oj.uz

Submission #891528

# Submission time Handle Problem Language Result Execution time Memory
891528 2023-12-23T07:14:14 Z Mr_Ph Kutije (COCI21_kutije) C++17
70 / 70
 967 ms 14592 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
typedef long long ll;
using namespace std;
using namespace __gnu_pbds;
template<class x>
using ordered_set = tree<x, null_type,less<x>, rb_tree_tag,tree_order_statistics_node_update>;
const int mod=(int)1e9+7;
///the defines :)
#define endl '\n'
#define vi vector<int>
#define vll vector<ll>
#define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i];
#define all(arr) arr.begin(),arr.end()
#define allr(arr) arr.rbegin(),arr.rend()
#define sz size()
//#define int long long
bool can[1002][1002];
vector<vi>adj;
void dfs(int node,int toy)
{
    //cout<<node<<" "<<toy<<endl;
    can[node][toy]=true;
    for(auto i:adj[node])
    {
        if(!can[i][toy]){
            //cout<<"WHAT"<<endl;
        dfs(i,toy);
        }
    }
}
void preprocess() {}
void solve()
{
    int n,m,q;
    cin>>n>>m>>q;
    adj.resize(n+1);
    for(int i=0;i<m;i++)
    {
        for(int j=1;j<=n;j++)
        {
            int x;
            cin>>x;
            adj[j].push_back(x);
        }
    }
    for(int i=1;i<=n;i++)dfs(i,i);
    while(q--)
    {
        int a,b;
        cin>>a>>b;
        if(can[b][a])cout<<"DA"<<endl;
        else cout<<"NE"<<endl;
    }
}
signed main()
{
    // freopen("div7.in","r",stdin);
    //freopen("div7.out","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    preprocess();
    //bla();
    int t=1;
  //  cin>>t;
    while(t--)
        solve();
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 2900 KB Output is correct
2 Correct 65 ms 2644 KB Output is correct
3 Correct 57 ms 2592 KB Output is correct
4 Correct 77 ms 3020 KB Output is correct
5 Correct 64 ms 2900 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 2900 KB Output is correct
2 Correct 65 ms 2644 KB Output is correct
3 Correct 57 ms 2592 KB Output is correct
4 Correct 77 ms 3020 KB Output is correct
5 Correct 64 ms 2900 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 196 ms 6856 KB Output is correct
27 Correct 123 ms 6992 KB Output is correct
28 Correct 737 ms 6120 KB Output is correct
29 Correct 520 ms 6764 KB Output is correct
30 Correct 97 ms 6184 KB Output is correct
31 Correct 109 ms 6480 KB Output is correct
32 Correct 967 ms 8260 KB Output is correct
33 Correct 117 ms 14416 KB Output is correct
34 Correct 197 ms 14592 KB Output is correct
35 Correct 126 ms 14420 KB Output is correct