oj.uz

Submission #103240

# Submission time Handle Problem Language Result Execution time Memory
103240 2019-03-29T09:49:59 Z dimash241 Dreaming (IOI13_dreaming) C++17
54 / 100
 100 ms 24308 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
 
#define _USE_MATH_DEFINES_
#define ll long long
#define ld long double
#define Accepted 0
#define pb push_back
#define mp make_pair
#define sz(x) (int)(x.size())
#define every(x) x.begin(),x.end()
#define F first
#define S second
#define For(i,x,y)  for (ll i = x; i <= y; i ++) 
#define FOr(i,x,y)  for (ll i = x; i >= y; i --)
#define SpeedForce ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
// ROAD to...                                                                                                                                                                                                                Red
 
using namespace std;
 
const double eps = 0.000001;
const ld pi = acos(-1);
const int maxn = 1e7 + 9;
const int mod = 1e9 + 7;
const ll MOD = 1e18 + 9;
const ll INF = 1e18 + 123;
const int inf = 2e9 + 11;
const int mxn = 1e6 + 9;
const int N = 6e5 + 123;                                          
const int M = 22;
const int pri = 997;
const int Magic = 2101;
 
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
 
vector < int > comp;
vector < pair < int, int > > g[N];
int n, m, k;
int u[N];
int p[N];
int col;
int dp[N];
int h[N];
int ans;

void dfs (int v, int par = 0) {
	u[v] = 1;
	comp.pb(v);
	for (auto to : g[v]) {
		if (to.F != par) {
			h[to.F] = h[v] + to.S;
			p[to.F] = v;
			dfs(to.F, v);
		}
	}
} 
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	n = N, m = M, k = L;
	for (int i = 1; i <= m; i ++) {
		int l, r, x;
		l = A[i - 1], r = B[i - 1], x = T[i - 1]; 
		g[l].pb(mp(r, x));
		g[r].pb(mp(l, x));
	}
	int ans = 0;
	vector < int > vv;
	for (int i = 0; i < n; i ++) {
		if (!u[i]) {
			col ++;
			p[i] = -1;
			comp.clear();
			h[i] = 0;
			dfs (i);
			int mx = i;
			for (auto e : comp)
				if (h[e] > h[mx]) mx = e;
			p[mx] = -1;
			comp.clear();
			h[mx] = 0;
			dfs(mx);
			for (auto e : comp)
				if (h[e] > h[mx]) mx = e;
			ans = max(ans, h[mx]);
			//cout << mx << ' ' << h[mx] << '\n';
			int half = h[mx];
			for (int v = mx; ~v; v = p[v]) {
				half = min(half, max(h[v], abs(h[v] - h[mx])));
			}
			vv.pb(half);
		}
	}
	sort(every(vv));
	reverse(every(vv));
	if (vv.size() >= 2)
		ans = max(ans, vv[0] + vv[1] + k);
	if (vv.size() >= 3)
		ans = max(ans, vv[1] + vv[2] + k * 2);
	return ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 24180 KB Output is correct
2 Correct 79 ms 24224 KB Output is correct
3 Correct 53 ms 20852 KB Output is correct
4 Correct 22 ms 16128 KB Output is correct
5 Correct 20 ms 15328 KB Output is correct
6 Correct 28 ms 16640 KB Output is correct
7 Correct 14 ms 14592 KB Output is correct
8 Correct 40 ms 17932 KB Output is correct
9 Correct 46 ms 19320 KB Output is correct
10 Correct 13 ms 14592 KB Output is correct
11 Correct 59 ms 20856 KB Output is correct
12 Correct 67 ms 22484 KB Output is correct
13 Correct 14 ms 14500 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 24180 KB Output is correct
2 Correct 79 ms 24224 KB Output is correct
