绿色通道（单调队列dp）

崩溃了，debug半天发现是变量名重复了

#include<iostream>
#include<cstring>
#define int long long 
using namespace std;
const int N=1e5;
int q[N];
int f[N];
int w[N];
int sum=0;
signed main(){int n,ti;cin>>n>>ti;for(int i=1;i<=n;i++)cin>>w[i],sum+=w[i];int l=1,r=n;int mid;int s;while(l+1<r){memset(f,0,sizeof(f));memset(q,0,sizeof(q));mid=(l+r)>>1;int h=1,t=0;int ans=1e9;for(int i=1;i<=n;i++){while(h<=t&&q[h]<i-mid)h++;while(h<=t&&f[q[t]]>=f[i-1])t--;q[++t]=i-1;f[i]=f[q[h]]+w[i];if(i>n-mid)ans=min(ans,f[i]);}if(ans<=ti)r=mid,s=mid;else l=mid;}cout<<s-1;return 0;
}