oj.uz

Submission #378386

# Submission time Handle Problem Language Result Execution time Memory
378386 2021-03-16T16:06:35 Z rocks03 Werewolf (IOI18_werewolf) C++14
15 / 100
 4000 ms 29952 KB 
//#pragma GCC target("avx2")
//#pragma GCC optimization("O3")
//#pragma GCC optimization("unroll-loops")
// #include "werewolf.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int)(x).size())
#define all(x) x.begin(), x.end()
#define debug(x) cout << #x << ": " << x << " "
#define nl cout << "\n"
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define per(i, a, b) for(int i = (a); i >= (b); i--)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

vector<int> check_validity(int N, vector<int> X, vector<int> Y, vector<int> S, vector<int> E, vector<int> L, vector<int> R){
    int M = SZ(X), Q = SZ(S);
    if(M <= 10000 && Q <= 10000){
        vector<int> g[N];
        rep(i, 0, M){
            int u = X[i], v = Y[i];
            g[u].pb(v); g[v].pb(u);
        }
        vector<int> ans(Q);
        rep(i, 0, Q){
            int s = S[i], t = E[i], l = L[i], r = R[i];
            int v = s;
            queue<pii> q;
            vector<vector<bool>> vis(2, vector<bool>(N, false));
            q.push({s, 0}); vis[0][v] = true;
            while(!q.empty()){
                auto [v, k] = q.front();
                q.pop();
                if(k == 1 && v == t) break;
                if(l <= v && v <= r && !vis[1][v]){
                    vis[1][v] = true;
                    q.push({v, 1});
                }
                for(int u : g[v]){
                    if(!k && u >= l){
                        if(!vis[k][u]){
                            vis[k][u] = true; q.push({u, k});
                        }
                    } else if(k && u <= r){
                        if(!vis[k][u]){
                            vis[k][u] = true; q.push({u, k});
                        }
                    }
                }
            }
            ans[i] = (vis[1][t] == true);
        }
        return ans;
    }
}

Compilation message

werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:37:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   37 |                 auto [v, k] = q.front();
      |                      ^
werewolf.cpp:60:1: warning: control reaches end of non-void function [-Wreturn-type]
   60 | }
      | ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 250 ms 748 KB Output is correct
11 Correct 176 ms 768 KB Output is correct
12 Correct 17 ms 768 KB Output is correct
13 Correct 185 ms 748 KB Output is correct
14 Correct 136 ms 748 KB Output is correct
15 Correct 252 ms 876 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4024 ms 29952 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 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 250 ms 748 KB Output is correct
11 Correct 176 ms 768 KB Output is correct
12 Correct 17 ms 768 KB Output is correct
13 Correct 185 ms 748 KB Output is correct
14 Correct 136 ms 748 KB Output is correct
15 Correct 252 ms 876 KB Output is correct
16 Execution timed out 4024 ms 29952 KB Time limit exceeded
17 Halted 0 ms 0 KB -