oj.uz

Submission #17158

# Submission time Handle Problem Language Result Execution time Memory
17158 2015-11-07T09:03:10 Z erdemkiraz Dreaming (IOI13_dreaming) C++
24 / 100
 113 ms 13044 KB 
#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

# Verdict Execution time Memory Grader output
1 Correct 67 ms 13044 KB Output is correct
2 Correct 72 ms 12916 KB Output is correct
3 Correct 43 ms 9460 KB Output is correct
4 Correct 12 ms 4224 KB Output is correct
5 Correct 11 ms 3584 KB Output is correct
6 Correct 18 ms 5120 KB Output is correct
7 Correct 5 ms 2816 KB Output is correct
8 Correct 34 ms 6520 KB Output is correct
9 Correct 39 ms 7928 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 55 ms 9464 KB Output is correct
12 Correct 78 ms 11120 KB Output is correct
13 Correct 4 ms 2816 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 13044 KB Output is correct
2 Correct 72 ms 12916 KB Output is correct
3 Correct 43 ms 9460 KB Output is correct
4 Correct 12 ms 4224 KB Output is correct
5 Correct 11 ms 3584 KB Output is correct
6 Correct 18 ms 5120 KB Output is correct
7 Correct 5 ms 2816 KB Output is correct
8 Correct 34 ms 6520 KB Output is correct
9 Correct 39 ms 7928 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 55 ms 9464 KB Output is correct
12 Correct 78 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 4 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2816 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 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 5 ms 2688 KB Output is correct
28 Correct 4 ms 2660 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 6 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 3 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 4 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 13044 KB Output is correct
2 Correct 72 ms 12916 KB Output is correct
3 Correct 43 ms 9460 KB Output is correct
4 Correct 12 ms 4224 KB Output is correct
5 Correct 11 ms 3584 KB Output is correct
6 Correct 18 ms 5120 KB Output is correct
7 Correct 5 ms 2816 KB Output is correct
8 Correct 34 ms 6520 KB Output is correct
9 Correct 39 ms 7928 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 55 ms 9464 KB Output is correct
12 Correct 78 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 4 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2816 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 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 5 ms 2688 KB Output is correct
28 Correct 4 ms 2660 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 6 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 3 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 4 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
39 Correct 71 ms 12872 KB Output is correct
40 Correct 69 ms 12912 KB Output is correct
41 Correct 47 ms 9464 KB Output is correct
42 Correct 11 ms 4224 KB Output is correct
43 Correct 3 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 4 ms 2688 KB Output is correct
47 Correct 4 ms 2688 KB Output is correct
48 Correct 4 ms 2688 KB Output is correct
49 Correct 4 ms 2688 KB Output is correct
50 Correct 4 ms 2688 KB Output is correct
51 Correct 4 ms 2688 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 4 ms 2688 KB Output is correct
56 Correct 4 ms 2688 KB Output is correct
57 Correct 113 ms 9968 KB Output is correct
58 Correct 92 ms 9844 KB Output is correct
59 Correct 86 ms 9840 KB Output is correct
60 Correct 94 ms 9716 KB Output is correct
61 Correct 91 ms 9936 KB Output is correct
62 Correct 79 ms 9664 KB Output is correct
63 Correct 86 ms 9716 KB Output is correct
64 Incorrect 58 ms 9080 KB Output isn't correct
65 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7156 KB Output is correct
2 Incorrect 45 ms 7296 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 13044 KB Output is correct
2 Correct 72 ms 12916 KB Output is correct
3 Correct 43 ms 9460 KB Output is correct
4 Correct 12 ms 4224 KB Output is correct
5 Correct 11 ms 3584 KB Output is correct
6 Correct 18 ms 5120 KB Output is correct
7 Correct 5 ms 2816 KB Output is correct
8 Correct 34 ms 6520 KB Output is correct
9 Correct 39 ms 7928 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 55 ms 9464 KB Output is correct
12 Correct 78 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 5 ms 2816 KB Output is correct
16 Correct 6 ms 2944 KB Output is correct
17 Incorrect 5 ms 2816 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 13044 KB Output is correct
2 Correct 72 ms 12916 KB Output is correct
3 Correct 43 ms 9460 KB Output is correct
4 Correct 12 ms 4224 KB Output is correct
5 Correct 11 ms 3584 KB Output is correct
6 Correct 18 ms 5120 KB Output is correct
7 Correct 5 ms 2816 KB Output is correct
8 Correct 34 ms 6520 KB Output is correct
9 Correct 39 ms 7928 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 55 ms 9464 KB Output is correct
12 Correct 78 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 4 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2816 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 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 5 ms 2688 KB Output is correct
28 Correct 4 ms 2660 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 6 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 3 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 4 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
39 Correct 71 ms 12872 KB Output is correct
40 Correct 69 ms 12912 KB Output is correct
41 Correct 47 ms 9464 KB Output is correct
42 Correct 11 ms 4224 KB Output is correct
43 Correct 3 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 4 ms 2688 KB Output is correct
47 Correct 4 ms 2688 KB Output is correct
48 Correct 4 ms 2688 KB Output is correct
49 Correct 4 ms 2688 KB Output is correct
50 Correct 4 ms 2688 KB Output is correct
51 Correct 4 ms 2688 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 4 ms 2688 KB Output is correct
56 Correct 4 ms 2688 KB Output is correct
57 Correct 113 ms 9968 KB Output is correct
58 Correct 92 ms 9844 KB Output is correct
59 Correct 86 ms 9840 KB Output is correct
60 Correct 94 ms 9716 KB Output is correct
61 Correct 91 ms 9936 KB Output is correct
62 Correct 79 ms 9664 KB Output is correct
63 Correct 86 ms 9716 KB Output is correct
64 Incorrect 58 ms 9080 KB Output isn't correct
65 Halted 0 ms 0 KB -