3 Correct 53 ms 20852 KB Output is correct
4 Correct 22 ms 16128 KB Output is correct
5 Correct 20 ms 15328 KB Output is correct
6 Correct 28 ms 16640 KB Output is correct
7 Correct 14 ms 14592 KB Output is correct
8 Correct 40 ms 17932 KB Output is correct
9 Correct 46 ms 19320 KB Output is correct
10 Correct 13 ms 14592 KB Output is correct
11 Correct 59 ms 20856 KB Output is correct
12 Correct 67 ms 22484 KB Output is correct
13 Correct 14 ms 14500 KB Output is correct
14 Correct 13 ms 14464 KB Output is correct
15 Correct 13 ms 14464 KB Output is correct
16 Correct 13 ms 14464 KB Output is correct
17 Correct 14 ms 14436 KB Output is correct
18 Correct 14 ms 14464 KB Output is correct
19 Correct 14 ms 14464 KB Output is correct
20 Correct 13 ms 14464 KB Output is correct
21 Correct 13 ms 14464 KB Output is correct
22 Correct 13 ms 14464 KB Output is correct
23 Correct 13 ms 14464 KB Output is correct
24 Correct 13 ms 14464 KB Output is correct
25 Correct 13 ms 14464 KB Output is correct
26 Correct 13 ms 14464 KB Output is correct
27 Correct 14 ms 14464 KB Output is correct
28 Correct 12 ms 14464 KB Output is correct
29 Correct 13 ms 14424 KB Output is correct
30 Correct 14 ms 14464 KB Output is correct
31 Correct 13 ms 14464 KB Output is correct
32 Correct 13 ms 14464 KB Output is correct
33 Correct 13 ms 14464 KB Output is correct
34 Correct 13 ms 14460 KB Output is correct
35 Correct 13 ms 14464 KB Output is correct
36 Correct 13 ms 14464 KB Output is correct
37 Correct 14 ms 14464 KB Output is correct
38 Correct 14 ms 14464 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 24180 KB Output is correct
2 Correct 79 ms 24224 KB Output is correct
3 Correct 53 ms 20852 KB Output is correct
4 Correct 22 ms 16128 KB Output is correct
5 Correct 20 ms 15328 KB Output is correct
6 Correct 28 ms 16640 KB Output is correct
7 Correct 14 ms 14592 KB Output is correct
8 Correct 40 ms 17932 KB Output is correct
9 Correct 46 ms 19320 KB Output is correct
10 Correct 13 ms 14592 KB Output is correct
11 Correct 59 ms 20856 KB Output is correct
12 Correct 67 ms 22484 KB Output is correct
13 Correct 14 ms 14500 KB Output is correct
14 Correct 13 ms 14464 KB Output is correct
15 Correct 13 ms 14464 KB Output is correct
16 Correct 13 ms 14464 KB Output is correct
17 Correct 14 ms 14436 KB Output is correct
18 Correct 14 ms 14464 KB Output is correct
19 Correct 14 ms 14464 KB Output is correct
20 Correct 13 ms 14464 KB Output is correct
21 Correct 13 ms 14464 KB Output is correct
22 Correct 13 ms 14464 KB Output is correct
23 Correct 13 ms 14464 KB Output is correct
24 Correct 13 ms 14464 KB Output is correct
25 Correct 13 ms 14464 KB Output is correct
26 Correct 13 ms 14464 KB Output is correct
27 Correct 14 ms 14464 KB Output is correct
28 Correct 12 ms 14464 KB Output is correct
29 Correct 13 ms 14424 KB Output is correct
30 Correct 14 ms 14464 KB Output is correct
31 Correct 13 ms 14464 KB Output is correct
32 Correct 13 ms 14464 KB Output is correct
33 Correct 13 ms 14464 KB Output is correct
34 Correct 13 ms 14460 KB Output is correct
35 Correct 13 ms 14464 KB Output is correct
36 Correct 13 ms 14464 KB Output is correct
37 Correct 14 ms 14464 KB Output is correct
