| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 201183 |
2020-02-09T15:51:08 Z |
faremy |
Toy Train (IOI17_train) |
C++14 |
|
348 ms |
1532 KB |
#include "train.h"
#include <algorithm>
#include <vector>
const int MAXN = 5e3;
int owner[MAXN], charge[MAXN];
std::vector<int> graph[MAXN];
int degree[MAXN];
std::vector<int> undet;
std::vector<int> removing;
bool toRemove[MAXN], removed[MAXN];
int currentDeg[MAXN];
void reset()
{
for (int node : undet)
{
toRemove[node] = false;
removed[node] = false;
currentDeg[node] = degree[node];
}
}
void flipowners()
{
for (int node : undet)
owner[node] = 1 - owner[node];
}
void removal()
{
for (int node : undet)
if (toRemove[node])
{
removing.emplace_back(node);
removed[node] = true;
}
while (!removing.empty())
{
int rm = removing.back();
removing.pop_back();
for (int next : graph[rm])
if (!removed[next])
{
currentDeg[next]--;
if (owner[next] == 1 || currentDeg[next] == 0)
{
removing.emplace_back(next);
removed[next] = true;
}
}
}
}
void findlosers()
{
reset();
for (int node : undet)
toRemove[node] = charge[node];
removal();
std::vector<int> losers;
for (int node : undet)
if (!removed[node])
losers.emplace_back(node);
reset();
flipowners();
for (int node : losers)
toRemove[node] = true;
removal();
flipowners();
}
std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v)
{
int stations = a.size();
int tracks = u.size();
std::vector<int> winner(stations, 0);
for (int iNode = 0; iNode < stations; iNode++)
{
owner[iNode] = a[iNode];
charge[iNode] = r[iNode];
undet.emplace_back(iNode);
}
for (int iEdge = 0; iEdge < tracks; iEdge++)
{
graph[v[iEdge]].emplace_back(u[iEdge]);
degree[u[iEdge]]++;
}
while (!undet.empty())
{
findlosers();
std::vector<int> losers;
for (int node : undet)
if (removed[node])
losers.emplace_back(node);
if (losers.empty())
{
for (int node : undet)
winner[node] = 1;
undet.clear();
}
else
{
for (int node : losers)
{
for (int next : graph[node])
degree[next]--;
undet.erase(std::find(undet.begin(), undet.end(), node));
}
}
}
return winner;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
30 ms |
1016 KB |
Output is correct |
| 2 |
Correct |
25 ms |
1144 KB |
Output is correct |
| 3 |
Correct |
24 ms |
1016 KB |
Output is correct |
| 4 |
Correct |
25 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
24 ms |
1016 KB |
Output is correct |
| 6 |
Correct |
23 ms |
1016 KB |
Output is correct |
| 7 |
Correct |
32 ms |
1016 KB |
Output is correct |
| 8 |
Correct |
13 ms |
1016 KB |
Output is correct |
| 9 |
Correct |
24 ms |
1016 KB |
Output is correct |
| 10 |
Correct |
25 ms |
1016 KB |
Output is correct |
| 11 |
Correct |
23 ms |
1144 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
504 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
504 KB |
Output is correct |
| 5 |
Correct |
5 ms |
504 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
380 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
504 KB |
Output is correct |
| 15 |
Correct |
5 ms |
504 KB |
Output is correct |
| 16 |
Correct |
5 ms |
504 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
504 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
125 ms |
1400 KB |
Output is correct |
| 2 |
Correct |
183 ms |
1400 KB |
Output is correct |
| 3 |
Correct |
206 ms |
1532 KB |
Output is correct |
| 4 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 5 |
Correct |
22 ms |
1400 KB |
Output is correct |
| 6 |
Correct |
33 ms |
1400 KB |
Output is correct |
| 7 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 8 |
