oj.uz

Submission #891525

# Submission time Handle Problem Language Result Execution time Memory
891525 2023-12-23T07:13:14 Z Mr_Ph Kutije (COCI21_kutije) C++17
35 / 70
 1000 ms 25576 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
int 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 107 ms 13648 KB Output is correct
2 Correct 74 ms 12368 KB Output is correct
3 Correct 73 ms 11856 KB Output is correct
4 Correct 121 ms 13680 KB Output is correct
5 Correct 80 ms 11640 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 1 ms 832 KB Output is correct
3 Correct 2 ms 860 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 1112 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 992 KB Output is correct
10 Correct 2 ms 860 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 1 ms 832 KB Output is correct
3 Correct 2 ms 860 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 1112 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 992 KB Output is correct
10 Correct 2 ms 860 KB Output is correct
11 Correct 1 ms 860 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 2 ms 1056 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 2 ms 860 KB Output is correct
18 Correct 1 ms 860 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 1 ms 860 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 13648 KB Output is correct
2 Correct 74 ms 12368 KB Output is correct
3 Correct 73 ms 11856 KB Output is correct
4 Correct 121 ms 13680 KB Output is correct
5 Correct 80 ms 11640 KB Output is correct
6 Correct 1 ms 856 KB Output is correct
7 Correct 1 ms 832 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 860 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 1 ms 1112 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 1 ms 860 KB Output is correct
14 Correct 1 ms 992 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 1 ms 860 KB Output is correct
18 Correct 2 ms 860 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 2 ms 1056 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 1 ms 860 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 238 ms 25576 KB Output is correct
27 Correct 139 ms 25380 KB Output is correct
28 Correct 889 ms 22496 KB Output is correct
29 Correct 598 ms 24916 KB Output is correct
30 Correct 107 ms 20320 KB Output is correct
31 Correct 132 ms 22488 KB Output is correct
32 Execution timed out 1070 ms 20616 KB Time limit exceeded
33 Halted 0 ms 0 KB -