Submission #569908

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
569908	2022-05-28T06:01:34 Z	sumit_kk10	Swapping Cities (APIO20_swap)	C++17	50 / 100	2000 ms	42240 KB

swap

#include "swap.h"
#include<bits/stdc++.h>
#include <vector>
#define pb push_back
#define F first
#define S second
using namespace std;
const int N = 1e6 + 5;
vector<pair<int, int> > g[N];
vector<pair<int, pair<int, int> > > edges;
int mx, n, m, component[N], deg[N], max_deg[N], edg_cnt[N], cnt[N];
bool sb2 = 1, sb1 = 1;

int find(int x){
	while(true){
		if(x == component[x])
			return x;
		component[x] = component[component[x]];
		x = component[x];
	}
}

void merge(int a, int b){
	int u = find(a), v = find(b);
	deg[a]++;
	deg[b]++;
	max_deg[v] = max({max_deg[v], max_deg[u], deg[a], deg[b]});
	if(v != u)
		edg_cnt[v] += edg_cnt[u] + 1;
	else
		edg_cnt[v]++;
	if(u != v)
		cnt[v] += cnt[u];
	component[u] = v;
}

void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
	n = N;
	m = M;
	int wut = 0;
	map<int, int> mp;
	for(int i = 0; i < M; ++i){
		int u = U[i], v = V[i], w = W[i];
		if(u != 0 and v != 0)
			sb2 = false;
		g[u].pb({w, v});
		g[v].pb({w, u});
		mx = max(mx, w);
		edges.pb({w, {u ,v}});
		mp[u]++;
		mp[v]++;
	}
	for(int i = 0; i < n; ++i)
		sort(g[i].begin(), g[i].end());
	sort(edges.begin(), edges.end());
	for(auto k : mp)
		wut = max(wut, k.S);
	if(wut > 2)
		sb1 = false;
}
 
int getMinimumFuelCapacity(int X, int Y) {
	if(sb2 and m == n - 1){
		if(n <= 3) return -1;
		if(X == 0){
			int x = g[Y][0].F, xx, dest, mn;
			if(g[0][0].S != Y){
				xx = g[0][0].F;
				dest = g[0][0].S;
			}else{
				xx = g[0][1].F;
				dest = g[0][1].S;
			}
			if(g[0][1].S != Y and g[0][1].S != dest)
				mn = g[0][1].F;
			else
				mn = g[0][2].F;
			return max({x, xx, mn});
		}
		int x = g[X][0].F, xx = g[Y][0].F, mn;
		if(g[0][0].S != X and g[0][0].S != Y)
			mn = g[0][0].F;
		else if(g[0][1].S != X and g[0][1].S != Y)
			mn = g[0][1].F;
		else
			mn = g[0][2].F;
		return max({x, xx, mn});
	}
	if(sb1){
		if(m == n - 1)
			return -1;
		else
			return mx;
	}
	for(int i = 0; i < n; ++i){
		component[i] = i;
		deg[i] = 0;
		max_deg[i] = 0;
		edg_cnt[i] = 0;
		cnt[i] = 1;
	}
	for(auto k : edges){
		int u = k.S.F, v = k.S.S, c = k.F;
		merge(u, v);
		// cout << ((max_deg[find(X)] > 2) or (edg_cnt[find(X)] >= cnt[find(X)])) << endl;
		if(find(X) == find(Y) and ((max_deg[find(X)] > 2) or (edg_cnt[find(X)] >= cnt[find(X)])))
			return c;
	}
	return -1;
}