38 Correct 14 ms 14464 KB Output is correct
39 Correct 78 ms 24308 KB Output is correct
40 Correct 69 ms 24180 KB Output is correct
41 Correct 56 ms 20896 KB Output is correct
42 Correct 21 ms 15872 KB Output is correct
43 Correct 13 ms 14464 KB Output is correct
44 Correct 14 ms 14464 KB Output is correct
45 Correct 13 ms 14464 KB Output is correct
46 Correct 14 ms 14464 KB Output is correct
47 Correct 13 ms 14464 KB Output is correct
48 Correct 14 ms 14592 KB Output is correct
49 Correct 13 ms 14464 KB Output is correct
50 Correct 14 ms 14464 KB Output is correct
51 Correct 13 ms 14464 KB Output is correct
52 Correct 14 ms 14464 KB Output is correct
53 Correct 13 ms 14464 KB Output is correct
54 Correct 13 ms 14464 KB Output is correct
55 Correct 14 ms 14464 KB Output is correct
56 Correct 14 ms 14464 KB Output is correct
57 Correct 80 ms 21432 KB Output is correct
58 Correct 94 ms 21116 KB Output is correct
59 Correct 100 ms 21492 KB Output is correct
60 Correct 86 ms 20984 KB Output is correct
61 Correct 79 ms 21236 KB Output is correct
62 Correct 90 ms 20984 KB Output is correct
63 Correct 74 ms 21112 KB Output is correct
64 Incorrect 78 ms 21092 KB Output isn't correct
65 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 18304 KB Output is correct
2 Correct 49 ms 18340 KB Output is correct
3 Correct 47 ms 18296 KB Output is correct
4 Correct 41 ms 18304 KB Output is correct
5 Correct 42 ms 18296 KB Output is correct
6 Correct 50 ms 18808 KB Output is correct
7 Correct 40 ms 18432 KB Output is correct
8 Correct 38 ms 18176 KB Output is correct
9 Correct 37 ms 18168 KB Output is correct
10 Correct 38 ms 18432 KB Output is correct
11 Correct 13 ms 14464 KB Output is correct
12 Correct 18 ms 16380 KB Output is correct
13 Correct 19 ms 16252 KB Output is correct
14 Correct 18 ms 16252 KB Output is correct
15 Correct 19 ms 16252 KB Output is correct
16 Correct 18 ms 16252 KB Output is correct
17 Correct 18 ms 16164 KB Output is correct
18 Correct 20 ms 16380 KB Output is correct
19 Correct 18 ms 16252 KB Output is correct
20 Correct 13 ms 14464 KB Output is correct
21 Correct 12 ms 14464 KB Output is correct
22 Correct 13 ms 14464 KB Output is correct
23 Correct 18 ms 16280 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 24180 KB Output is correct
2 Correct 79 ms 24224 KB Output is correct
3 Correct 53 ms 20852 KB Output is correct
4 Correct 22 ms 16128 KB Output is correct
5 Correct 20 ms 15328 KB Output is correct
6 Correct 28 ms 16640 KB Output is correct
7 Correct 14 ms 14592 KB Output is correct
8 Correct 40 ms 17932 KB Output is correct
9 Correct 46 ms 19320 KB Output is correct
10 Correct 13 ms 14592 KB Output is correct
11 Correct 59 ms 20856 KB Output is correct
12 Correct 67 ms 22484 KB Output is correct
13 Correct 14 ms 14500 KB Output is correct
14 Correct 14 ms 14464 KB Output is correct
15 Correct 15 ms 14592 KB Output is correct
16 Correct 16 ms 14592 KB Output is correct
17 Correct 15 ms 14592 KB Output is correct
18 Correct 15 ms 14564 KB Output is correct
19 Correct 15 ms 14592 KB Output is correct
20 Correct 15 ms 14464 KB Output is correct
21 Correct 15 ms 14592 KB Output is correct
