Submission #1024403

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024403		huutuan	Toy Train (IOI17_train)	C++14	5 / 100	3 ms	860 KiB

train

#include "train.h"

#include <bits/stdc++.h>

using namespace std;

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
   int n=a.size(), m=u.size();
   vector<int> ans(n), cyc(n);
   for (int i=0; i<m; ++i) if (u[i]==v[i]) cyc[u[i]]|=1; else cyc[u[i]]|=2;
   for (int i=n-1; i>=0; --i){
      if (cyc[i]==1){
         ans[i]=r[i];
      }else if (cyc[i]==2){
         ans[i]=ans[i+1];
      }else{
         if (a[i]) ans[i]=r[i] || ans[i+1];
         else ans[i]=r[i] && ans[i+1];
      }
   }
   return ans;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 11
• Subtask 4: 0 / 11
• Subtask 5: 0 / 12
• Subtask 6: 0 / 51