제출 #583906

#제출 시각아이디문제언어결과실행 시간메모리
583906PiejanVDC장난감 기차 (IOI17_train)C++17
5 / 100
8 ms792 KiB
#include <bits/stdc++.h>
#include "train.h"

using namespace std;

vector<int>who_wins(vector<int>a, vector<int>r, vector<int>u, vector<int>v) {

    int n = r.size();
    int m = u.size();

    vector<bool>self(n,0);
    vector<bool>nx(n,0);
    for(int i = 0 ; i < m ; i++) {
        if(v[i] == u[i])
            self[v[i]] = 1;
        else
            nx[u[i]] = 1;
    }

    vector<int>ans(n,0);

    for(int i = n-1 ; i >= 0 ; i--) {
        if(a[i]) {
            if(nx[i] && ans[i+1])
                ans[i] = 1;
            if(self[i] && r[i])
                ans[i] = 1;
        } else {
            if(nx[i] && ans[i+1]) {
                if(!self[i])
                    ans[i] = 1;
                if(self[i] && r[i])
                    ans[i] = 1;
            } else {
                if(!nx[i] && r[i])
                    ans[i] = 1;
            }
        }
    }

    return ans;
}
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