22 Correct 15 ms 14592 KB Output is correct
23 Correct 13 ms 14464 KB Output is correct
24 Correct 15 ms 14464 KB Output is correct
25 Correct 14 ms 14584 KB Output is correct
26 Correct 13 ms 14464 KB Output is correct
27 Correct 14 ms 14464 KB Output is correct
28 Correct 14 ms 14464 KB Output is correct
29 Correct 14 ms 14464 KB Output is correct
30 Correct 15 ms 14464 KB Output is correct
31 Correct 13 ms 14464 KB Output is correct
32 Correct 13 ms 14464 KB Output is correct
33 Correct 14 ms 14464 KB Output is correct
34 Correct 14 ms 14464 KB Output is correct
35 Correct 14 ms 14464 KB Output is correct
36 Correct 14 ms 14464 KB Output is correct
37 Correct 13 ms 14464 KB Output is correct
38 Correct 14 ms 14464 KB Output is correct
39 Correct 14 ms 14464 KB Output is correct
40 Correct 14 ms 14464 KB Output is correct
41 Correct 15 ms 14464 KB Output is correct
42 Correct 16 ms 14720 KB Output is correct
43 Correct 15 ms 14720 KB Output is correct
44 Correct 14 ms 14592 KB Output is correct
45 Correct 14 ms 14592 KB Output is correct
46 Correct 16 ms 14720 KB Output is correct
47 Correct 15 ms 14720 KB Output is correct
48 Correct 15 ms 14592 KB Output is correct
49 Correct 14 ms 14592 KB Output is correct
50 Correct 15 ms 14592 KB Output is correct
51 Correct 16 ms 14720 KB Output is correct
52 Correct 14 ms 14464 KB Output is correct
53 Correct 15 ms 14592 KB Output is correct
54 Correct 15 ms 14712 KB Output is correct
55 Correct 14 ms 14592 KB Output is correct
56 Correct 15 ms 14592 KB Output is correct
57 Correct 16 ms 14592 KB Output is correct
58 Correct 15 ms 14592 KB Output is correct
59 Correct 14 ms 14592 KB Output is correct
60 Correct 15 ms 14592 KB Output is correct
61 Correct 15 ms 14792 KB Output is correct
62 Correct 15 ms 14592 KB Output is correct
63 Correct 15 ms 14592 KB Output is correct
64 Correct 16 ms 14720 KB Output is correct
65 Correct 19 ms 14592 KB Output is correct
66 Correct 14 ms 14592 KB Output is correct
67 Correct 14 ms 14592 KB Output is correct
68 Correct 14 ms 14592 KB Output is correct
69 Correct 14 ms 14464 KB Output is correct
70 Correct 15 ms 14592 KB Output is correct
71 Correct 15 ms 14592 KB Output is correct
72 Correct 14 ms 14592 KB Output is correct
73 Correct 14 ms 14544 KB Output is correct
74 Correct 15 ms 14592 KB Output is correct
75 Correct 15 ms 14592 KB Output is correct
76 Correct 15 ms 14592 KB Output is correct
77 Correct 23 ms 14584 KB Output is correct
78 Correct 14 ms 14592 KB Output is correct
79 Correct 15 ms 14592 KB Output is correct
80 Correct 15 ms 14592 KB Output is correct
81 Correct 14 ms 14592 KB Output is correct
82 Correct 15 ms 14592 KB Output is correct
83 Correct 16 ms 14592 KB Output is correct
84 Correct 16 ms 14592 KB Output is correct
85 Correct 15 ms 14592 KB Output is correct
86 Correct 15 ms 14592 KB Output is correct
87 Correct 15 ms 14592 KB Output is correct
88 Correct 15 ms 14592 KB Output is correct
89 Correct 15 ms 14592 KB Output is correct
90 Correct 13 ms 14464 KB Output is correct
91 Correct 13 ms 14464 KB Output is correct
92 Correct 13 ms 14464 KB Output is correct
93 Correct 13 ms 14464 KB Output is correct
94 Correct 13 ms 14464 KB Output is correct
