Submission #377089

#	Time	Username	Problem	Language	Result	Execution time	Memory
377089		eulerdesoja	Xoractive (IZhO19_xoractive)	C++14	Compilation error	0 ms	0 KiB

Xoractive

#include<bits/stdc++.h>
#include<fstream>
using namespace std;

#define ll long long
#define pb push_back
#define sz(x) int(x.size())

typedef pair<int,int>ii;
typedef vector<int> vi;

vi guess(int n){
	int a0=ask(1);
	vi ans;
	multiset<int> tab[7];
	for(int k=0;k<7;k++){
		vi ax,ax1;
		ax1.pb(1);
		for(int i=1;i<n;i++){
			if(i&(1<<k)){
				ax.pb(i+1);
				ax1.pb(i+1);
			}
		}
		vi q=get_pairwise_xor(ax);
		vi q1=get_pairwise_xor(ax1);
		
		int i=0,i1=0;
		while(!q[i])i++;
		while(!q1[i1])i1++;

		while(i<sz(q) && i1<sz(q1)){
			if(q[i] != q1[i1]){
				tab[k].insert({(q1[i1]^a0)});
				i1+=2;
			}
			else{
				i+=2;
				i1+=2;
			}
		}

	}
	for(int i=n-1;i>0;i--){
		vi aux;
		for(int j=0;j<7;j++){
			if(i&(1<<j))aux.pb(j);
		}
		int ini=aux[0];
		for(auto it=tab[ini].begin();it!=tab[ini].end();it++){
			int cur=*it;
			bool ok=true;
			for(int k=1;k<sz(aux);k++)if(!tab[aux[k]].count(cur)){
				ok=false;
				break;
			}
			if(ok){
				ans.pb(cur);
				for(int k=0;k<sz(aux);k++){
					tab[aux[k]].erase(tab[aux[k]].find(cur));
				}
				break;
			}
		}
	}
	ans.pb(a0);
	reverse(ans.begin(),ans.end());
	return ans;


}

Compilation message (stderr)

Xoractive.cpp: In function 'vi guess(int)':
Xoractive.cpp:13:9: error: 'ask' was not declared in this scope
   13 |  int a0=ask(1);
      |         ^~~
Xoractive.cpp:25:8: error: 'get_pairwise_xor' was not declared in this scope
   25 |   vi q=get_pairwise_xor(ax);
      |        ^~~~~~~~~~~~~~~~