답안 #24185 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
24185	2017-06-01T10:31:29 Z	Bruteforceman	경주 (Race) (IOI11_race)	C++11	100 / 100	603 ms	70180 KB

race

#include "race.h"
#include "bits/stdc++.h"
using namespace std;

vector < pair <int, int> > g[200010];
int ans;
int len;

void dfs(int x, int par, map <long long, int> &f, long long &add, int &extra) {
	add = 0;
	extra = 0;
	f[0] = 0;

	for(auto i : g[x]) {
		if(i.first == par) continue;

		map <long long, int> t;
		long long plus;
		int rem;

		dfs(i.first, x, t, plus, rem);
		plus += i.second;
		rem += 1;

		if(t.size() > f.size()) {
			f.swap(t);
			swap(add, plus);
			swap(extra, rem);
		}
		for(auto i : t) {
			if(f.find(len - i.first - plus - add) != f.end()) {
				ans = min(ans, i.second + f[len - i.first - plus - add] + extra + rem);
			}
		}
		plus -= add;
		rem -= extra;
		for(auto i : t) {
			long long p = i.first + plus;
			if(f.find(p) == f.end()) {
				f[p] = i.second + rem;
			} else {
				f[p] = min(f[p], i.second + rem);
			}
		}
	}
}

int best_path(int N, int K, int H[][2], int L[])
{
	ans = INT_MAX;
	len = K;
	for(int i = 0; i <= N; i++) g[i].clear();
	for(int i = 0; i < N-1; i++) {
		int p = H[i][0];
		int q = H[i][1];
		int r = L[i];
		g[p].push_back(make_pair(q, r));
		g[q].push_back(make_pair(p, r));
	}
	map <long long, int> f;
	long long add;
	int extra;
	dfs(0, -1, f, add, extra);
	return ans == INT_MAX ? -1 : ans;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	5080 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	5 ms	5228 KB	Output is correct
4	Correct	6 ms	5228 KB	Output is correct
5	Correct	6 ms	5380 KB	Output is correct
6	Correct	7 ms	5380 KB	Output is correct
7	Correct	7 ms	5380 KB	Output is correct
8	Correct	5 ms	5380 KB	Output is correct
9	Correct	6 ms	5380 KB	Output is correct
10	Correct	5 ms	5380 KB	Output is correct
11	Correct	6 ms	5380 KB	Output is correct
12	Correct	5 ms	5380 KB	Output is correct
13	Correct	6 ms	5380 KB	Output is correct
14	Correct	7 ms	5380 KB	Output is correct
15	Correct	7 ms	5380 KB	Output is correct
16	Correct	6 ms	5380 KB	Output is correct
17	Correct	6 ms	5380 KB	Output is correct
18	Correct	7 ms	5380 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	5080 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	5 ms	5228 KB	Output is correct
4	Correct	6 ms	5228 KB	Output is correct
5	Correct	6 ms	5380 KB	Output is correct
6	Correct	7 ms	5380 KB	Output is correct
7	Correct	7 ms	5380 KB	Output is correct
8	Correct	5 ms	5380 KB	Output is correct
9	Correct	6 ms	5380 KB	Output is correct
10	Correct	5 ms	5380 KB	Output is correct
11	Correct	6 ms	5380 KB	Output is correct
12	Correct	5 ms	5380 KB	Output is correct
13	Correct	6 ms	5380 KB	Output is correct
14	Correct	7 ms	5380 KB	Output is correct
15	Correct	7 ms	5380 KB	Output is correct
16	Correct	6 ms	5380 KB	Output is correct
17	Correct	6 ms	5380 KB	Output is correct
18	Correct	7 ms	5380 KB	Output is correct
19	Correct	7 ms	5380 KB	Output is correct
20	Correct	7 ms	5380 KB	Output is correct
21	Correct	7 ms	5380 KB	Output is correct
22	Correct	10 ms	5380 KB	Output is correct
23	Correct	7 ms	5380 KB	Output is correct
24	Correct	7 ms	5380 KB	Output is correct
25	Correct	7 ms	5380 KB	Output is correct
26	Correct	9 ms	5380 KB	Output is correct
27	Correct	6 ms	5392 KB	Output is correct
28	Correct	9 ms	5392 KB	Output is correct
29	Correct	8 ms	5392 KB	Output is correct
30	Correct	7 ms	5392 KB	Output is correct
31	Correct	8 ms	5392 KB	Output is correct
32	Correct	8 ms	5392 KB	Output is correct
33	Correct	9 ms	5392 KB	Output is correct
34	Correct	7 ms	5392 KB	Output is correct
35	Correct	7 ms	5392 KB	Output is correct
36	Correct	7 ms	5480 KB	Output is correct
37	Correct	6 ms	5480 KB	Output is correct
38	Correct	6 ms	5480 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	5080 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	5 ms	5228 KB	Output is correct
4	Correct	6 ms	5228 KB	Output is correct
5	Correct	6 ms	5380 KB	Output is correct
6	Correct	7 ms	5380 KB	Output is correct
7	Correct	7 ms	5380 KB	Output is correct
8	Correct	5 ms	5380 KB	Output is correct
9	Correct	6 ms	5380 KB	Output is correct
10	Correct	5 ms	5380 KB	Output is correct
11	Correct	6 ms	5380 KB	Output is correct
12	Correct	5 ms	5380 KB	Output is correct
13	Correct	6 ms	5380 KB	Output is correct
14	Correct	7 ms	5380 KB	Output is correct
15	Correct	7 ms	5380 KB	Output is correct
16	Correct	6 ms	5380 KB	Output is correct
17	Correct	6 ms	5380 KB	Output is correct
18	Correct	7 ms	5380 KB	Output is correct
19	Correct	142 ms	10212 KB	Output is correct
20	Correct	198 ms	10316 KB	Output is correct
21	Correct	133 ms	10352 KB	Output is correct
22	Correct	174 ms	10352 KB	Output is correct
23	Correct	187 ms	10632 KB	Output is correct
24	Correct	182 ms	10632 KB	Output is correct
25	Correct	104 ms	24804 KB	Output is correct
26	Correct	89 ms	37732 KB	Output is correct
27	Correct	268 ms	37732 KB	Output is correct
28	Correct	474 ms	70180 KB	Output is correct
29	Correct	458 ms	70180 KB	Output is correct
30	Correct	274 ms	70180 KB	Output is correct
31	Correct	269 ms	70180 KB	Output is correct
32	Correct	252 ms	70180 KB	Output is correct
33	Correct	239 ms	70180 KB	Output is correct
34	Correct	482 ms	70180 KB	Output is correct

