#include using namespace std; using Int = long long; const char newl = '\n'; template inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template inline void chmax(T1 &a,T2 b){if(a void drop(const T &x){cout< vector read(size_t n){ vector ts(n); for(size_t i=0;i>ts[i]; return ts; } //INSERT ABOVE HERE signed main(){ cin.tie(0); ios::sync_with_stdio(0); Int n,w; cin>>n>>w; auto as=read(n); Int ans=0,sum=0; map cnt; // [l, r] for(Int l=0,r=0;r1){ sum-=as[l]; cnt[as[l]]--; l++; } while(lw){ sum-=as[l]; cnt[as[l]]--; l++; } if(sum<=w) chmax(ans,r-l+1); } cout<