Subtask #1

6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	13 ms	23776 KB	Output is correct
3	Correct	12 ms	23780 KB	Output is correct
4	Correct	12 ms	23764 KB	Output is correct
5	Correct	12 ms	23892 KB	Output is correct
6	Correct	13 ms	23864 KB	Output is correct
7	Correct	14 ms	23864 KB	Output is correct
8	Correct	13 ms	23784 KB	Output is correct
9	Correct	118 ms	33084 KB	Output is correct
10	Correct	144 ms	34648 KB	Output is correct
11	Correct	143 ms	34412 KB	Output is correct
12	Correct	189 ms	35032 KB	Output is correct
13	Correct	175 ms	35192 KB	Output is correct
14	Correct	117 ms	33156 KB	Output is correct
15	Correct	218 ms	36516 KB	Output is correct
16	Correct	196 ms	36272 KB	Output is correct
17	Correct	210 ms	36896 KB	Output is correct
18	Correct	243 ms	36876 KB	Output is correct
19	Correct	72 ms	29060 KB	Output is correct
20	Correct	197 ms	37632 KB	Output is correct
21	Correct	193 ms	37512 KB	Output is correct
22	Correct	238 ms	38292 KB	Output is correct
23	Correct	217 ms	38336 KB	Output is correct

Subtask #2

7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	13 ms	23776 KB	Output is correct
3	Correct	196 ms	38268 KB	Output is correct
4	Correct	187 ms	38676 KB	Output is correct
5	Correct	178 ms	38736 KB	Output is correct
6	Correct	185 ms	38552 KB	Output is correct
7	Correct	228 ms	38652 KB	Output is correct
8	Correct	170 ms	38168 KB	Output is correct
9	Correct	178 ms	38588 KB	Output is correct
10	Correct	189 ms	38288 KB	Output is correct

Subtask #3

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	13 ms	23776 KB	Output is correct
3	Correct	12 ms	23780 KB	Output is correct
4	Correct	12 ms	23764 KB	Output is correct
5	Correct	12 ms	23892 KB	Output is correct
6	Correct	13 ms	23864 KB	Output is correct
7	Correct	14 ms	23864 KB	Output is correct
8	Correct	13 ms	23784 KB	Output is correct
9	Correct	12 ms	23764 KB	Output is correct
10	Correct	14 ms	23892 KB	Output is correct
11	Correct	13 ms	23892 KB	Output is correct
12	Correct	12 ms	23892 KB	Output is correct
13	Correct	13 ms	23828 KB	Output is correct
14	Correct	13 ms	23896 KB	Output is correct
15	Correct	12 ms	23908 KB	Output is correct
16	Correct	13 ms	23932 KB	Output is correct
17	Correct	14 ms	23904 KB	Output is correct
18	Correct	14 ms	23924 KB	Output is correct
19	Correct	13 ms	23900 KB	Output is correct
20	Correct	13 ms	23892 KB	Output is correct
21	Correct	14 ms	23892 KB	Output is correct
22	Correct	13 ms	23892 KB	Output is correct
23	Correct	14 ms	23892 KB	Output is correct
24	Correct	13 ms	23892 KB	Output is correct
25	Correct	14 ms	24020 KB	Output is correct
26	Correct	13 ms	24020 KB	Output is correct
27	Correct	14 ms	23892 KB	Output is correct
28	Correct	16 ms	23968 KB	Output is correct