95 Correct 14 ms 14464 KB Output is correct
96 Correct 13 ms 14464 KB Output is correct
97 Correct 13 ms 14464 KB Output is correct
98 Correct 13 ms 14464 KB Output is correct
99 Correct 13 ms 14464 KB Output is correct
100 Correct 13 ms 14464 KB Output is correct
101 Correct 14 ms 14464 KB Output is correct
102 Correct 13 ms 14592 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 24180 KB Output is correct
2 Correct 79 ms 24224 KB Output is correct
3 Correct 53 ms 20852 KB Output is correct
4 Correct 22 ms 16128 KB Output is correct
5 Correct 20 ms 15328 KB Output is correct
6 Correct 28 ms 16640 KB Output is correct
7 Correct 14 ms 14592 KB Output is correct
8 Correct 40 ms 17932 KB Output is correct
9 Correct 46 ms 19320 KB Output is correct
10 Correct 13 ms 14592 KB Output is correct
11 Correct 59 ms 20856 KB Output is correct
12 Correct 67 ms 22484 KB Output is correct
13 Correct 14 ms 14500 KB Output is correct
14 Correct 13 ms 14464 KB Output is correct
15 Correct 13 ms 14464 KB Output is correct
16 Correct 13 ms 14464 KB Output is correct
17 Correct 14 ms 14436 KB Output is correct
18 Correct 14 ms 14464 KB Output is correct
19 Correct 14 ms 14464 KB Output is correct
20 Correct 13 ms 14464 KB Output is correct
21 Correct 13 ms 14464 KB Output is correct
22 Correct 13 ms 14464 KB Output is correct
23 Correct 13 ms 14464 KB Output is correct
24 Correct 13 ms 14464 KB Output is correct
25 Correct 13 ms 14464 KB Output is correct
26 Correct 13 ms 14464 KB Output is correct
27 Correct 14 ms 14464 KB Output is correct
28 Correct 12 ms 14464 KB Output is correct
29 Correct 13 ms 14424 KB Output is correct
30 Correct 14 ms 14464 KB Output is correct
31 Correct 13 ms 14464 KB Output is correct
32 Correct 13 ms 14464 KB Output is correct
33 Correct 13 ms 14464 KB Output is correct
34 Correct 13 ms 14460 KB Output is correct
35 Correct 13 ms 14464 KB Output is correct
36 Correct 13 ms 14464 KB Output is correct
37 Correct 14 ms 14464 KB Output is correct
38 Correct 14 ms 14464 KB Output is correct
39 Correct 78 ms 24308 KB Output is correct
40 Correct 69 ms 24180 KB Output is correct
41 Correct 56 ms 20896 KB Output is correct
42 Correct 21 ms 15872 KB Output is correct
43 Correct 13 ms 14464 KB Output is correct
44 Correct 14 ms 14464 KB Output is correct
45 Correct 13 ms 14464 KB Output is correct
46 Correct 14 ms 14464 KB Output is correct
47 Correct 13 ms 14464 KB Output is correct
48 Correct 14 ms 14592 KB Output is correct
49 Correct 13 ms 14464 KB Output is correct
50 Correct 14 ms 14464 KB Output is correct
51 Correct 13 ms 14464 KB Output is correct
52 Correct 14 ms 14464 KB Output is correct
53 Correct 13 ms 14464 KB Output is correct
54 Correct 13 ms 14464 KB Output is correct
55 Correct 14 ms 14464 KB Output is correct
56 Correct 14 ms 14464 KB Output is correct
57 Correct 80 ms 21432 KB Output is correct
58 Correct 94 ms 21116 KB Output is correct
59 Correct 100 ms 21492 KB Output is correct
60 Correct 86 ms 20984 KB Output is correct
61 Correct 79 ms 21236 KB Output is correct
62 Correct 90 ms 20984 KB Output is correct
63 Correct 74 ms 21112 KB Output is correct
64 Incorrect 78 ms 21092 KB Output isn't correct
65 Halted 0 ms 0 KB -