 ms	13012 KB	Output is correct
11	Correct	8 ms	13136 KB	Output is correct
12	Correct	7 ms	13040 KB	Output is correct
13	Correct	9 ms	13012 KB	Output is correct
14	Correct	9 ms	13040 KB	Output is correct
15	Correct	8 ms	13044 KB	Output is correct
16	Correct	8 ms	13096 KB	Output is correct
17	Correct	8 ms	13140 KB	Output is correct
18	Correct	8 ms	13044 KB	Output is correct
19	Correct	7 ms	13012 KB	Output is correct
20	Correct	7 ms	13012 KB	Output is correct
21	Correct	9 ms	13140 KB	Output is correct
22	Correct	8 ms	13044 KB	Output is correct
23	Correct	8 ms	13012 KB	Output is correct
24	Correct	10 ms	13268 KB	Output is correct
25	Correct	9 ms	13168 KB	Output is correct
26	Correct	9 ms	13268 KB	Output is correct
27	Correct	8 ms	13176 KB	Output is correct
28	Correct	9 ms	13268 KB	Output is correct

Subtask #4

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12852 KB	Output is correct
2	Correct	7 ms	12884 KB	Output is correct
3	Correct	7 ms	12768 KB	Output is correct
4	Correct	7 ms	12756 KB	Output is correct
5	Correct	8 ms	12904 KB	Output is correct
6	Correct	8 ms	13080 KB	Output is correct
7	Correct	8 ms	13012 KB	Output is correct
8	Correct	8 ms	13056 KB	Output is correct
9	Correct	8 ms	13168 KB	Output is correct
10	Correct	102 ms	33012 KB	Output is correct
11	Correct	124 ms	37104 KB	Output is correct
12	Correct	123 ms	36728 KB	Output is correct
13	Correct	155 ms	38156 KB	Output is correct
14	Correct	150 ms	42048 KB	Output is correct
15	Correct	7 ms	13012 KB	Output is correct
16	Correct	8 ms	13136 KB	Output is correct
17	Correct	7 ms	13040 KB	Output is correct
18	Correct	9 ms	13012 KB	Output is correct
19	Correct	9 ms	13040 KB	Output is correct
20	Correct	8 ms	13044 KB	Output is correct
21	Correct	8 ms	13096 KB	Output is correct
22	Correct	8 ms	13140 KB	Output is correct
23	Correct	8 ms	13044 KB	Output is correct
24	Correct	7 ms	13012 KB	Output is correct
25	Correct	7 ms	13012 KB	Output is correct
26	Correct	9 ms	13140 KB	Output is correct
27	Correct	8 ms	13044 KB	Output is correct
28	Correct	8 ms	13012 KB	Output is correct
29	Correct	10 ms	13268 KB	Output is correct
30	Correct	9 ms	13168 KB	Output is correct
31	Correct	9 ms	13268 KB	Output is correct
32	Correct	8 ms	13176 KB	Output is correct
33	Correct	9 ms	13268 KB	Output is correct
34	Correct	20 ms	16372 KB	Output is correct
35	Correct	137 ms	37616 KB	Output is correct
36	Correct	139 ms	37600 KB	Output is correct
37	Correct	159 ms	37512 KB	Output is correct
38	Correct	131 ms	37380 KB	Output is correct
39	Correct	136 ms	37088 KB	Output is correct
40	Correct	124 ms	35160 KB	Output is correct
41	Correct	136 ms	37648 KB	Output is correct
42	Correct	149 ms	37692 KB	Output is correct
43	Correct	160 ms	42828 KB	Output is correct
44	Correct	141 ms	37700 KB	Output is correct
45	Correct	172 ms	42640 KB	Output is correct
46	Correct	132 ms	37624 KB	Output is correct
47	Correct	140 ms	37708 KB	Output is correct
48	Correct	163 ms	40616 KB	Output is correct
49	Correct	75 ms	23500 KB	Output is correct
50	Correct	66 ms	28612 KB	Output is correct
51	Correct	141 ms	38288 KB	Output is correct
52	Correct	191 ms	45016 KB	Output is correct
53	Correct	195 ms	48188 KB	Output is correct
54	Correct	198 ms	49776 KB	Output is correct
55	Correct	154 ms	42220 KB	Output is correct
56	Correct	215 ms	48728 KB	Output is correct

Subtask #5

23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12884 KB	Output is correct
2	Correct	7 ms	12768 KB	Output is correct
3	Correct	7 ms	12756 KB	Output is correct
4	Correct	8 ms	12904 KB	Output is correct
5	Correct	8 ms	13080 KB	Output is correct
6	Correct	8 ms	13012 KB	Output is correct
7	Correct	8 ms	13056 KB	Output is correct
8	Correct	8 ms	13168 KB	Output is correct
9	Correct	102 ms	33012 KB	Output is correct
10	Correct	124 ms	37104 KB	Output is correct
11	Correct	123 ms	36728 KB	Output is correct
12	Correct	155 ms	38156 KB	Output is correct
13	Correct	150 ms	42048 KB	Output is correct
14	Correct	120 ms	32948 KB	Output is correct
15	Correct	252 ms	39608 KB	Output is correct
16	Correct	270 ms	38896 KB	Output is correct
17	Correct	266 ms	40392 KB	Output is correct
18	Correct	381 ms	44312 KB	Output is correct
19	Correct	409 ms	47444 KB	Output is correct
20	Correct	367 ms	48660 KB	Output is correct
21	Correct	409 ms	47872 KB	Output is correct
22	Correct	377 ms	48636 KB	Output is correct
23	Correct	379 ms	48440 KB	Output is correct
24	Correct	423 ms	47040 KB	Output is correct
25	Correct	376 ms	48056 KB	Output is correct
26	Correct	410 ms	46676 KB	Output is correct
27	Correct	7 ms	13012 KB	Output is correct
28	Correct	8 ms	13136 KB	Output is correct
29	Correct	7 ms	13040 KB	Output is correct
30	Correct	9 ms	13012 KB	Output is correct
31	Correct	9 ms	13040 KB	Output is correct
32	Correct	8 ms	13044 KB	Output is correct
33	Correct	8 ms	13096 KB	Output is correct
34	Correct	8 ms	13140 KB	Output is correct
35	Correct	8 ms	13044 KB	Output is correct
36	Correct	20 ms	16372 KB	Output is correct
37	Correct	137 ms	37616 KB	Output is correct
38	Correct	139 ms	37600 KB	Output is correct
39	Correct	159 ms	37512 KB	Output is correct
40	Correct	131 ms	37380 KB	Output is correct
41	Correct	136 ms	37088 KB	Output is correct
42	Correct	124 ms	35160 KB	Output is correct
43	Correct	136 ms	37648 KB	Output is correct
44	Correct	149 ms	37692 KB	Output is correct
45	Correct	160 ms	42828 KB	Output is correct
46	Correct	141 ms	37700 KB	Output is correct
47	Correct	29 ms	16404 KB	Output is correct
48	Correct	256 ms	40396 KB	Output is correct
49	Correct	278 ms	40504 KB	Output is correct
50	Correct	265 ms	40396 KB	Output is correct
51	Correct	311 ms	40260 KB	Output is correct
52	Correct	263 ms	38872 KB	Output is correct
53	Correct	241 ms	33316 KB	Output is correct
54	Correct	294 ms	40984 KB	Output is correct
55	Correct	296 ms	40372 KB	Output is correct
56	Correct	447 ms	44432 KB	Output is correct
57	Correct	296 ms	41088 KB	Output is correct