Subtask #4

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	23764 KB	Output is correct
2	Correct	11 ms	23764 KB	Output is correct
3	Correct	13 ms	23776 KB	Output is correct
4	Correct	12 ms	23780 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23892 KB	Output is correct
7	Correct	13 ms	23864 KB	Output is correct
8	Correct	14 ms	23864 KB	Output is correct
9	Correct	13 ms	23784 KB	Output is correct
10	Correct	118 ms	33084 KB	Output is correct
11	Correct	144 ms	34648 KB	Output is correct
12	Correct	143 ms	34412 KB	Output is correct
13	Correct	189 ms	35032 KB	Output is correct
14	Correct	175 ms	35192 KB	Output is correct
15	Correct	14 ms	23892 KB	Output is correct
16	Correct	13 ms	23892 KB	Output is correct
17	Correct	12 ms	23892 KB	Output is correct
18	Correct	13 ms	23828 KB	Output is correct
19	Correct	13 ms	23896 KB	Output is correct
20	Correct	12 ms	23908 KB	Output is correct
21	Correct	13 ms	23932 KB	Output is correct
22	Correct	14 ms	23904 KB	Output is correct
23	Correct	14 ms	23924 KB	Output is correct
24	Correct	13 ms	23900 KB	Output is correct
25	Correct	13 ms	23892 KB	Output is correct
26	Correct	14 ms	23892 KB	Output is correct
27	Correct	13 ms	23892 KB	Output is correct
28	Correct	14 ms	23892 KB	Output is correct
29	Correct	13 ms	23892 KB	Output is correct
30	Correct	14 ms	24020 KB	Output is correct
31	Correct	13 ms	24020 KB	Output is correct
32	Correct	14 ms	23892 KB	Output is correct
33	Correct	16 ms	23968 KB	Output is correct
34	Correct	27 ms	25628 KB	Output is correct
35	Correct	186 ms	35884 KB	Output is correct
36	Correct	170 ms	35888 KB	Output is correct
37	Correct	171 ms	35868 KB	Output is correct
38	Correct	180 ms	35952 KB	Output is correct
39	Correct	169 ms	35740 KB	Output is correct
40	Correct	162 ms	34916 KB	Output is correct
41	Correct	188 ms	35952 KB	Output is correct
42	Correct	180 ms	35956 KB	Output is correct
43	Correct	164 ms	35964 KB	Output is correct
44	Correct	182 ms	36384 KB	Output is correct
45	Correct	247 ms	38448 KB	Output is correct
46	Correct	182 ms	35936 KB	Output is correct
47	Correct	178 ms	35828 KB	Output is correct
48	Correct	201 ms	36344 KB	Output is correct
49	Correct	111 ms	34264 KB	Output is correct
50	Correct	101 ms	32032 KB	Output is correct
51	Correct	178 ms	35500 KB	Output is correct
52	Correct	265 ms	39816 KB	Output is correct
53	Correct	300 ms	40644 KB	Output is correct
54	Correct	327 ms	42240 KB	Output is correct
55	Correct	170 ms	36048 KB	Output is correct
56	Correct	287 ms	40316 KB	Output is correct

Subtask #5

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	13 ms	23776 KB	Output is correct
3	Correct	12 ms	23780 KB	Output is correct
4	Correct	12 ms	23764 KB	Output is correct
5	Correct	12 ms	23892 KB	Output is correct
6	Correct	13 ms	23864 KB	Output is correct
7	Correct	14 ms	23864 KB	Output is correct
8	Correct	13 ms	23784 KB	Output is correct
9	Correct	118 ms	33084 KB	Output is correct
10	Correct	144 ms	34648 KB	Output is correct
11	Correct	143 ms	34412 KB	Output is correct
12	Correct	189 ms	35032 KB	Output is correct
13	Correct	175 ms	35192 KB	Output is correct
14	Correct	117 ms	33156 KB	Output is correct
15	Correct	218 ms	36516 KB	Output is correct
16	Correct	196 ms	36272 KB	Output is correct
17	Correct	210 ms	36896 KB	Output is correct
18	Correct	243 ms	36876 KB	Output is correct
19	Correct	196 ms	38268 KB	Output is correct
20	Correct	187 ms	38676 KB	Output is correct
21	Correct	178 ms	38736 KB	Output is correct
22	Correct	185 ms	38552 KB	Output is correct
23	Correct	228 ms	38652 KB	Output is correct
24	Correct	170 ms	38168 KB	Output is correct
25	Correct	178 ms	38588 KB	Output is correct
26	Correct	189 ms	38288 KB	Output is correct
27	Correct	14 ms	23892 KB	Output is correct
28	Correct	13 ms	23892 KB	Output is correct
29	Correct	12 ms	23892 KB	Output is correct
30	Correct	13 ms	23828 KB	Output is correct
31	Correct	13 ms	23896 KB	Output is correct
32	Correct	12 ms	23908 KB	Output is correct
33	Correct	13 ms	23932 KB	Output is correct
34	Correct	14 ms	23904 KB	Output is correct
35	Correct	14 ms	23924 KB	Output is correct
36	Correct	27 ms	25628 KB	Output is correct
37	Correct	186 ms	35884 KB	Output is correct
38	Correct	170 ms	35888 KB	Output is correct
39	Correct	171 ms	35868 KB	Output is correct
40	Correct	180 ms	35952 KB	Output is correct
41	Correct	169 ms	35740 KB	Output is correct
42	Correct	162 ms	34916 KB	Output is correct
43	Correct	188 ms	35952 KB	Output is correct
44	Correct	180 ms	35956 KB	Output is correct
45	Correct	164 ms	35964 KB	Output is correct
46	Correct	182 ms	36384 KB	Output is correct
47	Execution timed out	2075 ms	25684 KB	Time limit exceeded
48	Halted	0 ms	0 KB	-

