#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std ;
const ll N = 2e5 ;
ll n, q, x[N + 2], abu[N + 2] ;
signed main()
{
ios_base::sync_with_stdio( 0 ) ;
cin.tie( 0 ) ;
cout.tie( 0 ) ;
cin >> n ;
x[0] = -1e18 ;
x[n + 1] = 1e18 ;
for(ll i = 1 ; i <= n ; i++)
cin >> x[i] ;
for(ll i = 1 ; i < n ; i++)
if(x[i + 1] - x[i] > 100)
flag = 1 ;
cin >> q ;
for(ll i = 1 ; i <= n ; i++)
{
ll l = i - 1, r = i + 1, now = i ;
while(l && r <= n)
if(x[now] - x[l] <= x[r] - x[now])
{
ll l1 = 0, r1 = l ;
while(l1 + 1 < r1)
{
ll mid = (l1 + r1) >> 1 ;
if(x[now] - x[mid] <= x[r] - x[now])r1 = mid ;
else l1 = mid ;
}
abu[i] += x[now] - x[r1] ;
now = r1 ;
l = r1 - 1 ;
}
else
{
ll l1 = r, r1 = n + 1 ;
while(l1 + 1 < r1)
{
ll mid = (l1 + r1) >> 1 ;
if(x[now] - x[l] > x[mid] - x[now])l1 = mid ;
else r1 = mid ;
}
abu[i] += x[l1] - x[now] ;
now = l1 ;
r = l1 + 1 ;
}
abu[i] += x[n] - x[1] ;
}
while(q--)
{
ll pos, l = 0, r = n + 1 ;
cin >> pos ;
while(l + 1 < r)
{
ll mid = (l + r) >> 1 ;
if(x[mid] <= pos)l = mid ;
else r = mid ;
}
if(pos - x[l] <= x[r] - pos)
cout << abu[l] + pos - x[l] ;
else
cout << abu[r] + x[r] - pos ;
cout << '\n' ;
}
return 0 ;
}
Compilation message
travel.cpp: In function 'int main()':
travel.cpp:20:13: error: 'flag' was not declared in this scope
20 | flag = 1 ;
| ^~~~
