답안 #563729

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
563729 2022-05-18T04:10:29 Z 8e7 자매 도시 (APIO20_swap) C++17
100 / 100
580 ms 25360 KB
//Challenge: Accepted
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 100005
#define pii pair<int, int>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
struct edge{
	int u, v, w;
	edge(){u = v = w = 0;}
	edge(int a, int b, int c){u = a, v = b, w = c;}
};
vector<pii> ev[maxn]; //events
int valid[maxn];
struct DSU{
	int par[maxn], deg[maxn], siz[maxn];
	bool mark[maxn];
	pii leaf[maxn];
	int ti;
	void init(int n) {
		for (int i = 0;i < n;i++) {
			ev[i].push_back({-1, i});
			siz[i] = 1;
			par[i] = i, deg[i] = 0, mark[i] = 0, leaf[i] = {i, 0}; 
			valid[i] = 1<<30;
		}
		ti = 0;
	}
	int find(int a) {
		if (a == par[a]) return a;
		int ret = find(par[a]);
		if (ret != par[a]) ev[a].push_back({ti, ret});
		par[a] = ret;
		return ret;
	}
	void Union(int a, int b) {
		int pa = find(a), pb = find(b);
		if (siz[pa] > siz[pb]) swap(pa, pb), swap(a, b);
		deg[a]++, deg[b]++;
		if (deg[a] >= 3 || deg[b] >= 3 || mark[pa]) {
			valid[pb] = min(valid[pb], ti);
			mark[pb] = 1;
		}
		if (deg[a] == 1 && deg[b] == 1) {
			leaf[pb] = {a, b};
		} else {
			if (pa == pb && (leaf[pa] == make_pair(a, b) || leaf[pa] == make_pair(b, a))) {
				valid[pb] = min(valid[pb], ti);
				mark[pb] = 1;
			}
			if (pa != pb) {
				pii p;
				if (deg[leaf[pa].ff] == 1) p.ff = leaf[pa].ff;
				else p.ff = leaf[pa].ss;
				if (deg[leaf[pb].ff] == 1) p.ss = leaf[pb].ff;
				else p.ss = leaf[pb].ss;
				leaf[pb] = p;
			}
		}
		if (pa != pb) {
			siz[pb] += siz[pa];
			ev[pa].push_back({ti, pb});
			par[pa] = pb;
		}
	}
} d;
vector<edge> ed;
int n, m;
void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
	n = N, m = M;
	for (int i = 0;i < m;i++) ed.push_back(edge(U[i], V[i], W[i]));
	sort(ed.begin(), ed.end(), [&] (edge x, edge y){return x.w < y.w;});
	d.init(n);
	for (int i = 0;i < m;i++) {
		d.Union(ed[i].u, ed[i].v);
		d.ti++;
	}
}
int pfind(int a, int ti) {
	int ind = upper_bound(ev[a].begin(), ev[a].end(), make_pair(ti, 1<<30)) - ev[a].begin() - 1;	
	if (ev[a][ind].ss == a) return a;
	return pfind(ev[a][ind].ss, ti);
}
int getMinimumFuelCapacity(int X, int Y) {
	int low = 0, up = m;
	while (low < up - 1) {
		int mid = (low + up) / 2;
		int vx = pfind(X, mid), vy = pfind(Y, mid);
		if (vx == vy && valid[vx] <= mid) up = mid;
		else low = mid;
	}
	if (up == m) return -1;
	else return ed[up].w;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 2 ms 3540 KB Output is correct
6 Correct 4 ms 3536 KB Output is correct
7 Correct 3 ms 3540 KB Output is correct
8 Correct 4 ms 3512 KB Output is correct
9 Correct 63 ms 10596 KB Output is correct
10 Correct 77 ms 12224 KB Output is correct
11 Correct 76 ms 12092 KB Output is correct
12 Correct 83 ms 12556 KB Output is correct
13 Correct 72 ms 11660 KB Output is correct
14 Correct 100 ms 10816 KB Output is correct
15 Correct 512 ms 14112 KB Output is correct
16 Correct 510 ms 13936 KB Output is correct
17 Correct 537 ms 14364 KB Output is correct
18 Correct 246 ms 13444 KB Output is correct
19 Correct 243 ms 8412 KB Output is correct
20 Correct 485 ms 15312 KB Output is correct
21 Correct 550 ms 15240 KB Output is correct
22 Correct 530 ms 15776 KB Output is correct
23 Correct 251 ms 14856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 215 ms 14324 KB Output is correct
