Submission #471767

#	Time	Username	Problem	Language	Result	Execution time	Memory
471767		nickmet2004	Xoractive (IZhO19_xoractive)	C++11	Compilation error	0 ms	0 KiB

Xoractive

#include<bits/stdc++.h>
#include "interactive.h"
using namespace std;
map<int , int> Z;
vector<int> guess(int n){
    int a = ask(1);
    for(int i = 0; i < 7; ++i){
        vector<int> x , y;
        for(int k = 1; k < n; ++k){
            if(k >> i & 1) x.emplace_back(k + 1) , y.emplace_back(k + 1);
        }
    }
    vector<int> X = get_pairwise_xor(x);
    y.emplace_back(1);
    vector<int> Y = get_pairwise_xor(y);
    map<int , int> A;
    for(int x : X)A[x]--;
    for(int x : Y)A[x]++;
    for(auto x : A){
        if(x.second>0)Z[x.first^a]+= 1<<i;
    }
    vector<int> ans;
    ans.resize(n);
    ans[0] = a;
    for(auto x : Z)ans[x.second]=x.first;
    return ans;
}

Compilation message (stderr)

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:13:38: error: 'x' was not declared in this scope
   13 |     vector<int> X = get_pairwise_xor(x);
      |                                      ^
Xoractive.cpp:14:5: error: 'y' was not declared in this scope
   14 |     y.emplace_back(1);
      |     ^
Xoractive.cpp:20:41: error: 'i' was not declared in this scope
   20 |         if(x.second>0)Z[x.first^a]+= 1<<i;
      |                                         ^