This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "xylophone.h"
#include<bits/stdc++.h>
using namespace std;
int a[5002];
int d[5002],t[5002];
void solve(int N) {
for(int i=1;i<N;i++)
{
d[i]=query(i,i+1);
if(i+2<=N)
{
t[i]=query(i,i+2);
}
}
if(t[1]==d[1]+d[2])
{
a[2]=a[1]+d[1];
a[3]=a[2]+d[2];
}
else if(t[1]==d[1])
{
a[2]=a[1]+d[1];
a[3]=a[2]-d[2];
}
else
{
a[2]=a[1]+d[1];
a[3]=a[2]-d[2];
}
for(int i=4;i<=N;i++)
{
if(t[i-2]==d[i-2]+d[i-1])
{
if(a[i-1]==a[i-2]+d[i-2])
{
a[i]=a[i-1]+d[i-1];
}
else a[i]=a[i-1]-d[i-1];
}
else
{
if(a[i-1]==a[i-2]+d[i-2])
{
a[i]=a[i-1]-d[i-1];
}
else
{
a[i]=a[i-1]+d[i-1];
}
}
}
int mina=0;
for(int i=1;i<=N;i++)mina=min(mina,a[i]);
for(int i=1;i<=N;i++)
{
a[i]-=mina;
a[i]++;
}
for(int i=1;i<=N;i++)
{
if(a[i]==1)
{
for(int j=1;j<=N;j++)
{
answer(j,a[j]);
}
return;
}
if(a[i]==N)
{
for(int j=1;j<=N;j++)
{
answer(j,N-a[j]+1);
}
return;
}
}
}
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