Subtask #6

27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12852 KB	Output is correct
2	Correct	7 ms	12884 KB	Output is correct
3	Correct	7 ms	12768 KB	Output is correct
4	Correct	7 ms	12756 KB	Output is correct
5	Correct	8 ms	12904 KB	Output is correct
6	Correct	8 ms	13080 KB	Output is correct
7	Correct	8 ms	13012 KB	Output is correct
8	Correct	8 ms	13056 KB	Output is correct
9	Correct	8 ms	13168 KB	Output is correct
10	Correct	102 ms	33012 KB	Output is correct
11	Correct	124 ms	37104 KB	Output is correct
12	Correct	123 ms	36728 KB	Output is correct
13	Correct	155 ms	38156 KB	Output is correct
14	Correct	150 ms	42048 KB	Output is correct
15	Correct	120 ms	32948 KB	Output is correct
16	Correct	252 ms	39608 KB	Output is correct
17	Correct	270 ms	38896 KB	Output is correct
18	Correct	266 ms	40392 KB	Output is correct
19	Correct	381 ms	44312 KB	Output is correct
20	Correct	409 ms	47444 KB	Output is correct
21	Correct	367 ms	48660 KB	Output is correct
22	Correct	409 ms	47872 KB	Output is correct
23	Correct	377 ms	48636 KB	Output is correct
24	Correct	379 ms	48440 KB	Output is correct
25	Correct	423 ms	47040 KB	Output is correct
26	Correct	376 ms	48056 KB	Output is correct
27	Correct	410 ms	46676 KB	Output is correct
28	Correct	7 ms	13012 KB	Output is correct
29	Correct	8 ms	13136 KB	Output is correct
30	Correct	7 ms	13040 KB	Output is correct
31	Correct	9 ms	13012 KB	Output is correct
32	Correct	9 ms	13040 KB	Output is correct
33	Correct	8 ms	13044 KB	Output is correct
34	Correct	8 ms	13096 KB	Output is correct
35	Correct	8 ms	13140 KB	Output is correct
36	Correct	8 ms	13044 KB	Output is correct
37	Correct	20 ms	16372 KB	Output is correct
38	Correct	137 ms	37616 KB	Output is correct
39	Correct	139 ms	37600 KB	Output is correct
40	Correct	159 ms	37512 KB	Output is correct
41	Correct	131 ms	37380 KB	Output is correct
42	Correct	136 ms	37088 KB	Output is correct
43	Correct	124 ms	35160 KB	Output is correct
44	Correct	136 ms	37648 KB	Output is correct
45	Correct	149 ms	37692 KB	Output is correct
46	Correct	160 ms	42828 KB	Output is correct
47	Correct	141 ms	37700 KB	Output is correct
48	Correct	29 ms	16404 KB	Output is correct
49	Correct	256 ms	40396 KB	Output is correct
50	Correct	278 ms	40504 KB	Output is correct
51	Correct	265 ms	40396 KB	Output is correct
52	Correct	311 ms	40260 KB	Output is correct
53	Correct	263 ms	38872 KB	Output is correct
54	Correct	241 ms	33316 KB	Output is correct
55	Correct	294 ms	40984 KB	Output is correct
56	Correct	296 ms	40372 KB	Output is correct
57	Correct	447 ms	44432 KB	Output is correct
58	Correct	296 ms	41088 KB	Output is correct
59	Correct	103 ms	21096 KB	Output is correct
60	Correct	279 ms	40040 KB	Output is correct
61	Correct	253 ms	39508 KB	Output is correct
62	Correct	272 ms	41268 KB	Output is correct
63	Correct	423 ms	45104 KB	Output is correct
64	Correct	7 ms	13012 KB	Output is correct
65	Correct	7 ms	13012 KB	Output is correct
66	Correct	9 ms	13140 KB	Output is correct
67	Correct	8 ms	13044 KB	Output is correct
68	Correct	8 ms	13012 KB	Output is correct
69	Correct	10 ms	13268 KB	Output is correct
70	Correct	9 ms	13168 KB	Output is correct
71	Correct	9 ms	13268 KB	Output is correct
72	Correct	8 ms	13176 KB	Output is correct
73	Correct	9 ms	13268 KB	Output is correct
74	Correct	172 ms	42640 KB	Output is correct
75	Correct	132 ms	37624 KB	Output is correct
76	Correct	140 ms	37708 KB	Output is correct
77	Correct	163 ms	40616 KB	Output is correct
78	Correct	75 ms	23500 KB	Output is correct
79	Correct	66 ms	28612 KB	Output is correct
80	Correct	141 ms	38288 KB	Output is correct
81	Correct	191 ms	45016 KB	Output is correct
82	Correct	195 ms	48188 KB	Output is correct
83	Correct	198 ms	49776 KB	Output is correct
84	Correct	154 ms	42220 KB	Output is correct
85	Correct	215 ms	48728 KB	Output is correct
86	Correct	96 ms	25508 KB	Output is correct
87	Correct	281 ms	43864 KB	Output is correct
88	Correct	265 ms	43740 KB	Output is correct
89	Correct	384 ms	45388 KB	Output is correct
90	Correct	184 ms	32076 KB	Output is correct
91	Correct	238 ms	39628 KB	Output is correct
92	Correct	374 ms	44744 KB	Output is correct
93	Correct	348 ms	52328 KB	Output is correct
94	Correct	422 ms	55472 KB	Output is correct
95	Correct	329 ms	57076 KB	Output is correct
96	Correct	425 ms	48148 KB	Output is correct
97	Correct	419 ms	51376 KB	Output is correct