Submission #509867

#	Time	Username	Problem	Language	Result	Execution time	Memory
509867		vector	Chameleon's Love (JOI20_chameleon)	C++17	Compilation error	0 ms	0 KiB

chameleon

#include "chameleon.h"
#include<bits/stdc++.h>
using namespace std;
int Query(const std::vector<int> &p);
void Answer(int a, int b);
void Solve(int N)
{
    for(int i=1;i<=2*N;i++)for(int j=i+1;j<=2*N;j++)if(i!=j){
        vector<int>p;
        p.push_back(i);
        p.push_back(j);
        if(Query(p)==1)answer(i,j);
    }
}

Compilation message (stderr)

chameleon.cpp: In function 'void Solve(int)':
chameleon.cpp:12:24: error: 'answer' was not declared in this scope; did you mean 'Answer'?
   12 |         if(Query(p)==1)answer(i,j);
      |                        ^~~~~~
      |                        Answer