#include<bits/stdc++.h>
using namespace std;
int par[1505], dp[1505][1505];
set<int> rep;
int find(int x) { if(x==par[x])return x;else return par[x]=find(par[x]); }
void merge(int a, int b) {
a = find(a), b = find(b); if(a==b)return;
rep.erase(a);
for(auto it : rep) dp[b][it] = dp[it][b] = dp[b][it] + dp[a][it];
par[a]=b;
}
void initialize(int n){
for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) dp[i][j] = 1;
for(int i = 0; i < n; i++) rep.insert(i), par[i]=i;
}
int hasEdge(int u, int v) {
if(find(u)==find(v))
return 0;
if(dp[find(u)][find(v)] == 1) {merge(u,v); return 1;}
dp[find(u)][find(v)]--, dp[find(v)][find(u)]--;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
308 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
308 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
312 KB |
Output is correct |
| 9 |
Correct |
1 ms |
304 KB |
Output is correct |
| 10 |
Correct |
1 ms |
304 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
288 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
304 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
304 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
276 KB |
Output is correct |
| 11 |
Correct |
1 ms |
304 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
312 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 |
304 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
308 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
308 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
468 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
436 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
436 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
436 KB |
Output is correct |
| 33 |
Correct |
1 ms |
340 KB |
Output is correct |
| 34 |
Correct |
2 ms |
596 KB |
Output is correct |
| 35 |
Correct |
2 ms |
596 KB |
Output is correct |
| 36 |
Correct |
2 ms |
596 KB |
Output is correct |
| 37 |
Correct |
2 ms |
596 KB |
Output is correct |
| 38 |
Correct |
2 ms |
596 KB |
Output is correct |
| 39 |
Correct |
2 ms |
576 KB |
Output is correct |
| 40 |
Correct |
2 ms |
724 KB |
Output is correct |
| 41 |
Correct |
1 ms |
684 KB |
Output is correct |
| 42 |
Correct |
2 ms |
596 KB |
Output is correct |
| 43 |
Correct |
1 ms |
576 KB |
Output is correct |
| 44 |
Correct |
2 ms |
596 KB |
Output is correct |
| 45 |
Correct |
2 ms |
596 KB |
Output is correct |
| 46 |
Correct |
2 ms |
572 KB |
Output is correct |
| 47 |
Correct |
2 ms |
596 KB |
Output is correct |
| 48 |
Correct |
2 ms |
596 KB |
Output is correct |
| 49 |
Correct |
3 ms |
596 KB |
Output is correct |
| 50 |
Correct |
2 ms |
688 KB |
Output is correct |
| 51 |
Correct |
2 ms |
700 KB |
Output is correct |
| 52 |
Correct |
2 ms |
596 KB |
Output is correct |
| 53 |
Correct |
1 ms |
596 KB |
Output is correct |
| 54 |
Correct |
2 ms |
572 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
308 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 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 |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
308 KB |
Output is correct |
| 13 |
Correct |
1 ms |
312 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 |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
472 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
468 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
1 ms |
436 KB |
Output is correct |
| 34 |
Correct |
2 ms |
596 KB |
Output is correct |
| 35 |
Correct |
2 ms |
680 KB |
Output is correct |
| 36 |
Correct |
2 ms |
596 KB |
Output is correct |
