oj.uz

Submission #927052

# Submission time Handle Problem Language Result Execution time Memory
927052 2024-02-14T07:40:19 Z ByeWorld Stations (IOI20_stations) C++14
100 / 100
 624 ms 1584 KB 
#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii,int> ipii;
const int MAXN = 1e3+10;
const int MAX = 1e3;

int n, k;
vector <int> adj[MAXN], dw[MAXN];
vector <int> lab;
int cnt;

void dfs(int nw, int par, int dep){ // build val, tergantung dfs
	if(dep%2 == 0) lab[nw] = cnt++;
	for(auto nx : adj[nw]){
		if(nx == par) continue;
		dfs(nx, nw, dep+1);
	}
	if(dep%2) lab[nw] = cnt++;
}

vector<int> label(int N, int K, vector<int> u, vector<int> v) {
	n = N; k = K;
	lab.clear(); lab.resize(n); cnt = 0;
	for(int i=0; i<=n; i++){
		adj[i].clear(); dw[i].clear();
	}

	for(int i=0; i<n-1; i++){
		adj[u[i]].pb(v[i]); adj[v[i]].pb(u[i]);
	}

	dfs(0, -1, 0);
	//for(int i=0; i<n; i++) cout << i << ' '<< lab[i] << " p\n";
		
	return lab;
}

int find_next_station(int s, int t, vector<int> c) { // c sorted
	if(s < c[0]){ // dep[s] = 0
		if(t<s || t>=c.back()) return c.back(); // parent --> max
		return *lower_bound(c.begin(), c.end(), t);
	}
	if(t>s || t<=c.front()) return c.front();
	auto it = upper_bound(c.begin(), c.end(), t);
	it--;
	return *(it);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 353 ms 948 KB Output is correct
2 Correct 308 ms 960 KB Output is correct
3 Correct 594 ms 684 KB Output is correct
4 Correct 400 ms 684 KB Output is correct
5 Correct 383 ms 936 KB Output is correct
6 Correct 274 ms 944 KB Output is correct
7 Correct 314 ms 684 KB Output is correct
8 Correct 1 ms 768 KB Output is correct
9 Correct 3 ms 768 KB Output is correct
10 Correct 0 ms 768 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 285 ms 892 KB Output is correct
2 Correct 320 ms 832 KB Output is correct
3 Correct 612 ms 684 KB Output is correct
4 Correct 413 ms 936 KB Output is correct
5 Correct 387 ms 936 KB Output is correct
6 Correct 272 ms 684 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 342 ms 960 KB Output is correct
2 Correct 266 ms 964 KB Output is correct
3 Correct 490 ms 840 KB Output is correct
4 Correct 365 ms 684 KB Output is correct
5 Correct 336 ms 860 KB Output is correct
6 Correct 267 ms 932 KB Output is correct
7 Correct 264 ms 684 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 2 ms 764 KB Output is correct
10 Correct 0 ms 768 KB Output is correct
11 Correct 363 ms 1076 KB Output is correct
12 Correct 258 ms 1016 KB Output is correct
13 Correct 265 ms 1340 KB Output is correct
14 Correct 308 ms 684 KB Output is correct
15 Correct 31 ms 768 KB Output is correct
16 Correct 40 ms 944 KB Output is correct
17 Correct 54 ms 964 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 510 ms 684 KB Output is correct
2 Correct 366 ms 684 KB Output is correct
3 Correct 317 ms 684 KB Output is correct
4 Correct 1 ms 768 KB Output is correct
5 Correct 1 ms 768 KB Output is correct
6 Correct 1 ms 768 KB Output is correct
7 Correct 357 ms 684 KB Output is correct
8 Correct 586 ms 684 KB Output is correct
9 Correct 348 ms 684 KB Output is correct
10 Correct 361 ms 684 KB Output is correct
11 Correct 3 ms 764 KB Output is correct
12 Correct 4 ms 772 KB Output is correct
13 Correct 2 ms 768 KB Output is correct
14 Correct 2 ms 764 KB Output is correct
15 Correct 0 ms 768 KB Output is correct
16 Correct 346 ms 684 KB Output is correct
17 Correct 259 ms 684 KB Output is correct
18 Correct 294 ms 684 KB Output is correct
19 Correct 299 ms 684 KB Output is correct
20 Correct 303 ms 696 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 318 ms 948 KB Output is correct
2 Correct 228 ms 1076 KB Output is correct
3 Correct 584 ms 684 KB Output is correct
4 Correct 465 ms 684 KB Output is correct
5 Correct 398 ms 684 KB Output is correct
6 Correct 305 ms 956 KB Output is correct
7 Correct 275 ms 684 KB Output is correct
8 Correct 1 ms 768 KB Output is correct
9 Correct 2 ms 772 KB Output is correct
10 Correct 0 ms 768 KB Output is correct
11 Correct 247 ms 884 KB Output is correct
12 Correct 327 ms 864 KB Output is correct
13 Correct 624 ms 1188 KB Output is correct
14 Correct 464 ms 684 KB Output is correct
15 Correct 355 ms 944 KB Output is correct
16 Correct 298 ms 684 KB Output is correct
17 Correct 329 ms 684 KB Output is correct
18 Correct 345 ms 1052 KB Output is correct
19 Correct 293 ms 1584 KB Output is correct
20 Correct 305 ms 684 KB Output is correct
21 Correct 33 ms 768 KB Output is correct
22 Correct 38 ms 856 KB Output is correct
23 Correct 60 ms 880 KB Output is correct
24 Correct 2 ms 768 KB Output is correct
25 Correct 2 ms 776 KB Output is correct
26 Correct 2 ms 768 KB Output is correct
27 Correct 3 ms 768 KB Output is correct
28 Correct 1 ms 768 KB Output is correct
29 Correct 339 ms 684 KB Output is correct
30 Correct 291 ms 684 KB Output is correct
31 Correct 289 ms 684 KB Output is correct
32 Correct 301 ms 936 KB Output is correct
33 Correct 328 ms 684 KB Output is correct
34 Correct 190 ms 932 KB Output is correct
35 Correct 279 ms 1476 KB Output is correct
36 Correct 263 ms 1068 KB Output is correct
37 Correct 276 ms 1168 KB Output is correct
38 Correct 252 ms 1164 KB Output is correct
39 Correct 318 ms 1180 KB Output is correct
40 Correct 287 ms 1060 KB Output is correct
41 Correct 267 ms 1296 KB Output is correct
42 Correct 35 ms 956 KB Output is correct
43 Correct 52 ms 1156 KB Output is correct
44 Correct 77 ms 940 KB Output is correct
45 Correct 99 ms 936 KB Output is correct
46 Correct 165 ms 888 KB Output is correct
47 Correct 185 ms 916 KB Output is correct
48 Correct 34 ms 1252 KB Output is correct
49 Correct 31 ms 1456 KB Output is correct