Correct |
30 ms |
1400 KB |
Output is correct |
| 9 |
Correct |
41 ms |
1400 KB |
Output is correct |
| 10 |
Correct |
23 ms |
1400 KB |
Output is correct |
| 11 |
Correct |
25 ms |
1528 KB |
Output is correct |
| 12 |
Correct |
40 ms |
1400 KB |
Output is correct |
| 13 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 14 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 15 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 16 |
Correct |
12 ms |
1388 KB |
Output is correct |
| 17 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 18 |
Correct |
287 ms |
1272 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
11 ms |
1272 KB |
Output is correct |
| 2 |
Correct |
22 ms |
1272 KB |
Output is correct |
| 3 |
Correct |
39 ms |
1400 KB |
Output is correct |
| 4 |
Correct |
44 ms |
1400 KB |
Output is correct |
| 5 |
Correct |
31 ms |
1400 KB |
Output is correct |
| 6 |
Correct |
22 ms |
1400 KB |
Output is correct |
| 7 |
Correct |
24 ms |
1400 KB |
Output is correct |
| 8 |
Correct |
37 ms |
1400 KB |
Output is correct |
| 9 |
Correct |
21 ms |
1272 KB |
Output is correct |
| 10 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 11 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 12 |
Correct |
19 ms |
1400 KB |
Output is correct |
| 13 |
Correct |
28 ms |
1400 KB |
Output is correct |
| 14 |
Correct |
22 ms |
1272 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
29 ms |
1400 KB |
Output is correct |
| 2 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 3 |
Correct |
20 ms |
1400 KB |
Output is correct |
| 4 |
Correct |
12 ms |
1272 KB |
Output is correct |
| 5 |
Correct |
5 ms |
504 KB |
Output is correct |
| 6 |
Correct |
35 ms |
1016 KB |
Output is correct |
| 7 |
Correct |
9 ms |
1016 KB |
Output is correct |
| 8 |
Correct |
10 ms |
1016 KB |
Output is correct |
| 9 |
Correct |
9 ms |
1016 KB |
Output is correct |
| 10 |
Correct |
6 ms |
632 KB |
Output is correct |
| 11 |
Correct |
10 ms |
1016 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
30 ms |
1016 KB |
Output is correct |
| 2 |
Correct |
25 ms |
1144 KB |
Output is correct |
| 3 |
Correct |
24 ms |
1016 KB |
Output is correct |
| 4 |
Correct |
25 ms |
1144 KB |
Output is correct |
| 5 |
Correct |
24 ms |
1016 KB |
Output is correct |
| 6 |
Correct |
23 ms |
1016 KB |
Output is correct |
| 7 |
Correct |
32 ms |
1016 KB |
Output is correct |
| 8 |
Correct |
13 ms |
1016 KB |
Output is correct |
| 9 |
Correct |
24 ms |
1016 KB |
Output is correct |
| 10 |
Correct |
25 ms |
1016 KB |
Output is correct |
| 11 |
Correct |
23 ms |
1144 KB |
Output is correct |
| 12 |
Correct |
5 ms |
504 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
504 KB |
Output is correct |
| 16 |
Correct |
5 ms |
504 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
380 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
504 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
504 KB |
Output is correct |
| 26 |
Correct |
5 ms |
504 KB |
Output is correct |
| 27 |
Correct |
5 ms |
504 KB |
Output is correct |
| 28 |
Correct |
5 ms |
504 KB |
Output is correct |
| 29 |
Correct |
5 ms |
376 KB |
Output is correct |
| 30 |
Correct |
5 ms |
504 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
125 ms |
1400 KB |
Output is correct |
| 33 |
Correct |
183 ms |
1400 KB |
Output is correct |
| 34 |
Correct |
206 ms |
1532 KB |
Output is correct |
| 35 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 36 |
Correct |
22 ms |
1400 KB |
Output is correct |
| 37 |
Correct |
33 ms |
