Submission #1220978

#	Time	Username	Problem	Language	Result	Execution time	Memory
1220978		siyana	Xoractive (IZhO19_xoractive)	C++17	Compilation error	0 ms	0 KiB

Xoractive

#include<bits/stdc++.h>
using namespace std;
const int MAXN=110;
const int PAW=10;
vector<int>g[PAW];
vector<int>a[PAW];
map<int,int>m;
int arr[MAXN];
vector<int>find_multitude_numbers(vector<int>pos,int x){
    multiset<int> ms=get_pairwise_xor(pos);
    while(ms.find(0)!=ms.end()) ms.erase(0);
    pos.push_back(1);
    multiset<int>v=get_pairwise_xor(pos);
    while(ms.find(0)!=ms.end()) ms.erase(0);
    vector<int>nv;
    for(int el:v){
        if(ms.find(el)!=ms.end()){
            ms.erase(ms.find(el));
        }else{
            nv.push_back(el);
        }
    }
    nv.push_back(1);
    for(int i=0;i<nv.size();i++){
        nv[i]=nv[i]^x;
    }
    return nv;
}
vector<int> guess(int n){
    int x=ask(1);
    for(int paw=0;paw<=6;paw++){
        for(int i=2;i<=n;i++){
            if(i&(1<<paw)!=0){
                g[paw].push_back(i);
            }
        }
        a[paw]=find_multitude_numbers(g[paw],x);
    }
    for(int paw=0;paw<=6;paw++){
        for(int el:a[paw]){
            m[el]+=(1<<paw);
        }
    }
    for(auto it:m){
        if(it.first!=0){
            arr[it.second]=it.first;
        }
    }
    vector<int>result;
    for(int i=0;i<n;i++){
        result.push_back(arr[i]);
    }
    return result;
}

Compilation message (stderr)

Xoractive.cpp: In function 'std::vector<int> find_multitude_numbers(std::vector<int>, int)':
Xoractive.cpp:10:22: error: 'get_pairwise_xor' was not declared in this scope
   10 |     multiset<int> ms=get_pairwise_xor(pos);
      |                      ^~~~~~~~~~~~~~~~
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:30:11: error: 'ask' was not declared in this scope
   30 |     int x=ask(1);
      |           ^~~