4 Correct 241 ms 18380 KB Output is correct
5 Correct 232 ms 18520 KB Output is correct
6 Correct 223 ms 18272 KB Output is correct
7 Correct 234 ms 18608 KB Output is correct
8 Correct 226 ms 18184 KB Output is correct
9 Correct 228 ms 18328 KB Output is correct
10 Correct 226 ms 18124 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 2 ms 3540 KB Output is correct
6 Correct 4 ms 3536 KB Output is correct
7 Correct 3 ms 3540 KB Output is correct
8 Correct 4 ms 3512 KB Output is correct
9 Correct 2 ms 3412 KB Output is correct
10 Correct 3 ms 3540 KB Output is correct
11 Correct 3 ms 3540 KB Output is correct
12 Correct 2 ms 3540 KB Output is correct
13 Correct 2 ms 3412 KB Output is correct
14 Correct 3 ms 3460 KB Output is correct
15 Correct 3 ms 3540 KB Output is correct
16 Correct 3 ms 3540 KB Output is correct
17 Correct 2 ms 3540 KB Output is correct
18 Correct 3 ms 3540 KB Output is correct
19 Correct 2 ms 3540 KB Output is correct
20 Correct 3 ms 3540 KB Output is correct
21 Correct 3 ms 3540 KB Output is correct
22 Correct 3 ms 3540 KB Output is correct
23 Correct 3 ms 3412 KB Output is correct
24 Correct 3 ms 3540 KB Output is correct
25 Correct 4 ms 3540 KB Output is correct
26 Correct 4 ms 3540 KB Output is correct
27 Correct 2 ms 3540 KB Output is correct
28 Correct 3 ms 3556 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 2 ms 3412 KB Output is correct
6 Correct 2 ms 3540 KB Output is correct
7 Correct 4 ms 3536 KB Output is correct
8 Correct 3 ms 3540 KB Output is correct
9 Correct 4 ms 3512 KB Output is correct
10 Correct 63 ms 10596 KB Output is correct
11 Correct 77 ms 12224 KB Output is correct
12 Correct 76 ms 12092 KB Output is correct
13 Correct 83 ms 12556 KB Output is correct
14 Correct 72 ms 11660 KB Output is correct
15 Correct 3 ms 3540 KB Output is correct
16 Correct 3 ms 3540 KB Output is correct
17 Correct 2 ms 3540 KB Output is correct
18 Correct 2 ms 3412 KB Output is correct
19 Correct 3 ms 3460 KB Output is correct
20 Correct 3 ms 3540 KB Output is correct
21 Correct 3 ms 3540 KB Output is correct
22 Correct 2 ms 3540 KB Output is correct
23 Correct 3 ms 3540 KB Output is correct
24 Correct 2 ms 3540 KB Output is correct
25 Correct 3 ms 3540 KB Output is correct
26 Correct 3 ms 3540 KB Output is correct
27 Correct 3 ms 3540 KB Output is correct
28 Correct 3 ms 3412 KB Output is correct
29 Correct 3 ms 3540 KB Output is correct
30 Correct 4 ms 3540 KB Output is correct
31 Correct 4 ms 3540 KB Output is correct
32 Correct 2 ms 3540 KB Output is correct
33 Correct 3 ms 3556 KB Output is correct
34 Correct 10 ms 4700 KB Output is correct
35 Correct 88 ms 12564 KB Output is correct
36 Correct 82 ms 12556 KB Output is correct
37 Correct 72 ms 12580 KB Output is correct
38 Correct 72 ms 12436 KB Output is correct
39 Correct 86 ms 12404 KB Output is correct
40 Correct 67 ms 11616 KB Output is correct
41 Correct 82 ms 12608 KB Output is correct
42 Correct 73 ms 12604 KB Output is correct
43 Correct 79 ms 11776 KB Output is correct
44 Correct 79 ms 12544 KB Output is correct
45 Correct 87 ms 13728 KB Output is correct
46 Correct 71 ms 12624 KB Output is correct
47 Correct 74 ms 12640 KB Output is correct
48 Correct 72 ms 13200 KB Output is correct
49 Correct 60 ms 10304 KB Output is correct
50 Correct 48 ms 8184 KB Output is correct
