#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
vector<int> dp;
int lis(int tt[],int n,int a,int b,int x){
int t[n+1];
for(int i=1;i<=n;++i) t[i]=tt[i];
for(int i=a;i<=b;++i){
t[i]+=x;
}
dp.clear();
for(int i=1;i<=n;++i){
int idx=lower_bound(dp.begin(),dp.end(),t[i])-dp.begin();
if(idx==dp.size()) dp.push_back(t[i]);
else dp[idx]=t[i];
}
return dp.size();
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int n,x; cin >> n >> x;
int t[n+1];
for(int i=1;i<=n;++i) cin >> t[i];
int maxi=0;
for(int e=s;e<=n;++e){
//cout << s << " " << e << " " << p << " " << lis(t,n,s,e,p) << endl;
maxi=max(lis(t,n,1,e,-abs(x)),maxi);
}
cout << maxi;
}
Compilation message
glo.cpp: In function 'int lis(int*, int, int, int, int)':
glo.cpp:17:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
17 | if(idx==dp.size()) dp.push_back(t[i]);
| ~~~^~~~~~~~~~~
glo.cpp: In function 'int main()':
glo.cpp:28:15: error: 's' was not declared in this scope
28 | for(int e=s;e<=n;++e){
| ^
