#include "chameleon.h" #include <vector> #include <bits/stdc++.h> using namespace std; namespace { int variable_example = 1; } // namespace void Solve(int N) { vector<int> done(2 * N, false); for (int i = 0; i < 2 * N; i++) { if (done[i]) continue; for (int j = 0; j < 2 * N; j++) { if (done[j]) continue; if (i != j) { vector<int> a = {i + 1, j + 1}; int b = Query(a); if (b == 1) { done[i] = true; done[j] = true; Answer(i + 1, j + 1); break; } } } } }

chameleon.cpp:9:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    9 | int variable_example = 1;
      |     ^~~~~~~~~~~~~~~~