Submission #1008935

#	Time	Username	Problem	Language	Result	Execution time	Memory
1008935		PenguinsAreCute	Chameleon's Love (JOI20_chameleon)	C++17	4 / 100	9 ms	476 KiB

chameleon

#include "chameleon.h"
#include <bits/stdc++.h>
using namespace std;
namespace {

int variable_example = 1;

}  // namespace

void Solve(int N) {
  int pear[2*N]; fill(pear,pear+2*N,-1);
  for(int i=0;i<2*N;i++) if(pear[i]==-1) {
    int l = i+1, h = 2*N+1;
    while(h-l>1) {
      int m=(l+h)/2;
      vector<int> v(m-l); iota(v.begin(),v.end(),l+1);
      int orig = Query(v);
      v.push_back(i+1);
      if(Query(v)==orig) h=m;
      else l=m;
    }
    pear[i]=l; pear[l]=i;
  }
  for(int i=0;i<2*N;i++) if(pear[i]>i) Answer(i+1,1+pear[i]);
}

Compilation message (stderr)

chameleon.cpp:6:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    6 | int variable_example = 1;
      |     ^~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 36