#include <bits/stdc++.h>
#include "xylophone.h"
using namespace std;
#define ll long long
const ll maxn = 2e5 + 69;
ll ans[maxn],p[maxn],trio[maxn];
ll minn,maxx;
void solve(ll n){
for(int i = 1;i<n;i++){
p[i] = query(i,i+1);
}
for(int i = 1;i<n-1;i++){
trio[i] = query(i,i+2);
}
ans[1] = 0;
ans[2] = p[1];
for(int i = 3;i<=n;i++){
if(p[i-1] + p[i-2] == trio[i-2]){
if(ans[i-1] > ans[i-2]){
ans[i] = ans[i-1] + p[i-1];
}else{
ans[i] = ans[i-1] - p[i-1];
}
}else{
if(ans[i-1] < ans[i-2]){
ans[i] = ans[i-1] + p[i-1];
}else{
ans[i] = ans[i-1] - p[i-1];
}
}
}
minn = 1,maxx = 1;
for(int i = 1;i<=n;i++){
if(ans[i] < ans[minn]){
minn = i;
}
if(ans[i] > ans[maxx]){
maxx = i;
}
}
ll temp = ans[minn];
for(int i = 1;i<=n;i++){
ans[i] = ans[i] - temp + 1;
}
if(minn > maxx){
for(int i = 1;i<=n;i++){
ans[i] = n - ans[i] + 1;
}
}
for(int i = 1;i<=n;i++) answer(i,ans[i]);
}
Compilation message
/usr/bin/ld: /tmp/ccI7POPY.o: in function `main':
grader.cpp:(.text.startup+0x30): undefined reference to `solve(int)'
collect2: error: ld returned 1 exit status