51 Correct 70 ms 12308 KB Output is correct
52 Correct 112 ms 16008 KB Output is correct
53 Correct 104 ms 16276 KB Output is correct
54 Correct 129 ms 17688 KB Output is correct
55 Correct 56 ms 11780 KB Output is correct
56 Correct 103 ms 15940 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 2 ms 3540 KB Output is correct
6 Correct 4 ms 3536 KB Output is correct
7 Correct 3 ms 3540 KB Output is correct
8 Correct 4 ms 3512 KB Output is correct
9 Correct 63 ms 10596 KB Output is correct
10 Correct 77 ms 12224 KB Output is correct
11 Correct 76 ms 12092 KB Output is correct
12 Correct 83 ms 12556 KB Output is correct
13 Correct 72 ms 11660 KB Output is correct
14 Correct 100 ms 10816 KB Output is correct
15 Correct 512 ms 14112 KB Output is correct
16 Correct 510 ms 13936 KB Output is correct
17 Correct 537 ms 14364 KB Output is correct
18 Correct 246 ms 13444 KB Output is correct
19 Correct 215 ms 14324 KB Output is correct
20 Correct 241 ms 18380 KB Output is correct
21 Correct 232 ms 18520 KB Output is correct
22 Correct 223 ms 18272 KB Output is correct
23 Correct 234 ms 18608 KB Output is correct
24 Correct 226 ms 18184 KB Output is correct
25 Correct 228 ms 18328 KB Output is correct
26 Correct 226 ms 18124 KB Output is correct
27 Correct 3 ms 3540 KB Output is correct
28 Correct 3 ms 3540 KB Output is correct
29 Correct 2 ms 3540 KB Output is correct
30 Correct 2 ms 3412 KB Output is correct
31 Correct 3 ms 3460 KB Output is correct
32 Correct 3 ms 3540 KB Output is correct
33 Correct 3 ms 3540 KB Output is correct
34 Correct 2 ms 3540 KB Output is correct
35 Correct 3 ms 3540 KB Output is correct
36 Correct 10 ms 4700 KB Output is correct
37 Correct 88 ms 12564 KB Output is correct
38 Correct 82 ms 12556 KB Output is correct
39 Correct 72 ms 12580 KB Output is correct
40 Correct 72 ms 12436 KB Output is correct
41 Correct 86 ms 12404 KB Output is correct
42 Correct 67 ms 11616 KB Output is correct
43 Correct 82 ms 12608 KB Output is correct
44 Correct 73 ms 12604 KB Output is correct
45 Correct 79 ms 11776 KB Output is correct
46 Correct 79 ms 12544 KB Output is correct
47 Correct 33 ms 5348 KB Output is correct
48 Correct 436 ms 19252 KB Output is correct
49 Correct 424 ms 19380 KB Output is correct
50 Correct 451 ms 19224 KB Output is correct
51 Correct 420 ms 19140 KB Output is correct
52 Correct 396 ms 18808 KB Output is correct
53 Correct 338 ms 16700 KB Output is correct
54 Correct 435 ms 20320 KB Output is correct
55 Correct 443 ms 19396 KB Output is correct
56 Correct 212 ms 18396 KB Output is correct
57 Correct 376 ms 20116 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 2 ms 3412 KB Output is correct
6 Correct 2 ms 3540 KB Output is correct
7 Correct 4 ms 3536 KB Output is correct
8 Correct 3 ms 3540 KB Output is correct
9 Correct 4 ms 3512 KB Output is correct
10 Correct 63 ms 10596 KB Output is correct
11 Correct 77 ms 12224 KB Output is correct
12 Correct 76 ms 12092 KB Output is correct
13 Correct 83 ms 12556 KB Output is correct
14 Correct 72 ms 11660 KB Output is correct
15 Correct 100 ms 10816 KB Output is correct
16 Correct 512 ms 14112 KB Output is correct
17 Correct 510 ms 13936 KB Output is correct
18 Correct 537 ms 14364 KB Output is correct
19 Correct 246 ms 13444 KB Output is correct
20 Correct 215 ms 14324 KB Output is correct
