#include <bits/stdc++.h>
using namespace std;
struct dsu
{
int n, p[1010];
void init(int nn)
{
n = nn;
for (int i = 1; i <= n; i++) p[i] = i;
}
int get(int v) { return v == p[v] ? v : p[v] = get(p[v]); }
bool same(int u, int v) { return get(u) == get(v); }
void uni(int u, int v) { u = get(u); v = get(v); p[u] = v; }
};
int main()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int n, m, q;
cin >> n >> m >> q;
int p[n + 1];
dsu d;
d.init(n);
while (m--)
for (int i = 1; i <= n; i++) { int v; cin >> v; d.uni(i, v); }
while (q--)
{
int a, b;
cin >> a >> b;
cout << (d.same(a, b) ? "DA" : "NE") << '\n';
}
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:28:6: warning: unused variable 'p' [-Wunused-variable]
28 | int p[n + 1];
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
87 ms |
5516 KB |
Output is correct |
| 2 |
Correct |
82 ms |
4856 KB |
Output is correct |
| 3 |
Correct |
66 ms |
4584 KB |
Output is correct |
| 4 |
Correct |
80 ms |
5584 KB |
Output is correct |
| 5 |
Correct |
105 ms |
5592 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
328 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
2 ms |
332 KB |
Output is correct |
| 15 |
Correct |
2 ms |
332 KB |
Output is correct |
| 16 |
Correct |
2 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
2 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
87 ms |
5516 KB |
Output is correct |
| 2 |
Correct |
82 ms |
4856 KB |
Output is correct |
| 3 |
Correct |
66 ms |
4584 KB |
Output is correct |
| 4 |
Correct |
80 ms |
5584 KB |
Output is correct |
| 5 |
Correct |
105 ms |
5592 KB |
Output is correct |
| 6 |
Correct |
1 ms |
324 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
328 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
2 ms |
332 KB |
Output is correct |
| 20 |
Correct |
2 ms |
332 KB |
Output is correct |
| 21 |
Correct |
2 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
328 KB |
Output is correct |
| 25 |
Correct |
2 ms |
332 KB |
Output is correct |
| 26 |
Correct |
138 ms |
9400 KB |
Output is correct |
| 27 |
Correct |
149 ms |
9372 KB |
Output is correct |
| 28 |
Correct |
140 ms |
7836 KB |
Output is correct |
| 29 |
Correct |
156 ms |
9176 KB |
Output is correct |
| 30 |
Correct |
136 ms |
7960 KB |
Output is correct |
| 31 |
Correct |
119 ms |
8096 KB |
Output is correct |
| 32 |
Correct |
149 ms |
9380 KB |
Output is correct |
| 33 |
Correct |
173 ms |
9372 KB |
Output is correct |
| 34 |
Correct |
137 ms |
9368 KB |
Output is correct |
| 35 |
Correct |
175 ms |
9372 KB |
Output is correct |
