#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define endl '\n'
#define AI(x) begin(x),end(x)
#ifdef DEBUG
#define debug(args...) LKJ("\033[1;32m[ "+string(#args)+" ]\033[0m", args)
template<class I> void LKJ(I&&x){ cerr << x << '\n'; }
template<class I, class...T> void LKJ(I&&x, T&&...t){ cerr << x << ", ", LKJ(t...); }
template<class I> void OI(I a, I b){ while(a < b) cerr << *a << " \n"[next(a) == b], ++a; }
#else
#define debug(...) 0
#define OI(...) 0
#endif
#define _ ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
struct DSU{
int n;
vector<int> arr;
void init(int _n) {
n = _n;
arr.clear();
arr.resize(n+1);
for (int i = 0; i <= n; ++i) {
arr[i] = i;
}
}
int query(int a) {
if (arr[a] == a) return a;
arr[a] = query(arr[a]);
return arr[a];
}
void modify(int a, int b) {
a = query(a);
b = query(b);
arr[a] = b;
}
}djs;
signed main(){_
int n, m, q;
cin >> n >> m >> q;
djs.init(n);
for (int i = 0; i < m; ++i) {
for (int j = 1; j <= n; ++j) {
int temp;
cin >> temp;
djs.modify(temp, j);
}
}
for (int i = 0; i < q; ++i){
int a, b;
cin >> a >> b;
if (djs.query(a) == djs.query(b)) {
cout << "DA\n";
} else {
cout << "NE\n";
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
72 ms |
1804 KB |
Output is correct |
2 |
Correct |
62 ms |
1600 KB |
Output is correct |
3 |
Correct |
63 ms |
1416 KB |
Output is correct |
4 |
Correct |
85 ms |
1812 KB |
Output is correct |
5 |
Correct |
73 ms |
1804 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
212 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 |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
212 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 |
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 |
2 ms |
212 KB |
Output is correct |
14 |
Correct |
1 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 |
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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
72 ms |
1804 KB |
Output is correct |
2 |
Correct |
62 ms |
1600 KB |
Output is correct |
3 |
Correct |
63 ms |
1416 KB |
Output is correct |
4 |
Correct |
85 ms |
1812 KB |
Output is correct |
5 |
Correct |
73 ms |
1804 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 |
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 |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
2 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 |
212 KB |
Output is correct |
26 |
Correct |
133 ms |
1740 KB |
Output is correct |
27 |
Correct |
144 ms |
1692 KB |
Output is correct |
28 |
Correct |
114 ms |
1464 KB |
Output is correct |
29 |
Correct |
127 ms |
1708 KB |
Output is correct |
30 |
Correct |
122 ms |
1532 KB |
Output is correct |
31 |
Correct |
122 ms |
1512 KB |
Output is correct |
32 |
Correct |
128 ms |
1792 KB |
Output is correct |
33 |
Correct |
132 ms |
1792 KB |
Output is correct |
34 |
Correct |
133 ms |
1712 KB |
Output is correct |
35 |
Correct |
130 ms |
1724 KB |
Output is correct |