Submission #1055393

#	Time	Username	Problem	Language	Result	Execution time	Memory
1055393		ArthuroWich	늑대인간 (IOI18_werewolf)	C++17	0 / 100	4054 ms	30728 KiB

werewolf

#include "werewolf.h"
#include<bits/stdc++.h>
using namespace std;
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 q = S.size();
    vector<int> a(q);
    vector<vector<int>> adj(n);
    for (int i = 0; i < X.size(); i++) {
        adj[X[i]].push_back(Y[i]);
        adj[Y[i]].push_back(X[i]);
    }
    for (int i = 0; i < q; i++) {
        int l = L[i], r = R[i];
        vector<int> vis(n, 0);
        queue<int> q;
        if (S[i] >= l) {
            q.push(S[i]);
        }
        while(!q.empty()) {
            int a = q.front();
            q.pop();
            if (vis[a]) {
                continue;
            }
            vis[a] = 1;
            for (int b : adj[a]) {
                if (b >= l) {
                    q.push(b);
                }
            }
        }
        for (int i = l; i <= r; i++) {
            if (vis[i]) {
                for (int b : adj[i]) {
                    if (b < l) {
                        q.push(b);
                    }
                }
            }
        }
        while(!q.empty()) {
            int a = q.front();
            q.pop();
            if (vis[a]) {
                continue;
            }
            vis[a] = 1;
            for (int b : adj[a]) {
                if (b < r) {
                    q.push(b);
                }
            }
        }
        a[i] = vis[E[i]];
    }
    return a;
}

Compilation message (stderr)

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:8:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for (int i = 0; i < X.size(); i++) {
      |                     ~~^~~~~~~~~~

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