| 37 |
Correct |
2 ms |
596 KB |
Output is correct |
| 38 |
Correct |
2 ms |
604 KB |
Output is correct |
| 39 |
Correct |
2 ms |
604 KB |
Output is correct |
| 40 |
Correct |
2 ms |
588 KB |
Output is correct |
| 41 |
Correct |
2 ms |
600 KB |
Output is correct |
| 42 |
Correct |
3 ms |
596 KB |
Output is correct |
| 43 |
Correct |
2 ms |
596 KB |
Output is correct |
| 44 |
Correct |
2 ms |
688 KB |
Output is correct |
| 45 |
Correct |
2 ms |
596 KB |
Output is correct |
| 46 |
Correct |
2 ms |
596 KB |
Output is correct |
| 47 |
Correct |
2 ms |
596 KB |
Output is correct |
| 48 |
Correct |
2 ms |
688 KB |
Output is correct |
| 49 |
Correct |
1 ms |
596 KB |
Output is correct |
| 50 |
Correct |
3 ms |
580 KB |
Output is correct |
| 51 |
Correct |
2 ms |
596 KB |
Output is correct |
| 52 |
Correct |
2 ms |
576 KB |
Output is correct |
| 53 |
Correct |
2 ms |
596 KB |
Output is correct |
| 54 |
Correct |
3 ms |
596 KB |
Output is correct |
| 55 |
Correct |
39 ms |
5092 KB |
Output is correct |
| 56 |
Correct |
37 ms |
5044 KB |
Output is correct |
| 57 |
Correct |
36 ms |
5016 KB |
Output is correct |
| 58 |
Correct |
50 ms |
5068 KB |
Output is correct |
| 59 |
Correct |
40 ms |
5036 KB |
Output is correct |
| 60 |
Correct |
38 ms |
5208 KB |
Output is correct |
| 61 |
Correct |
35 ms |
5064 KB |
Output is correct |
| 62 |
Correct |
38 ms |
5100 KB |
Output is correct |
| 63 |
Correct |
54 ms |
5100 KB |
Output is correct |
| 64 |
Correct |
37 ms |
5072 KB |
Output is correct |
| 65 |
Correct |
36 ms |
5004 KB |
Output is correct |
| 66 |
Correct |
39 ms |
5064 KB |
Output is correct |
| 67 |
Correct |
54 ms |
5040 KB |
Output is correct |
| 68 |
Correct |
36 ms |
5064 KB |
Output is correct |
| 69 |
Correct |
36 ms |
5028 KB |
Output is correct |
| 70 |
Correct |
37 ms |
5056 KB |
Output is correct |
| 71 |
Correct |
35 ms |
4984 KB |
Output is correct |
| 72 |
Correct |
54 ms |
5060 KB |
Output is correct |
| 73 |
Correct |
40 ms |
5148 KB |
Output is correct |
| 74 |
Correct |
35 ms |
5028 KB |
Output is correct |
| 75 |
Correct |
36 ms |
5064 KB |
Output is correct |
| 76 |
Correct |
80 ms |
8860 KB |
Output is correct |
| 77 |
Correct |
113 ms |
8904 KB |
Output is correct |
| 78 |
Correct |
80 ms |
8908 KB |
Output is correct |
| 79 |
Correct |
83 ms |
8908 KB |
Output is correct |
| 80 |
Correct |
121 ms |
8980 KB |
Output is correct |
| 81 |
Correct |
82 ms |
8944 KB |
Output is correct |
| 82 |
Correct |
78 ms |
8924 KB |
Output is correct |
| 83 |
Correct |
90 ms |
8948 KB |
Output is correct |
| 84 |
Correct |
80 ms |
8908 KB |
Output is correct |
| 85 |
Correct |
140 ms |
13404 KB |
Output is correct |
| 86 |
Correct |
216 ms |
13548 KB |
Output is correct |
| 87 |
Correct |
142 ms |
13392 KB |
Output is correct |
| 88 |
Correct |
181 ms |
13476 KB |
Output is correct |
| 89 |
Correct |
149 ms |
13552 KB |
Output is correct |
| 90 |
Correct |
150 ms |
13448 KB |
Output is correct |
| 91 |
Correct |
209 ms |
13460 KB |
Output is correct |
| 92 |
Correct |
136 ms |
13376 KB |
Output is correct |
| 93 |
Correct |
165 ms |
13468 KB |
Output is correct |
| 94 |
Correct |
371 ms |
24316 KB |
Output is correct |
| 95 |
Correct |
359 ms |
22784 KB |
Output is correct |
| 96 |
Correct |
367 ms |
22860 KB |
Output is correct |
| 97 |
Correct |
354 ms |
22856 KB |
Output is correct |
| 98 |
Correct |
346 ms |
22892 KB |
Output is correct |
| 99 |
Correct |
388 ms |
22860 KB |
Output is correct |
| 100 |
Correct |
381 ms |
22880 KB |
Output is correct |
