fork download
copy 
  1. #include <bits/stdc++.h>
  2. #define int long long
  3. using namespace std;
  4. int n,m,mxa=0,a[300005],d[1000006],bit[300005];
  5. multiset <int> mse;
  6. void UPDATE(int i, int v)
  7. {
  8.     while (i<=n) bit[i]+=v,i+=i&(-i);
  9.     return;
  10. }
  11. int GET(int l, int r)
  12. {
  13.     l--;
  14.     int resl=0,resr=0;
  15.     while (l>0) resl+=bit[l],l-=l&(-l);
  16.     while (r>0) resr+=bit[r],r-=r&(-r);
  17.     return resr-resl;
  18. }
  19. signed main()
  20. {
  21.     ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
  22.     cin>>n>>m;
  23.     for (int i=1;i<=n;i++) cin>>a[i],mxa=max(mxa,a[i]),UPDATE(i,a[i]);
  24.     for (int i=1;i<=mxa;i++) for (int j=i;j<=mxa;j+=i) d[j]++;
  25.     for (int i=1;i<=n;i++)
  26.     {
  27.         int cnt=0,vl=a[i];
  28.         while (vl>2) cnt++,vl=d[vl];
  29.         for (int j=1;j<=cnt;j++) mse.insert(i);
  30.     }
  31.     for (int i=1;i<=m;i++)
  32.     {
  33.         int t,l,r;
  34.         cin>>t>>l>>r;
  35.         if (t==1)
  36.         {
  37.             int idx=l;
  38.             while (*mse.lower_bound(idx)>=l && *mse.lower_bound(idx)<=r)
  39.             {
  40.                 idx=*mse.lower_bound(idx);
  41.                 UPDATE(idx,d[a[idx]]-a[idx]),a[idx]=d[a[idx]];
  42.                 if (mse.find(idx)!=mse.end()) mse.erase(mse.find(idx));
  43.                 if (mse.upper_bound(idx)==mse.end()) break;
  44.                 else idx=*mse.upper_bound(idx);
  45.             }
  46.         }
  47.         else cout<<GET(l,r)<<'\n';
  48.     }
  49.     return 0;
  50. }
  51.  
Success #stdin #stdout 0.01s 5304KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/r3rlfy
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!