#include "xylophone.h"
#include<bits/stdc++.h>
using namespace std;
#define in pair<int, int>
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define MX (int)3e5+5
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
void solve(int n)
{
if(n == 2)
{
answer(1, 1);
answer(2, 2);
return;
}
vector<int> d(n+1);
vector<int> d2(n+1);
vector<int> a(n+1);
for(int i = 2; i <= n; i++)
d[i] = query(i-1, i);
for(int i = 3; i <= n; i++)
d2[i] = query(i-2, i);
a[1] = 0;
a[2] = d[i];
for(int i = 3; i <= n; i++)
{
if(d2[i] == (d[i]+d[i-1]))
{
if(a[i-2] > a[i-1])
a[i] = a[i-1]-d[i];
else
a[i] = a[i-1]+d[i];
}
else
{
if(a[i-2] > a[i-1])
a[i] = a[i-1]+d[i];
else
a[i] = a[i-1]-d[i];
}
}
in ok_min = {INF, -1};
in ok_max = {-INF, -1};
for(int i = 1; i <= n; i++)
ok_min = min(ok_min, {a[i], i});
for(int i = 1; i <= n; i++)
ok_max = max(ok_max, {a[i], i});
if(ok_min.s > ok_max.s)
{
for(int i = 1; i <= n; i++)
a[i] = n+1-a[i];
}
for(int i = 1; i <= n; i++)
answer(i, a[i]);
return;
}
Compilation message
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:28:11: error: 'i' was not declared in this scope
28 | a[2] = d[i];
| ^
