| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 596536 |
2022-07-14T19:59:37 Z |
Elias |
Game (IOI14_game) |
C++17 |
|
451 ms |
25268 KB |
#include <bits/stdc++.h>
#ifndef _DEBUG
#include "game.h"
#endif
using namespace std;
vector<int> parent; // logn union find
vector<vector<int>> queried;
int n;
int find(int a)
{
if (parent[a] == a)
return a;
return parent[a] = find(parent[a]);
}
void initialize(int n)
{
::n = n;
parent = vector<int>(n);
queried = vector<vector<int>>(n, vector<int>(n));
for (int i = 0; i < n; i++)
{
parent[i] = i;
}
}
int hasEdge(int u, int v)
{
queried[u][v] = 1;
queried[v][u] = 1;
int U = find(u);
int V = find(v);
if (U > V)
swap(U, V), swap(u, v);
bool a = U == 0;
int b = V == 0;
if (a ^ b)
{
for (int i = 0; i < n; i++) // only insert edge if last query to group zero
if (find(i) == 0 && !queried[v][i])
return 0;
parent[V] = 0;
assert(U == 0);
return 1;
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
212 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
2 ms |
212 KB |
Output is correct |
| 23 |
Correct |
0 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
276 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
212 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
212 KB |
Output is correct |
| 23 |
Correct |
0 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
264 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
2 ms |
340 KB |
Output is correct |
| 38 |
Correct |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
1 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
1 ms |
344 KB |
Output is correct |
| 42 |
Correct |
3 ms |
340 KB |
Output is correct |
| 43 |
Correct |
2 ms |
340 KB |
Output is correct |
| 44 |
Correct |
2 ms |
340 KB |
Output is correct |
| 45 |
Correct |
3 ms |
340 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
1 ms |
340 KB |
Output is correct |
| 48 |
Correct |
1 ms |
340 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
1 ms |
340 KB |
Output is correct |
| 51 |
Correct |
2 ms |
340 KB |
Output is correct |
| 52 |
Correct |
1 ms |
340 KB |
Output is correct |
| 53 |
Correct |
2 ms |
340 KB |
Output is correct |
| 54 |
Correct |
2 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
216 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
216 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
216 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
216 KB |
Output is correct |
| 13 |
Correct |
1 ms |
220 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
2 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
212 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
212 KB |
Output is correct |
| 23 |
Correct |
0 ms |
212 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
2 ms |
212 KB |
Output is correct |
| 33 |
Correct |
2 ms |
212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
360 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
2 ms |
340 KB |
Output is correct |
| 37 |
Correct |
2 ms |
340 KB |
Output is correct |
| 38 |
Correct |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
2 ms |
340 KB |
Output is correct |
| 40 |
Correct |
2 ms |
340 KB |
Output is correct |
| 41 |
Correct |
1 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
340 KB |
Output is correct |
| 43 |
Correct |
2 ms |
340 KB |
Output is correct |
| 44 |
Correct |
1 ms |
340 KB |
Output is correct |
| 45 |
Correct |
1 ms |
340 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
2 ms |
340 KB |
Output is correct |
| 48 |
Correct |
2 ms |
340 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
2 ms |
340 KB |
Output is correct |
| 51 |
Correct |
2 ms |
340 KB |
Output is correct |
| 52 |
Correct |
1 ms |
340 KB |
Output is correct |
| 53 |
Correct |
2 ms |
340 KB |
Output is correct |
| 54 |
Correct |
3 ms |
340 KB |
Output is correct |
| 55 |
Correct |
37 ms |
2224 KB |
Output is correct |
| 56 |
Correct |
37 ms |
2080 KB |
Output is correct |
| 57 |
Correct |
62 ms |
2072 KB |
Output is correct |
| 58 |
Correct |
59 ms |
2128 KB |
Output is correct |
| 59 |
Correct |
57 ms |
2080 KB |
Output is correct |
| 60 |
Correct |
45 ms |
2124 KB |
Output is correct |
| 61 |
Correct |
40 ms |
2096 KB |
Output is correct |
| 62 |
Correct |
45 ms |
2024 KB |
Output is correct |
| 63 |
Correct |
50 ms |
2032 KB |
Output is correct |
| 64 |
Correct |
109 ms |
2124 KB |
Output is correct |
| 65 |
Correct |
41 ms |
2108 KB |
Output is correct |
| 66 |
Correct |
46 ms |
2108 KB |
Output is correct |
| 67 |
Correct |
47 ms |
2060 KB |
Output is correct |
| 68 |
Correct |
70 ms |
2108 KB |
Output is correct |
| 69 |
Correct |
38 ms |
2112 KB |
Output is correct |
| 70 |
Correct |
61 ms |
2040 KB |
Output is correct |
| 71 |
Correct |
42 ms |
2096 KB |
Output is correct |
| 72 |
Correct |
55 ms |
2028 KB |
Output is correct |
| 73 |
Correct |
50 ms |
2064 KB |
Output is correct |
| 74 |
Correct |
43 ms |
2112 KB |
Output is correct |
| 75 |
Correct |
59 ms |
2076 KB |
Output is correct |
| 76 |
Correct |
136 ms |
4444 KB |
Output is correct |
| 77 |
Correct |
107 ms |
4464 KB |
Output is correct |
| 78 |
Correct |
92 ms |
4440 KB |
Output is correct |
| 79 |
Correct |
94 ms |
4428 KB |
Output is correct |
| 80 |
Correct |
85 ms |
4420 KB |
Output is correct |
| 81 |
Correct |
90 ms |
4396 KB |
Output is correct |
| 82 |
Correct |
92 ms |
4408 KB |
Output is correct |
| 83 |
Correct |
89 ms |
4428 KB |
Output is correct |
| 84 |
Correct |
87 ms |
4408 KB |
Output is correct |
| 85 |
Correct |
187 ms |
7468 KB |
Output is correct |
| 86 |
Correct |
160 ms |
11512 KB |
Output is correct |
| 87 |
Correct |
181 ms |
11524 KB |
Output is correct |
| 88 |
Correct |
157 ms |
11508 KB |
Output is correct |
| 89 |
Correct |
183 ms |
11432 KB |
Output is correct |
| 90 |
Correct |
158 ms |
11536 KB |
Output is correct |
| 91 |
Correct |
171 ms |
11528 KB |
Output is correct |
| 92 |
Correct |
161 ms |
11456 KB |
Output is correct |
| 93 |
Correct |
173 ms |
11468 KB |
Output is correct |
| 94 |
Correct |
433 ms |
25128 KB |
Output is correct |
| 95 |
Correct |
418 ms |
25152 KB |
Output is correct |
| 96 |
Correct |
451 ms |
25088 KB |
Output is correct |
| 97 |
Correct |
418 ms |
25268 KB |
Output is correct |
| 98 |
Correct |
417 ms |
25160 KB |
Output is correct |
| 99 |
Correct |
426 ms |
25164 KB |
Output is correct |
| 100 |
Correct |
439 ms |
25176 KB |
Output is correct |
