#include <iostream>
#include <cmath>
#include<vector>
#include <algorithm>
#include <utility>
#include<stack>
#include<queue>
#include<map>
#include <fstream>
using namespace std;
#define pb push_back
#define mp make_pair
#define ll long long
#define ans Answer
#define query Query
int a[200010],sol[200010];
int tail[200010];
/*bool cmp( int x, int y )
{
if( x > y ) return true;
return false;
}*/
/// Wa bez razloga
int pos( int lo,int hi, int val )
{
int ans=0;
while( lo<=hi ){
int mid=lo + (hi-lo)/2;
if( tail[mid] > val ){
ans=max( ans, mid );
lo=mid+1;
}
else hi=mid-1;
}
return ans;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n,x;
int res=0;
cin>>n>>x;
for( int i=1;i<=n;i++ ) cin>>a[i];
tail[1] = a[n] + x;
sol[n]=1;
int len=2;
for( int i=n-1;i>0;i-- ){
if( a[i] + x >= tail[1] ) {
tail[1] = a[i]+x, sol[i] = 1;
}
else if( a[i]+x < tail[len-1] ) tail[len++]=a[i]+x, sol[i] = len-1;
else{
int idx = pos( 1,len-1, a[i]+x )+1;
tail[idx] = a[i]+x;
sol[i]=idx;
}
}
res=len-1;
for(int i=0;i<len;i++) tail[i]=0;
tail[1]=a[1];
len=2;
for( int i=2;i<=n;i++ ){
if( a[i]+x < tail[1] ) res = max( res, sol[i] ); /// ne mozemo ga ljevo nadovezat
else if( a[i] + x > tail[len-1] ) {
res=max( res, len + sol[i] - 1 ) ; ///-1 jer ga racunamo dvaput
}
else{
int idx = lower_bound( tail+1, tail+len, a[i]+x ) - tail;
res=max( res, idx + sol[i] - 1 );
}
if( a[i] < tail[1] ) tail[1]=a[i];
else if( a[i] > tail[len-1] ) tail[len++]=a[i];
else {
int idx=lower_bound(tail+1,tail+len,a[i] ) - tail;
tail[idx]=a[i];
}
}
cout<<res<<endl;
return 0;
}
Compilation message
glo.cpp:83:2: error: stray '\302' in program
else {
^
glo.cpp:83:3: error: stray '\240' in program
else {
^
glo.cpp:83:5: error: stray '\302' in program
else {
^
glo.cpp:83:6: error: stray '\240' in program
else {
^
glo.cpp:83:8: error: stray '\302' in program
else {
^
glo.cpp:83:9: error: stray '\240' in program
else {
^
glo.cpp:83:11: error: stray '\302' in program
else {
^
glo.cpp:83:12: error: stray '\240' in program
else {
^
glo.cpp:83:14: error: stray '\302' in program
else {
^
glo.cpp:83:15: error: stray '\240' in program
else {
^
glo.cpp:83:17: error: stray '\302' in program
else {
^
glo.cpp:83:18: error: stray '\240' in program
else {
^
