oj.uz

Submission #1019478

# Submission time Handle Problem Language Result Execution time Memory
1019478 2024-07-10T23:00:08 Z stefanopulos Dijamant (COI16_dijament) C++17
100 / 100
 529 ms 4692 KB 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>
 
using namespace std;
using namespace __gnu_pbds;
 
typedef long long ll;
typedef long double ldb;
 
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ldb,ldb> pdd;

#define ff(i,a,b) for(int i = a; i <= b; i++)
#define fb(i,b,a) for(int i = b; i >= a; i--)
#define trav(a,x) for(auto& a : x)
 
#define sz(a) (int)(a).size()
#define fi first
#define se second
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

const int mod = 1000000007;
const int inf = 1e9 + 5;
const int mxN = 2005; 

int n;

bitset<1005> P[mxN];

int main(){
    cin.tie(0)->sync_with_stdio(0);

    cin >> n; 

    map<string,int> mp; vector<int> A;
    ff(i,1,n){
        
        string X; cin >> X;
        bool ok = (mp.count(X) == 0); 

        string s; cin >> s; vector<int> vec;
        while(1){
            cin >> s;
            if(s == ";")break;
            if(mp.count(s))vec.pb(mp[s]);
            else ok = 0;
        }

        if(ok == 0){
            cout << "greska" << '\n';
            continue;
        }

        P[i].set(i);
        for(auto c : vec){
            P[i] |= P[c];
        }

        for(auto a : A){
            if(P[i][a] == 0)continue;

            for(auto b : A){
                if(!P[i][b] || P[a][b] || P[b][a])continue;

                if((P[a] & P[b]).any()){
                    ok = 0;
                    break;
                }

            }

            if(ok == 0)break;

        }

        if(ok == 1){
            mp[X] = i;
            A.pb(i);
        }

        cout << (ok == 0 ? "greska" : "ok") << '\n';

    }

    return 0;
}
/*

13
1 : ;
2 : 1 ;
3 : 1 ;
4 : 2 ;
5 : 3 ;
6 : 4 5 ;
7 : 4 5 ;
8 : 4 5 ;
9 : 4 5 ;
10 : 2 3 ;
11 : 2 4 ;
12 : 4 3 :
13 : 2 1 :


// probati bojenje sahovski
*/

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 3 ms 464 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 529 ms 4108 KB Output is correct
2 Correct 488 ms 4692 KB Output is correct
3 Correct 56 ms 4436 KB Output is correct
4 Correct 8 ms 344 KB Output is correct
5 Correct 13 ms 604 KB Output is correct
6 Correct 28 ms 604 KB Output is correct
7 Correct 17 ms 608 KB Output is correct
8 Correct 16 ms 860 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 9 ms 604 KB Output is correct
11 Correct 5 ms 604 KB Output is correct
12 Correct 519 ms 3968 KB Output is correct