Subtask #6

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	23764 KB	Output is correct
2	Correct	11 ms	23764 KB	Output is correct
3	Correct	13 ms	23776 KB	Output is correct
4	Correct	12 ms	23780 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23892 KB	Output is correct
7	Correct	13 ms	23864 KB	Output is correct
8	Correct	14 ms	23864 KB	Output is correct
9	Correct	13 ms	23784 KB	Output is correct
10	Correct	118 ms	33084 KB	Output is correct
11	Correct	144 ms	34648 KB	Output is correct
12	Correct	143 ms	34412 KB	Output is correct
13	Correct	189 ms	35032 KB	Output is correct
14	Correct	175 ms	35192 KB	Output is correct
15	Correct	117 ms	33156 KB	Output is correct
16	Correct	218 ms	36516 KB	Output is correct
17	Correct	196 ms	36272 KB	Output is correct
18	Correct	210 ms	36896 KB	Output is correct
19	Correct	243 ms	36876 KB	Output is correct
20	Correct	196 ms	38268 KB	Output is correct
21	Correct	187 ms	38676 KB	Output is correct
22	Correct	178 ms	38736 KB	Output is correct
23	Correct	185 ms	38552 KB	Output is correct
24	Correct	228 ms	38652 KB	Output is correct
25	Correct	170 ms	38168 KB	Output is correct
26	Correct	178 ms	38588 KB	Output is correct
27	Correct	189 ms	38288 KB	Output is correct
28	Correct	14 ms	23892 KB	Output is correct
29	Correct	13 ms	23892 KB	Output is correct
30	Correct	12 ms	23892 KB	Output is correct
31	Correct	13 ms	23828 KB	Output is correct
32	Correct	13 ms	23896 KB	Output is correct
33	Correct	12 ms	23908 KB	Output is correct
34	Correct	13 ms	23932 KB	Output is correct
35	Correct	14 ms	23904 KB	Output is correct
36	Correct	14 ms	23924 KB	Output is correct
37	Correct	27 ms	25628 KB	Output is correct
38	Correct	186 ms	35884 KB	Output is correct
39	Correct	170 ms	35888 KB	Output is correct
40	Correct	171 ms	35868 KB	Output is correct
41	Correct	180 ms	35952 KB	Output is correct
42	Correct	169 ms	35740 KB	Output is correct
43	Correct	162 ms	34916 KB	Output is correct
44	Correct	188 ms	35952 KB	Output is correct
45	Correct	180 ms	35956 KB	Output is correct
46	Correct	164 ms	35964 KB	Output is correct
47	Correct	182 ms	36384 KB	Output is correct
48	Execution timed out	2075 ms	25684 KB	Time limit exceeded
49	Halted	0 ms	0 KB	-