oj.uz

답안 #710509

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
710509 2023-03-15T09:51:22 Z rrrr10000 늑대인간 (IOI18_werewolf) C++14
15 / 100
 4000 ms 64196 KB 
#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef pair<ll,ll> P;
typedef vector<P> vp;
typedef vector<vp> vvp;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define all(a) a.begin(),a.end()
#define fi first
#define se second
#define pb emplace_back
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<endl;}
template<class T> void outvv(T v){for(auto x:v)outv(x);}
template<class T> void outvp(T v){rep(i,v.size()){cout<<'('<<v[i].fi<<','<<v[i].se<<')';}cout<<endl;}
template<class T> void outvvp(T v){for(auto x:v)outvp(x);}

vector<int> check_validity(int N,vector<int> X,vector<int> Y,vector<int> S,vector<int> E,vector<int> L,vector<int> R){
    ll M=X.size(),Q=L.size();
    vvi ord(2);
    vvp rng(2,vp(Q));
    vector<int> ans(Q);
    {
        vvi edge(N),query(N);
        vi par(N,-1),data(N,-1),lca(Q);
        rep(i,M)edge[min(X[i],Y[i])].pb(i);
        rep(i,Q)query[L[i]].pb(i);
        auto root=[&](auto && self, ll i) -> ll {
            if(data[i]==-1)return i;
            data[i]=self(self,data[i]);
            return data[i];
        };
        for(int i=N-1;i>=0;i--){
            for(ll x:edge[i]){
                ll a=root(root,X[x]),b=root(root,Y[x]);
                if(a!=b){
                    if(a<b)swap(a,b);
                    par[a]=data[a]=b;
                }
            }
            for(ll x:query[i]){
                lca[x]=root(root,S[x]);
            }
        }
        vvi ch(N);
        rep(i,N)if(par[i]!=-1)ch[par[i]].pb(i);
        ll cnt=0;
        vp euler(N);
        auto dfs=[&](auto && self, ll i) -> void {
            ord[0].pb(i);
            euler[i].fi=cnt++;
            for(ll x:ch[i])self(self,x);
            euler[i].se=cnt;
        };dfs(dfs,0);
        rep(i,Q)rng[0][i]=euler[lca[i]];
    }
    {
        vvi edge(N),query(N);
        vi par(N,-1),data(N,-1),lca(Q);
        rep(i,M)edge[max(X[i],Y[i])].pb(i);
        rep(i,Q)query[R[i]].pb(i);
        auto root=[&](auto && self, ll i) -> ll {
            if(data[i]==-1)return i;
            data[i]=self(self,data[i]);
            return data[i];
        };
        rep(i,N){
            for(ll x:edge[i]){
                ll a=root(root,X[x]),b=root(root,Y[x]);
                if(a!=b){
                    if(a>b)swap(a,b);
                    par[a]=data[a]=b;
                }
            }
            for(ll x:query[i]){
                lca[x]=root(root,E[x]);
            }
        }
        vvi ch(N);
        rep(i,N)if(par[i]!=-1)ch[par[i]].pb(i);
        ll cnt=0;
        vp euler(N);
        auto dfs=[&](auto && self, ll i) -> void {
            ord[1].pb(i);
            euler[i].fi=cnt++;
            for(ll x:ch[i])self(self,x);
            euler[i].se=cnt;
        };dfs(dfs,N-1);
        rep(i,Q)rng[1][i]=euler[lca[i]];
    }
    rep(i,Q){
        vi cnt(N);
        REP(j,rng[0][i].fi,rng[0][i].se)cnt[ord[0][j]]=1;
        REP(j,rng[1][i].fi,rng[1][i].se)if(cnt[ord[1][j]])ans[i]=1;
    }
    return ans;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 292 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 292 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 31 ms 1252 KB Output is correct
11 Correct 21 ms 1260 KB Output is correct
12 Correct 8 ms 1216 KB Output is correct
13 Correct 23 ms 1364 KB Output is correct
14 Correct 12 ms 1364 KB Output is correct
15 Correct 18 ms 1292 KB Output is correct

Subtask #3
0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 4083 ms 64196 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 292 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 31 ms 1252 KB Output is correct
11 Correct 21 ms 1260 KB Output is correct
12 Correct 8 ms 1216 KB Output is correct
13 Correct 23 ms 1364 KB Output is correct
14 Correct 12 ms 1364 KB Output is correct
15 Correct 18 ms 1292 KB Output is correct
16 Execution timed out 4083 ms 64196 KB Time limit exceeded
17 Halted 0 ms 0 KB -