oj.uz

Submission #1062662

# Submission time Handle Problem Language Result Execution time Memory
1062662 2024-08-17T09:39:42 Z jamjanek Stations (IOI20_stations) C++14
76 / 100
 628 ms 1012 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

vector<int>graf[1010];
int pre[1010], it=-1, post[1010];
int dep[1010];
void dfs(int x, int o){
	dep[x] = dep[o]+1;
	pre[x] = ++it;
	for(auto j: graf[x])
		if(j!=o)
			dfs(j, x);
	post[x] = ++it;
}
vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	int i;
	dep[0] = 0;
	for(i=0;i<n;i++)graf[i].clear();
	for(i=0;i<n-1;i++){
		graf[u[i]].push_back(v[i]);
		graf[v[i]].push_back(u[i]);
	}
	it= -1;
	dfs(0, 0);
	std::vector<int> labels(n);
	for (int i = 0; i < n; i++) {
		if(dep[i]%2==1)
			labels[i] = pre[i];
		else labels[i] = post[i];
	}
//	for(i=0;i<n;i++)printf("%d: %d %d %d %d\n", i, dep[i], pre[i], post[i], labels[i]);
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
	if(c.size()==1)return c[0];
	int maxi=0;
	for(auto j: c)
		maxi = max(maxi, j);
	if(s>=maxi){
//		printf(" %d\n", s);
		sort(c.begin(), c.end());
		if(t>s)return c[0];
		if(t<c[1])return c[0];
		for(int i=1;i<(int)c.size();i++)
			if(i==(int)c.size()-1 || c[i+1]>t)return c[i];
	}
	sort(c.begin(), c.end());
	if(t<s){
		return c.back();
	}
	if(s==0){
		int pom = *lower_bound(c.begin(), c.end(), t);
		return pom;
	}
	if(t>c[(int)c.size()-1])return c.back();
	int pom = *lower_bound(c.begin(), c.end(), t);
	return pom;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 344 KB Invalid labels (values out of range). scenario=2, k=1000, vertex=1, label=1990
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 344 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1022
2 Halted 0 ms 0 KB -

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 341 ms 684 KB Output is correct
2 Correct 316 ms 912 KB Output is correct
3 Correct 514 ms 800 KB Output is correct
4 Correct 431 ms 684 KB Output is correct
5 Correct 394 ms 684 KB Output is correct
6 Correct 292 ms 684 KB Output is correct
7 Correct 306 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 776 KB Output is correct
11 Correct 395 ms 684 KB Output is correct
12 Correct 332 ms 792 KB Output is correct
13 Correct 307 ms 684 KB Output is correct
14 Correct 289 ms 684 KB Output is correct
15 Correct 30 ms 768 KB Output is correct
16 Correct 35 ms 768 KB Output is correct
17 Correct 69 ms 768 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 587 ms 684 KB Output is correct
2 Correct 447 ms 684 KB Output is correct
3 Correct 413 ms 684 KB Output is correct
4 Correct 1 ms 776 KB Output is correct
5 Correct 2 ms 768 KB Output is correct
6 Correct 0 ms 776 KB Output is correct
7 Correct 363 ms 684 KB Output is correct
8 Correct 577 ms 684 KB Output is correct
9 Correct 440 ms 688 KB Output is correct
10 Correct 424 ms 684 KB Output is correct
11 Correct 2 ms 776 KB Output is correct
12 Correct 2 ms 768 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 776 KB Output is correct
16 Correct 344 ms 684 KB Output is correct
17 Correct 369 ms 684 KB Output is correct
18 Correct 360 ms 684 KB Output is correct
19 Correct 341 ms 688 KB Output is correct
20 Correct 344 ms 684 KB Output is correct

Subtask #5
50.0 / 61.0

# Verdict Execution time Memory Grader output
1 Partially correct 357 ms 684 KB Partially correct
2 Partially correct 309 ms 908 KB Partially correct
3 Correct 628 ms 684 KB Output is correct
4 Correct 527 ms 684 KB Output is correct
5 Correct 401 ms 684 KB Output is correct
6 Partially correct 303 ms 684 KB Partially correct
7 Partially correct 311 ms 684 KB Partially correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 1 ms 772 KB Output is correct
10 Correct 0 ms 772 KB Output is correct
11 Partially correct 317 ms 804 KB Partially correct
12 Partially correct 396 ms 688 KB Partially correct
13 Correct 624 ms 684 KB Output is correct
14 Correct 434 ms 684 KB Output is correct
15 Correct 440 ms 936 KB Output is correct
16 Partially correct 320 ms 940 KB Partially correct
17 Correct 375 ms 688 KB Output is correct
18 Partially correct 329 ms 796 KB Partially correct
19 Partially correct 322 ms 788 KB Partially correct
20 Partially correct 295 ms 684 KB Partially correct
21 Correct 33 ms 768 KB Output is correct
22 Partially correct 46 ms 744 KB Partially correct
23 Partially correct 79 ms 720 KB Partially correct
24 Correct 3 ms 768 KB Output is correct
25 Correct 3 ms 776 KB Output is correct
26 Correct 2 ms 776 KB Output is correct
27 Correct 1 ms 768 KB Output is correct
28 Correct 0 ms 776 KB Output is correct
29 Correct 335 ms 684 KB Output is correct
30 Correct 356 ms 684 KB Output is correct
31 Correct 327 ms 684 KB Output is correct
32 Correct 331 ms 684 KB Output is correct
33 Correct 333 ms 684 KB Output is correct
34 Partially correct 229 ms 684 KB Partially correct
35 Partially correct 269 ms 940 KB Partially correct
36 Partially correct 312 ms 688 KB Partially correct
37 Partially correct 285 ms 684 KB Partially correct
38 Partially correct 309 ms 1012 KB Partially correct
39 Partially correct 290 ms 792 KB Partially correct
40 Partially correct 311 ms 800 KB Partially correct
41 Partially correct 315 ms 792 KB Partially correct
42 Partially correct 30 ms 768 KB Partially correct
43 Partially correct 88 ms 684 KB Partially correct
44 Partially correct 82 ms 768 KB Partially correct
45 Partially correct 102 ms 684 KB Partially correct
46 Partially correct 204 ms 684 KB Partially correct
47 Partially correct 203 ms 684 KB Partially correct
48 Partially correct 44 ms 768 KB Partially correct
49 Partially correct 28 ms 996 KB Partially correct