1400 KB |
Output is correct |
| 38 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 39 |
Correct |
30 ms |
1400 KB |
Output is correct |
| 40 |
Correct |
41 ms |
1400 KB |
Output is correct |
| 41 |
Correct |
23 ms |
1400 KB |
Output is correct |
| 42 |
Correct |
25 ms |
1528 KB |
Output is correct |
| 43 |
Correct |
40 ms |
1400 KB |
Output is correct |
| 44 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 45 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 46 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 47 |
Correct |
12 ms |
1388 KB |
Output is correct |
| 48 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 49 |
Correct |
287 ms |
1272 KB |
Output is correct |
| 50 |
Correct |
11 ms |
1272 KB |
Output is correct |
| 51 |
Correct |
22 ms |
1272 KB |
Output is correct |
| 52 |
Correct |
39 ms |
1400 KB |
Output is correct |
| 53 |
Correct |
44 ms |
1400 KB |
Output is correct |
| 54 |
Correct |
31 ms |
1400 KB |
Output is correct |
| 55 |
Correct |
22 ms |
1400 KB |
Output is correct |
| 56 |
Correct |
24 ms |
1400 KB |
Output is correct |
| 57 |
Correct |
37 ms |
1400 KB |
Output is correct |
| 58 |
Correct |
21 ms |
1272 KB |
Output is correct |
| 59 |
Correct |
12 ms |
1400 KB |
Output is correct |
| 60 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 61 |
Correct |
19 ms |
1400 KB |
Output is correct |
| 62 |
Correct |
28 ms |
1400 KB |
Output is correct |
| 63 |
Correct |
22 ms |
1272 KB |
Output is correct |
| 64 |
Correct |
29 ms |
1400 KB |
Output is correct |
| 65 |
Correct |
13 ms |
1400 KB |
Output is correct |
| 66 |
Correct |
20 ms |
1400 KB |
Output is correct |
| 67 |
Correct |
12 ms |
1272 KB |
Output is correct |
| 68 |
Correct |
5 ms |
504 KB |
Output is correct |
| 69 |
Correct |
35 ms |
1016 KB |
Output is correct |
| 70 |
Correct |
9 ms |
1016 KB |
Output is correct |
| 71 |
Correct |
10 ms |
1016 KB |
Output is correct |
| 72 |
Correct |
9 ms |
1016 KB |
Output is correct |
| 73 |
Correct |
6 ms |
632 KB |
Output is correct |
| 74 |
Correct |
10 ms |
1016 KB |
Output is correct |
| 75 |
Correct |
194 ms |
1400 KB |
Output is correct |
| 76 |
Correct |
221 ms |
1400 KB |
Output is correct |
| 77 |
Correct |
256 ms |
1400 KB |
Output is correct |
| 78 |
Correct |
254 ms |
1400 KB |
Output is correct |
| 79 |
Correct |
258 ms |
1400 KB |
Output is correct |
| 80 |
Correct |
18 ms |
1400 KB |
Output is correct |
| 81 |
Correct |
35 ms |
1400 KB |
Output is correct |
| 82 |
Correct |
26 ms |
1400 KB |
Output is correct |
| 83 |
Correct |
22 ms |
1400 KB |
Output is correct |
| 84 |
Correct |
27 ms |
1400 KB |
Output is correct |
| 85 |
Correct |
33 ms |
1400 KB |
Output is correct |
| 86 |
Correct |
28 ms |
1400 KB |
Output is correct |
| 87 |
Correct |
37 ms |
1400 KB |
Output is correct |
| 88 |
Correct |
32 ms |
1400 KB |
Output is correct |
| 89 |
Correct |
33 ms |
1400 KB |
Output is correct |
| 90 |
Correct |
35 ms |
1400 KB |
Output is correct |
| 91 |
Correct |
33 ms |
1400 KB |
Output is correct |
| 92 |
Correct |
37 ms |
1400 KB |
Output is correct |
| 93 |
Correct |
41 ms |
1400 KB |
Output is correct |
| 94 |
Correct |
41 ms |
1400 KB |
Output is correct |
| 95 |
Correct |
40 ms |
1400 KB |
Output is correct |
| 96 |
Correct |
84 ms |
1272 KB |
Output is correct |
| 97 |
Correct |
235 ms |
1400 KB |
Output is correct |
| 98 |
Correct |
348 ms |
1408 KB |
Output is correct |
| 99 |
Correct |
344 ms |
1400 KB |
Output is correct |
| 100 |
Correct |
285 ms |
1144 KB |
Output is correct |
