// In the name of God, the Most Gracious, the Most Merciful.
// iflbot(); - @yavuzskarahan
#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL);
#define file(x) freopen(x ".in", "r", stdin); freopen(x ".out", "w", stdout);
#define F0R(i, R) for (int i = (0); i < (R); i++)
#define FOR(i, L, R) for (int i = (L); i <= (R); i++)
#define SORT(v) sort((v).begin(), (v).end())
#define RSORT(v) sort((v).rbegin(), (v).rend())
#define ll long long
#define int long long
#define pb push_back
#define ub(v, a) upper_bound((v).begin(), (v).end(), (a))
#define lb(v, a) lower_bound((v).begin(), (v).end(), (a))
#define f first
#define s second
#define space << " " <<
#define vi vector<int>
#define pii pair<int,int>
#define vpii vector<pair<int,int>>
#define now chrono::high_resolution_clock::now()
const long long N = 2e6+5;
const long long MOD = 1e9+7;
int n, m, q, a, b, u, v;
vi adj[1005];
bool visited[1005];
inline bool dfs(int v, int p, int target){
if (v==target) return true;
if (visited[v]) return false;
visited[v] = true;
for(auto u : adj[v]){
if (dfs(u,v,target)) return true;
}
return false;
}
inline int solve(){
cin >> n >> m >> q;
FOR(i,1,m){
FOR(j,1,n){
cin >> a;
adj[j].pb(a);
}
}
while(q--){
FOR(i,1,n) visited[i] = false;
cin >> a >> b;
cout << (dfs(a,a,b) ? "DA" : "NE") << endl;
}
return 0;
}
int32_t main() {
#ifdef LOCAL
auto start = now;
#endif
fast;
//file("wormsort");
int t = 1;
//cin >> t;
while(t--){
solve();
}
#ifdef LOCAL
auto end = now;
chrono::duration<double> elapsed = end - start;
cout << endl << "runtime: " << endl << elapsed.count() << endl;
#endif
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1033 ms |
2892 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
1 ms |
584 KB |
Output is correct |
9 |
Correct |
1 ms |
596 KB |
Output is correct |
10 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
1 ms |
584 KB |
Output is correct |
9 |
Correct |
1 ms |
596 KB |
Output is correct |
10 |
Correct |
1 ms |
596 KB |
Output is correct |
11 |
Correct |
2 ms |
596 KB |
Output is correct |
12 |
Correct |
1 ms |
496 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
596 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
2 ms |
596 KB |
Output is correct |
17 |
Correct |
1 ms |
596 KB |
Output is correct |
18 |
Correct |
2 ms |
596 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
2 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1033 ms |
2892 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |