oj.uz

Submission #528381

# Submission time Handle Problem Language Result Execution time Memory
528381 2022-02-20T08:28:57 Z Slavita Kutije (COCI21_kutije) C++14
35 / 70
 1000 ms 66808 KB 
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define ve vector<int>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define pi pair<int,int>
#define all(v) v.begin(),v.end()
#define si(v) (int)v.size()
#define en '\n'
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define ordered_muiltiset tree<int, null_type,less_equal<>, rb_tree_tag,tree_order_statistics_node_update>
//#define int long long
using namespace std;
//using namespace __gnu_pbds;
typedef long long ll;
typedef unsigned long long ull;

const int N = 1e5 + 228;
const int big = 1e9;
//ordered_set os; // os.order_of_key(4), (*os.find_by_order(5))
int n, m, q, ans;
bool mrk[N];
vector<int> g[N];
map<pi, bool> mem;

void dfs(int v, int st){
    if (mrk[v]) return;
    mrk[v] = 1;
    mem[{st, v}] = 1;
    for (int i = 0; i < si(g[v]); i++){
        int u = g[v][i];
        dfs(u, st);
    }
}

//#undef int
int main(){
    //#define int long long
    iostream::sync_with_stdio(false); cin.tie(0); ios_base::sync_with_stdio(false); cout.tie(0);
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    cin >> n >> m >> q;
    for (int i = 1; i <= m; i++)
        for (int j = 1; j <= n; j++) {int x; cin >> x; g[j].pb(x);}

    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++) mrk[j] = 0;
        dfs(i, i);
    }

    for (int i = 1; i <= q; i++){
        int x, y; cin >> x >> y;
        if (mem[{x, y}]) cout << "DA\n"; else cout << "NE\n";
    }
    return 0;
}
/*
*/

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 772 ms 59480 KB Output is correct
2 Correct 608 ms 51696 KB Output is correct
3 Correct 422 ms 34756 KB Output is correct
4 Correct 772 ms 66808 KB Output is correct
5 Correct 429 ms 31572 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2764 KB Output is correct
2 Correct 2 ms 2764 KB Output is correct
3 Correct 4 ms 3148 KB Output is correct
4 Correct 4 ms 3020 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2740 KB Output is correct
7 Correct 5 ms 3344 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 3 ms 2892 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2764 KB Output is correct
2 Correct 2 ms 2764 KB Output is correct
3 Correct 4 ms 3148 KB Output is correct
4 Correct 4 ms 3020 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2740 KB Output is correct
7 Correct 5 ms 3344 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 3 ms 2892 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 2 ms 2764 KB Output is correct
12 Correct 2 ms 2764 KB Output is correct
13 Correct 4 ms 3276 KB Output is correct
14 Correct 3 ms 2980 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 6 ms 3332 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 3 ms 2764 KB Output is correct
20 Correct 3 ms 2764 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 772 ms 59480 KB Output is correct
2 Correct 608 ms 51696 KB Output is correct
3 Correct 422 ms 34756 KB Output is correct
4 Correct 772 ms 66808 KB Output is correct
5 Correct 429 ms 31572 KB Output is correct
6 Correct 2 ms 2764 KB Output is correct
7 Correct 2 ms 2764 KB Output is correct
8 Correct 4 ms 3148 KB Output is correct
9 Correct 4 ms 3020 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2740 KB Output is correct
12 Correct 5 ms 3344 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 3 ms 2892 KB Output is correct
15 Correct 2 ms 2764 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 2 ms 2764 KB Output is correct
18 Correct 4 ms 3276 KB Output is correct
19 Correct 3 ms 2980 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2764 KB Output is correct
22 Correct 6 ms 3332 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 3 ms 2764 KB Output is correct
25 Correct 3 ms 2764 KB Output is correct
26 Correct 695 ms 39088 KB Output is correct
27 Correct 530 ms 36004 KB Output is correct
28 Execution timed out 1093 ms 58580 KB Time limit exceeded
29 Halted 0 ms 0 KB -