oj.uz

Submission #831442

# Submission time Handle Problem Language Result Execution time Memory
831442 2023-08-20T09:02:20 Z ALeonidou Werewolf (IOI18_werewolf) C++17
15 / 100
 4000 ms 22644 KB 
#include "werewolf.h"
#include <bits/stdc++.h>

using namespace std;

#define ll int
#define F first
#define S second
#define sz(x) (ll)x.size()
#define MID ((l+r)/2)
#define pb push_back
#define dbg(x) cout<<#x<<": "<<x<<endl;
#define dbg2(x,y) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<endl;
#define dbg3(x,y,z) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<endl;
#define dbg4(x,y,z,w) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<" "<<#w<<": "<<w<<endl;
#define INF 1e9
typedef vector <ll> vi;
typedef pair<ll,ll> ii;
typedef vector <ii> vii;

void printVct(vi &v, string s =""){
    if (sz(s) > 0) cout<<s<<": "<<endl;
    for (ll i=0; i<sz(v); i++){
        cout<<v[i]<<" ";
    }
}

vector <vi> adj;
ll n,m;

void bfs(ll s, ll l, ll r, vi &vis){
    queue <ll> q;
    vis.assign(n, 0);
    ll f;
    q.push(s);
    while (!q.empty()){
        f = q.front();
        q.pop();

        vis[f] = 1;
        for (ll i=0; i<sz(adj[f]); i++){
            ll c= adj[f][i];
            if (!vis[c] && c >= l && c <= r){
                q.push(adj[f][i]);
            }
        }
    }
}

vi check_validity(int N, vi X, vi Y, vi S, vi E, vi L, vi R){
    m = sz(X),n = N;
    adj.assign(n, vi());
    for (ll i=0;i<m; i++){
        adj[X[i]].pb(Y[i]);
        adj[Y[i]].pb(X[i]);
    }

    vi ans;
    vi vis1, vis2;
    ll q = sz(L);
    // dbg(q);
    for (ll i=0; i<q; i++){
        // dbg(i);
        bool ok = false;
        ll s = S[i], e= E[i], l = L[i], r = R[i];
        bfs(s, l, INF, vis1);
        bfs(e, -1, r, vis2);
        // printVct(vis1, "vis1");
        // printVct(vis2, "vis2");

        for (ll j= 0; j<n; j++){
            if (vis1[j] == 1 && vis2[j] == 1){
                ok = true;
                break;
            }
        }
    
        ans.pb(ok);
        // dbg(ok);
    }
    // cout<<"ans:";
    // printVct(ans);
    // cout<<endl;
    return ans;
}


/*
6 6 3
5 1
1 2
1 3
3 4
3 0
5 2
4 2 1 2
4 2 2 2
5 4 3 4

*/

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 346 ms 756 KB Output is correct
11 Correct 118 ms 748 KB Output is correct
12 Correct 22 ms 724 KB Output is correct
13 Correct 372 ms 876 KB Output is correct
14 Correct 171 ms 724 KB Output is correct
15 Correct 600 ms 836 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4049 ms 22644 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 346 ms 756 KB Output is correct
11 Correct 118 ms 748 KB Output is correct
12 Correct 22 ms 724 KB Output is correct
13 Correct 372 ms 876 KB Output is correct
14 Correct 171 ms 724 KB Output is correct
15 Correct 600 ms 836 KB Output is correct
16 Execution timed out 4049 ms 22644 KB Time limit exceeded
17 Halted 0 ms 0 KB -