int n;
    vector<int>time(n);
    int s = 0;
    int last  = 0;
    vector<int>ans(n,0);
    for(int i=0;i<n;i++){
        if(ans[i]==-1){
            ans[i] = time[i];
        }
        else{
            int finish = 0;
            if(last < time[i]){
                finish = 300 + time[i];
            }
            else finish = 300 + last;
            for(int j=i+1;j<n;j++){
                if(finish < time[i])break;
                else{
                    int ex = j - i -1;
                    if(ex>10)ans[j] = -1;
                }
            }
            ans[i] = finish;
last = finish;

        }

    }
    return ans;