Subtask #4
57.0 / 57.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	5080 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	5 ms	5228 KB	Output is correct
4	Correct	6 ms	5228 KB	Output is correct
5	Correct	6 ms	5380 KB	Output is correct
6	Correct	7 ms	5380 KB	Output is correct
7	Correct	7 ms	5380 KB	Output is correct
8	Correct	5 ms	5380 KB	Output is correct
9	Correct	6 ms	5380 KB	Output is correct
10	Correct	5 ms	5380 KB	Output is correct
11	Correct	6 ms	5380 KB	Output is correct
12	Correct	5 ms	5380 KB	Output is correct
13	Correct	6 ms	5380 KB	Output is correct
14	Correct	7 ms	5380 KB	Output is correct
15	Correct	7 ms	5380 KB	Output is correct
16	Correct	6 ms	5380 KB	Output is correct
17	Correct	6 ms	5380 KB	Output is correct
18	Correct	7 ms	5380 KB	Output is correct
19	Correct	7 ms	5380 KB	Output is correct
20	Correct	7 ms	5380 KB	Output is correct
21	Correct	7 ms	5380 KB	Output is correct
22	Correct	10 ms	5380 KB	Output is correct
23	Correct	7 ms	5380 KB	Output is correct
24	Correct	7 ms	5380 KB	Output is correct
25	Correct	7 ms	5380 KB	Output is correct
26	Correct	9 ms	5380 KB	Output is correct
27	Correct	6 ms	5392 KB	Output is correct
28	Correct	9 ms	5392 KB	Output is correct
29	Correct	8 ms	5392 KB	Output is correct
30	Correct	7 ms	5392 KB	Output is correct
31	Correct	8 ms	5392 KB	Output is correct
32	Correct	8 ms	5392 KB	Output is correct
33	Correct	9 ms	5392 KB	Output is correct
34	Correct	7 ms	5392 KB	Output is correct
35	Correct	7 ms	5392 KB	Output is correct
36	Correct	7 ms	5480 KB	Output is correct
37	Correct	6 ms	5480 KB	Output is correct
38	Correct	6 ms	5480 KB	Output is correct
39	Correct	142 ms	10212 KB	Output is correct
40	Correct	198 ms	10316 KB	Output is correct
41	Correct	133 ms	10352 KB	Output is correct
42	Correct	174 ms	10352 KB	Output is correct
43	Correct	187 ms	10632 KB	Output is correct
44	Correct	182 ms	10632 KB	Output is correct
45	Correct	104 ms	24804 KB	Output is correct
46	Correct	89 ms	37732 KB	Output is correct
47	Correct	268 ms	37732 KB	Output is correct
48	Correct	474 ms	70180 KB	Output is correct
49	Correct	458 ms	70180 KB	Output is correct
50	Correct	274 ms	70180 KB	Output is correct
51	Correct	269 ms	70180 KB	Output is correct
52	Correct	252 ms	70180 KB	Output is correct
53	Correct	239 ms	70180 KB	Output is correct
54	Correct	482 ms	70180 KB	Output is correct
55	Correct	22 ms	70180 KB	Output is correct
56	Correct	15 ms	70180 KB	Output is correct
57	Correct	91 ms	70180 KB	Output is correct
58	Correct	64 ms	70180 KB	Output is correct
59	Correct	145 ms	70180 KB	Output is correct
60	Correct	408 ms	70180 KB	Output is correct
61	Correct	296 ms	70180 KB	Output is correct
62	Correct	242 ms	70180 KB	Output is correct
63	Correct	280 ms	70180 KB	Output is correct
64	Correct	550 ms	70180 KB	Output is correct
65	Correct	603 ms	70180 KB	Output is correct
66	Correct	451 ms	70180 KB	Output is correct
67	Correct	175 ms	70180 KB	Output is correct
68	Correct	469 ms	70180 KB	Output is correct
69	Correct	497 ms	70180 KB	Output is correct
70	Correct	461 ms	70180 KB	Output is correct

답안 #24185

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 12.0 / 12.0

Subtask #3 22.0 / 22.0

Subtask #4 57.0 / 57.0

Subtask #1
9.0 / 9.0

Subtask #2
12.0 / 12.0

Subtask #3
22.0 / 22.0

Subtask #4
57.0 / 57.0