oj.uz

Submission #1102450

# Submission time Handle Problem Language Result Execution time Memory
1102450 2024-10-18T07:21:24 Z yavuzskarahan Kutije (COCI21_kutije) C++14
70 / 70
 805 ms 9548 KB 
// 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(0); cin.tie(0);
#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 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 = 2e5+5;
const long long MOD = 1e9+7;

int n, m, q, a, b, u, v;
vi adj[1005];
bool visited[1005];
int parent[1005];

inline int find(int a){
    if (a==parent[a]) return a;
    else return parent[a] = find(parent[a]);
}

inline void unite(int a, int b){
    a = find(a);
    b = find(b);
    parent[b] = a;
    return;
}

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,n) parent[i] = i;

    FOR(i,1,m){
        FOR(j,1,n){
            cin >> a;
            unite(j,a);
        }
    }

    while(q--){
        FOR(i,0,n+1) visited[i] = false;
        cin >> a >> b;
        if (find(a) == find(b)) cout << "DA" << endl;
        else cout << "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;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 741 ms 4012 KB Output is correct
2 Correct 649 ms 4940 KB Output is correct
3 Correct 607 ms 4752 KB Output is correct
4 Correct 745 ms 5708 KB Output is correct
5 Correct 742 ms 5720 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 2 ms 336 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 741 ms 4012 KB Output is correct
2 Correct 649 ms 4940 KB Output is correct
3 Correct 607 ms 4752 KB Output is correct
4 Correct 745 ms 5708 KB Output is correct
5 Correct 742 ms 5720 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 2 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 783 ms 9384 KB Output is correct
27 Correct 779 ms 9436 KB Output is correct
28 Correct 645 ms 8012 KB Output is correct
29 Correct 754 ms 9048 KB Output is correct
30 Correct 642 ms 8056 KB Output is correct
31 Correct 635 ms 7984 KB Output is correct
32 Correct 767 ms 9516 KB Output is correct
33 Correct 805 ms 9436 KB Output is correct
34 Correct 770 ms 9508 KB Output is correct
35 Correct 787 ms 9548 KB Output is correct