답안 #17157 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
17157	2015-11-07T08:58:08 Z	erdemkiraz	꿈 (IOI13_dreaming)	C++	24 / 100	122 ms	12916 KB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>

using namespace std;

#define type(x) __typeof((x).begin())
#define foreach(it, x) for(type(x) it = (x).begin(); it != (x).end(); it++)
typedef long long ll;
typedef pair < int, int > ii;

const int inf = 1e9 + 333;
const ll linf = 1e18 + inf;

const int N = 1e5 + 5;

int curRoot;
vector < ii > v[N];

bool h[N];
int mx;
int dist[N], root[N];

vector < int > vec;

void dfs(int p, int x, int t = 0) {
	root[x] = curRoot;
	vec.push_back(x);
	h[x] = 1;
	dist[x] = t;
	if(mx == -1 or t > dist[mx]) {
		mx = x;
	}
	foreach(it, v[x]) {
		int u = it -> first;
		int e = it -> second;
		if(u != p)
			dfs(x, u, t + e);
	}
}

int distA[N], distB[N];

int calcLp(int x) {
	mx = -1;
	vec.clear();
	dfs(0, x);
	//printf("mx = %d\n", mx);
	//////////////////////////////
	int A = mx;
	mx = -1;
	vec.clear();
	dfs(0, A);
	foreach(it, vec) {
		int x = *it;
		distA[x] = dist[x];
	}
	/////////////////////////////
	int B = mx;
	mx = -1;
	vec.clear();
	dfs(0, B);
	foreach(it, vec) {
		int x = *it;
		distB[x] = dist[x];
	}
	int mn = 2 * inf, mni = -1;
	foreach(it, vec) {
		int x = *it;
		//printf("x = %d\n", x);
		if(abs(distA[x] - distB[x]) < mn) {
			mn = abs(distA[x] - distB[x]);
			mni = x;
		}
	}
	//puts("");
	assert(mni != -1);
	return mni;
}

int f(int x) {
	if(x != root[x])
		return root[x] = f(root[x]);
	return x;
}

int travelTime(int n, int m, int l, int A[], int B[], int T[]) {
	for(int i = 0; i < m; i++) {
		int x = A[i];
		int y = B[i];
		int c = T[i];
		v[x].push_back(ii(y, c));
		v[y].push_back(ii(x, c));
	}
	priority_queue < ii > Q;
	for(int i = 0; i < n; i++) {
		if(!h[i]) {
			//printf("i = %d\n", i);
			curRoot = i;
			int x = calcLp(i);
			int a = distA[x];
			int b = distB[x];
			if(a < b)
				swap(a, b);
			//printf("x = %d a = %d b = %d\n", x, a, b);
			Q.push(ii(-a, -b));
		}
	}
	while(Q.size() > 1) {
		int x1 = -Q.top().first;
		int y1 = -Q.top().second;
		Q.pop();
		int x2 = -Q.top().first;
		int y2 = -Q.top().second;
		Q.pop();
		if(x1 + y1 > x1 + x2 + l) {
			Q.push(ii(-(x1), -(y1)));
		}
		else if(x2 + y2 > x1 + x2 + l) {
			Q.push(ii(-(x2), -(y2)));
		}
		else {
			int n1 = max(x1, x2);
			int n2 = min(x1, x2) + l;
			if(n1 < n2)
				swap(n1, n2);
			Q.push(ii(-(n1), -(n2)));
		}
	}
	return -(Q.top().first + Q.top().second);
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	12916 KB	Output is correct
2	Correct	78 ms	12824 KB	Output is correct
3	Correct	56 ms	9460 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	10 ms	3584 KB	Output is correct
6	Correct	18 ms	5040 KB	Output is correct
7	Correct	4 ms	2816 KB	Output is correct
8	Correct	33 ms	6428 KB	Output is correct
9	Correct	40 ms	7900 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	60 ms	9464 KB	Output is correct
12	Correct	80 ms	11120 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	12916 KB	Output is correct
2	Correct	78 ms	12824 KB	Output is correct
3	Correct	56 ms	9460 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	10 ms	3584 KB	Output is correct
6	Correct	18 ms	5040 KB	Output is correct
7	Correct	4 ms	2816 KB	Output is correct
8	Correct	33 ms	6428 KB	Output is correct
9	Correct	40 ms	7900 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	60 ms	9464 KB	Output is correct
12	Correct	80 ms	11120 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	3 ms	2660 KB	Output is correct
16	Correct	4 ms	2688 KB	Output is correct
17	Correct	3 ms	2688 KB	Output is correct
18	Correct	4 ms	2688 KB	Output is correct
19	Correct	4 ms	2816 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	3 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	3 ms	2688 KB	Output is correct
24	Correct	4 ms	2688 KB	Output is correct
25	Correct	3 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	4 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	4 ms	2688 KB	Output is correct
37	Correct	3 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct

Subtask #3
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	12916 KB	Output is correct
2	Correct	78 ms	12824 KB	Output is correct
3	Correct	56 ms	9460 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	10 ms	3584 KB	Output is correct
6	Correct	18 ms	5040 KB	Output is correct
7	Correct	4 ms	2816 KB	Output is correct
8	Correct	33 ms	6428 KB	Output is correct
9	Correct	40 ms	7900 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	60 ms	9464 KB	Output is correct
12	Correct	80 ms	11120 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	3 ms	2660 KB	Output is correct
16	Correct	4 ms	2688 KB	Output is correct
17	Correct	3 ms	2688 KB	Output is correct
18	Correct	4 ms	2688 KB	Output is correct
19	Correct	4 ms	2816 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	3 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	3 ms	2688 KB	Output is correct
24	Correct	4 ms	2688 KB	Output is correct
25	Correct	3 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	4 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	4 ms	2688 KB	Output is correct
37	Correct	3 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct
39	Correct	90 ms	12896 KB	Output is correct
40	Correct	86 ms	12864 KB	Output is correct
41	Correct	43 ms	9460 KB	Output is correct
42	Correct	20 ms	4224 KB	Output is correct
43	Correct	4 ms	2688 KB	Output is correct
44	Correct	4 ms	2688 KB	Output is correct
45	Correct	4 ms	2688 KB	Output is correct
46	Correct	5 ms	2688 KB	Output is correct
47	Correct	5 ms	2688 KB	Output is correct
48	Correct	4 ms	2688 KB	Output is correct
49	Correct	3 ms	2688 KB	Output is correct
50	Correct	4 ms	2688 KB	Output is correct
51	Correct	4 ms	2660 KB	Output is correct
52	Correct	4 ms	2688 KB	Output is correct
53	Correct	4 ms	2688 KB	Output is correct
54	Correct	4 ms	2688 KB	Output is correct
55	Correct	8 ms	2688 KB	Output is correct
56	Correct	4 ms	2688 KB	Output is correct
57	Correct	84 ms	9936 KB	Output is correct
58	Correct	82 ms	9844 KB	Output is correct
59	Correct	107 ms	9840 KB	Output is correct
60	Correct	122 ms	9692 KB	Output is correct
61	Correct	88 ms	10000 KB	Output is correct
62	Correct	83 ms	9720 KB	Output is correct
63	Correct	90 ms	9716 KB	Output is correct
64	Incorrect	66 ms	9080 KB	Output isn't correct
65	Halted	0 ms	0 KB	-

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	48 ms	7156 KB	Output is correct
2	Incorrect	54 ms	7288 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	12916 KB	Output is correct
2	Correct	78 ms	12824 KB	Output is correct
3	Correct	56 ms	9460 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	10 ms	3584 KB	Output is correct
6	Correct	18 ms	5040 KB	Output is correct
7	Correct	4 ms	2816 KB	Output is correct
8	Correct	33 ms	6428 KB	Output is correct
9	Correct	40 ms	7900 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	60 ms	9464 KB	Output is correct
12	Correct	80 ms	11120 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2816 KB	Output is correct
15	Correct	5 ms	2816 KB	Output is correct
16	Correct	6 ms	2944 KB	Output is correct
17	Incorrect	4 ms	2816 KB	Output isn't correct
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	12916 KB	Output is correct
2	Correct	78 ms	12824 KB	Output is correct
3	Correct	56 ms	9460 KB	Output is correct
4	Correct	12 ms	4224 KB	Output is correct
5	Correct	10 ms	3584 KB	Output is correct
6	Correct	18 ms	5040 KB	Output is correct
7	Correct	4 ms	2816 KB	Output is correct
8	Correct	33 ms	6428 KB	Output is correct
9	Correct	40 ms	7900 KB	Output is correct
10	Correct	4 ms	2816 KB	Output is correct
11	Correct	60 ms	9464 KB	Output is correct
12	Correct	80 ms	11120 KB	Output is correct
13	Correct	4 ms	2816 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	3 ms	2660 KB	Output is correct
16	Correct	4 ms	2688 KB	Output is correct
17	Correct	3 ms	2688 KB	Output is correct
18	Correct	4 ms	2688 KB	Output is correct
19	Correct	4 ms	2816 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	3 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	3 ms	2688 KB	Output is correct
24	Correct	4 ms	2688 KB	Output is correct
25	Correct	3 ms	2688 KB	Output is correct
26	Correct	4 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	4 ms	2688 KB	Output is correct
30	Correct	4 ms	2688 KB	Output is correct
31	Correct	4 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	4 ms	2688 KB	Output is correct
37	Correct	3 ms	2688 KB	Output is correct
38	Correct	4 ms	2688 KB	Output is correct
39	Correct	90 ms	12896 KB	Output is correct
40	Correct	86 ms	12864 KB	Output is correct
41	Correct	43 ms	9460 KB	Output is correct
42	Correct	20 ms	4224 KB	Output is correct
43	Correct	4 ms	2688 KB	Output is correct
44	Correct	4 ms	2688 KB	Output is correct
45	Correct	4 ms	2688 KB	Output is correct
46	Correct	5 ms	2688 KB	Output is correct
47	Correct	5 ms	2688 KB	Output is correct
48	Correct	4 ms	2688 KB	Output is correct
49	Correct	3 ms	2688 KB	Output is correct
50	Correct	4 ms	2688 KB	Output is correct
51	Correct	4 ms	2660 KB	Output is correct
52	Correct	4 ms	2688 KB	Output is correct
53	Correct	4 ms	2688 KB	Output is correct
54	Correct	4 ms	2688 KB	Output is correct
55	Correct	8 ms	2688 KB	Output is correct
56	Correct	4 ms	2688 KB	Output is correct
57	Correct	84 ms	9936 KB	Output is correct
58	Correct	82 ms	9844 KB	Output is correct
59	Correct	107 ms	9840 KB	Output is correct
60	Correct	122 ms	9692 KB	Output is correct
61	Correct	88 ms	10000 KB	Output is correct
62	Correct	83 ms	9720 KB	Output is correct
63	Correct	90 ms	9716 KB	Output is correct
64	Incorrect	66 ms	9080 KB	Output isn't correct
65	Halted	0 ms	0 KB	-

답안 #17157

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0