제출 #1013619

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1013619		MarwenElarbi	늑대인간 (IOI18_werewolf)	C++17	0 / 100	92 ms	28076 KiB

werewolf

#include <bits/stdc++.h>
#include "werewolf.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define pb push_back
#define ii pair<int,int>
const int nax=3e3+5;
vector<int> adj[nax];
vector<int> mn(nax);
vector<int> mx(nax);
bool vis[nax];
int n;
void min_djikastra(int x){
    priority_queue<int,vector<int>,greater<int>> pq;
    pq.push(x);
    mn[x]=x;
    vis[x]=true;
    while(!pq.empty()){
        int node=pq.top();
        pq.pop();
        for(auto u:adj[node]){
            if(vis[u]) continue;
            vis[u]=true;
            mn[u]=min(u,mn[node]);
            pq.push(u);
        }
    }
}
void max_djikastra(int x){
    priority_queue<int> pq;
    pq.push(x);
    mx[x]=x;
    vis[x]=true;
    while(!pq.empty()){
        int node=pq.top();
        pq.pop();
        for(auto u:adj[node]){
            if(vis[u]) continue;
            vis[u]=true;
            mx[u]=max(u,mx[node]);
            pq.push(u);
        }
    }
}
std::vector<int> check_validity(int N, std::vector<int> X, std::vector<int> Y,
                                std::vector<int> S, std::vector<int> E,
                                std::vector<int> L, std::vector<int> R) {
    n=N;
    for (int i = 0; i < (int)X.size(); ++i)
    {
        adj[X[i]].pb(Y[i]);
        adj[Y[i]].pb(X[i]);
    }
    vector<int> ans;
    int Q=R.size();
    for (int i = 0; i < Q; ++i)
    {
        for (int j = 0; j < N; ++j)
        {
            mn[j]=1e9;
            mx[j]=-1e9;
        }
        memset(vis,0,sizeof vis);
        min_djikastra(S[i]);
        memset(vis,0,sizeof vis);
        max_djikastra(E[i]);
        pair<int,int> cur={L[i],R[i]};
        bool test=false;
        for (int j = L[i]; j < R[i]+1; ++j)
        {
            if(cur.fi<=mn[j]&&mx[j]<=cur.se){
                test=true;
            }
            if(test) break;
        }//cout <<endl;
        ans.pb((test==true ? 1 : 0));
    }
    return ans;
}

/*namespace {

int read_int() {
  int x;
  if (scanf("%d", &x) != 1) {
    fprintf(stderr, "Error while reading input\n");
    exit(1);
  }
  return x;
}

}  // namespace

int main() {
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
  int N = read_int();
  int M = read_int();
  int Q = read_int();
  std::vector<int> X(M), Y(M), S(Q), E(Q), L(Q), R(Q);
  for (int j = 0; j < M; ++j) {
    X[j] = read_int();
    Y[j] = read_int();
  }
  for (int i = 0; i < Q; ++i) {
    S[i] = read_int();
    E[i] = read_int();
    L[i] = read_int();
    R[i] = read_int();
  }

  std::vector<int> A = check_validity(N, X, Y, S, E, L, R);
  for (size_t i = 0; i < A.size(); ++i) {
    printf("%d\n", A[i]);
  }
  return 0;
}*/

• Subtask 1: 0 / 7
• Subtask 2: 0 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51