21 Correct 241 ms 18380 KB Output is correct
22 Correct 232 ms 18520 KB Output is correct
23 Correct 223 ms 18272 KB Output is correct
24 Correct 234 ms 18608 KB Output is correct
25 Correct 226 ms 18184 KB Output is correct
26 Correct 228 ms 18328 KB Output is correct
27 Correct 226 ms 18124 KB Output is correct
28 Correct 3 ms 3540 KB Output is correct
29 Correct 3 ms 3540 KB Output is correct
30 Correct 2 ms 3540 KB Output is correct
31 Correct 2 ms 3412 KB Output is correct
32 Correct 3 ms 3460 KB Output is correct
33 Correct 3 ms 3540 KB Output is correct
34 Correct 3 ms 3540 KB Output is correct
35 Correct 2 ms 3540 KB Output is correct
36 Correct 3 ms 3540 KB Output is correct
37 Correct 10 ms 4700 KB Output is correct
38 Correct 88 ms 12564 KB Output is correct
39 Correct 82 ms 12556 KB Output is correct
40 Correct 72 ms 12580 KB Output is correct
41 Correct 72 ms 12436 KB Output is correct
42 Correct 86 ms 12404 KB Output is correct
43 Correct 67 ms 11616 KB Output is correct
44 Correct 82 ms 12608 KB Output is correct
45 Correct 73 ms 12604 KB Output is correct
46 Correct 79 ms 11776 KB Output is correct
47 Correct 79 ms 12544 KB Output is correct
48 Correct 33 ms 5348 KB Output is correct
49 Correct 436 ms 19252 KB Output is correct
50 Correct 424 ms 19380 KB Output is correct
51 Correct 451 ms 19224 KB Output is correct
52 Correct 420 ms 19140 KB Output is correct
53 Correct 396 ms 18808 KB Output is correct
54 Correct 338 ms 16700 KB Output is correct
55 Correct 435 ms 20320 KB Output is correct
56 Correct 443 ms 19396 KB Output is correct
57 Correct 212 ms 18396 KB Output is correct
58 Correct 376 ms 20116 KB Output is correct
59 Correct 243 ms 8412 KB Output is correct
60 Correct 485 ms 15312 KB Output is correct
61 Correct 550 ms 15240 KB Output is correct
62 Correct 530 ms 15776 KB Output is correct
63 Correct 251 ms 14856 KB Output is correct
64 Correct 2 ms 3540 KB Output is correct
65 Correct 3 ms 3540 KB Output is correct
66 Correct 3 ms 3540 KB Output is correct
67 Correct 3 ms 3540 KB Output is correct
68 Correct 3 ms 3412 KB Output is correct
69 Correct 3 ms 3540 KB Output is correct
70 Correct 4 ms 3540 KB Output is correct
71 Correct 4 ms 3540 KB Output is correct
72 Correct 2 ms 3540 KB Output is correct
73 Correct 3 ms 3556 KB Output is correct
74 Correct 87 ms 13728 KB Output is correct
75 Correct 71 ms 12624 KB Output is correct
76 Correct 74 ms 12640 KB Output is correct
77 Correct 72 ms 13200 KB Output is correct
78 Correct 60 ms 10304 KB Output is correct
79 Correct 48 ms 8184 KB Output is correct
80 Correct 70 ms 12308 KB Output is correct
81 Correct 112 ms 16008 KB Output is correct
82 Correct 104 ms 16276 KB Output is correct
83 Correct 129 ms 17688 KB Output is correct
84 Correct 56 ms 11780 KB Output is correct
85 Correct 103 ms 15940 KB Output is correct
86 Correct 78 ms 9388 KB Output is correct
87 Correct 422 ms 19260 KB Output is correct
88 Correct 438 ms 19392 KB Output is correct
89 Correct 290 ms 19416 KB Output is correct
90 Correct 235 ms 16888 KB Output is correct
91 Correct 235 ms 16688 KB Output is correct
92 Correct 273 ms 19672 KB Output is correct
93 Correct 475 ms 24148 KB Output is correct
94 Correct 375 ms 24604 KB Output is correct
95 Correct 580 ms 25360 KB Output is correct
96 Correct 217 ms 18536 KB Output is correct
97 Correct 331 ms 22596 KB Output is correct