Submission #471672

#	Time	Username	Problem	Language	Result	Execution time	Memory
471672		nickmet2004	Xoractive (IZhO19_xoractive)	C++11	Compilation error	0 ms	0 KiB

Xoractive

#include<bits/stdc++.h>
#include "interactive.h"
using namespace std;
vector<int> geuess(int n){
    int a = ask(1);
    vector<int> X , Y;
    map<int , int> Z;
    vector<int> ans;
    ans.resize(n);
    for(int i = 0; i< 7; ++i){
        for(int k = 2; k <= n; ++k){
            if(k>>i&1)X.emplace_back(k);
        }
        Y = X;
        Y.emplace_back(1);
        X = get_pairwise_xor(X);
        Y = get_pairwise_xor(Y);
        map<int , int> A;
        for(int x : X) A[x]=1;
        for(int x : Y){
            if(!A[x] && x) Z[x] += 1 << i;
        }
    }
    for(auto x : Z) ans[x.second] = x.first;
    return ans;
}

Compilation message (stderr)

Xoractive.cpp: In function 'std::vector<int> geuess(int)':
Xoractive.cpp:5:9: warning: unused variable 'a' [-Wunused-variable]
    5 |     int a = ask(1);
      |         ^
/usr/bin/ld: /tmp/cc9z54k6.o: in function `main':
grader.cpp:(.text.startup+0xd4): undefined reference to `guess(int)'
collect2: error: ld returned 1 exit status