#include <bits/stdc++.h>
using namespace std;
#define MAXN 5010
int razlike[MAXN];
int ans1[MAXN],ans2[MAXN];
void solve(int N)
{
for (int i=1;i<N;i++) razlike[i]=query(i,i+1);
ans1[1]=0,ans2[1]=0;ans1[2]=razlike[1],ans2[2]=razlike[1]*(-1);
for (int i=3;i<=N;i++)
{
int sol=query(i-2,i);
if (sol==razlike[i-2]+razlike[i-1])
{
if (ans1[i-2]>ans1[i-1]) ans1[i]=ans1[i-1]-razlike[i-1];
else ans1[i]=ans1[i-1]+razlike[i-1];
if (ans2[i-2]>ans2[i-1]) ans2[i]=ans2[i-1]-razlike[i-1];
else ans2[i]=ans2[i-1]+razlike[i-1];
}
else
{
if (ans1[i-2]>ans1[i-1]) ans1[i]=ans1[i-1]+razlike[i-1];
else ans1[i]=ans1[i-1]-razlike[i-1];
if (ans2[i-2]>ans2[i-1]) ans2[i]=ans2[i-1]+razlike[i-1];
else ans2[i]=ans2[i-1]-razlike[i-1];
}
}
int mini1=INT_MAX,mini2=INT_MAX;
for (int i=1;i<=N;i++) mini1=min(mini1,ans1[i]);
for (int i=1;i<=N;i++) mini2=min(mini2,ans2[i]);
int dodajemo1=1-mini1,dodajemo2=1-mini2;
for (int i=1;i<=N;i++) ans1[i]+=dodajemo1;
for (int i=1;i<=N;i++) ans2[i]+=dodajemo2;
int maksi1=-INT_MAX,maksi2=-INT_MAX;
for (int i=1;i<=N;i++) maksi1=max(maksi1,ans1[i]);
for (int i=1;i<=N;i++) maksi2=max(maksi2,ans2[i]);
if (maksi1==N)
{
int poz1,pozN;
for (int i=1;i<=N;i++)
{
if (ans1[i]==1) poz1=i;
if (ans1[i]==N) pozN=i;
}
if (poz1>pozN)
{
for (int i=1;i<=N;i++) ans1[i]=N-ans1[i]+1;
}
for (int i=1;i<=N;i++) answer(i,ans1[i]);
}
else
{
int poz1,pozN;
for (int i=1;i<=N;i++)
{
if (ans2[i]==1) poz1=i;
if (ans2[i]==N) pozN=i;
}
if (poz1>pozN)
{
for (int i=1;i<=N;i++) ans2[i]=N-ans2[i]+1;
}
for (int i=1;i<=N;i++) answer(i,ans2[i]);
}
};
Compilation message
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:12:38: error: 'query' was not declared in this scope
12 | for (int i=1;i<N;i++) razlike[i]=query(i,i+1);
| ^~~~~
xylophone.cpp:16:17: error: 'query' was not declared in this scope
16 | int sol=query(i-2,i);
| ^~~~~
xylophone.cpp:53:32: error: 'answer' was not declared in this scope
53 | for (int i=1;i<=N;i++) answer(i,ans1[i]);
| ^~~~~~
xylophone.cpp:67:32: error: 'answer' was not declared in this scope
67 | for (int i=1;i<=N;i++) answer(i,ans2[i]);
| ^~~~~~
