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- #include <iostream>
- using namespace std;
- int main(){
- int n;
- long long m;
- cin>>n>>m;
- long long a[n];
- for(int i=0;i<n;i++)
- cin>>a[i];
- int l=0,r=1;
- long long sum=a[l],ans=0;
- while(l!=n){
- if(sum<=m)
- ans=max(ans,sum);
- if(sum+a[r%n]<=m){
- sum+=a[r%n];
- r++;
- }
- else{
- sum-=a[l];
- l++;
- }
- }
- cout<<ans;
- return 0;
- }
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