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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. typedef long long int ll;
  4. #define FOR(i,a,n) for(int (i) = (a); (i) < (n) ; ++(i))
  5. #define ROF(i,a,n) for(int (i)=(a);(i) >= (n); --(i))
  6. #define SD(x) scanf("%d",&x)
  7. #define pb push_back
  8. #define mp make_pair
  9. #define F first
  10. #define S second
  11. #define L 2*stIndex
  12. #define R 2*stIndex+1
  13. #define repstl(v) for(__typeof(v.begin()) it = v.begin(); it != v.end(); it++ )
  14. #define debug(x) cerr << "[DEBUG] " << #x << " = " << x << "\n"
  15. #define endl "\n"
  16. #define INPFILE freopen("input.in","r",stdin)
  17. #define BOOST ios_base::sync_with_stdio(false);cin.tie(NULL)
  18. #define present_mapset(c,x) ((c).find(x) != (c).end())
  19. #define present_vector(c,x) (find(all(c),x) != (c).end())
  20. #define MAXN 100005
  21. #define MOD 1000000007
  22.  
  23. ll tree[4*100010];
  24. ll lazy[4*100010];
  25.  
  26. void lazyme(pair<ll,ll> &p, ll &stIndex)
  27. {
  28.     ll mid = (p.F + p.S)/2;
  29.     if(lazy[stIndex] != 0)
  30.     {
  31.         tree[stIndex] += lazy[stIndex];
  32.         if(p.F != p.S)
  33.         {
  34.             lazy[L] += ( lazy[stIndex]/(p.S - p.F + 1) )*(mid - p.F + 1);
  35.             lazy[R] += ( lazy[stIndex]/(p.S - p.F + 1) )*(p.S -(mid+1)+1);
  36.         }
  37.         lazy[stIndex] = 0;
  38.     }
  39. }
  40.  
  41. void update(pair<ll,ll> p,ll lo,ll hi,ll stIndex,ll value)
  42. {
  43.     ll mid = (p.F+p.S)/2;
  44.  
  45.     lazyme(p,stIndex);
  46.  
  47.     if(p.S < lo || p.F > hi)
  48.         return;
  49.  
  50.     if(p.F >=lo && p.S <=hi)
  51.     {
  52.         if(p.F == p.S)
  53.             tree[stIndex] += value;
  54.         else
  55.         {
  56.             tree[stIndex] += value*(p.S - p.F + 1);
  57.             lazy[L] += value*(mid - p.F + 1);
  58.             lazy[R] += value*(p.S - (mid+1) +1);
  59.         } 
  60.     }
  61.     else
  62.     {
  63.         update( mp(p.F,mid),lo,hi, L , value);
  64.         update( mp(mid+1,p.S),lo,hi, R, value);
  65.  
  66.         tree[stIndex] = tree[L] + tree[R];
  67.     }
  68. }
  69.  
  70. ll query(pair<ll,ll> p,ll lo,ll hi,ll stIndex)
  71. {
  72.     ll mid = (p.F + p.S)/2;
  73.     lazyme(p,stIndex);
  74.  
  75.    // cerr << " Q: " << p.F << " " << p.S << "  " << tree[stIndex] << endl;
  76.  
  77.     if(p.F>=lo && p.S<=hi)
  78.         return tree[stIndex];
  79.  
  80.     if(mid < lo)
  81.         return query( mp(mid+1, p.S),lo,hi, R);
  82.     if(hi <= mid )
  83.         return query(mp(p.F,mid), lo,hi, L);
  84.  
  85.     ll qrl = query(mp(p.F,mid),lo,hi, L);
  86.     ll qrr = query(mp(mid+1,p.S),lo,hi, R);
  87.  
  88.     return qrr + qrl;
  89. }
  90.  
  91.  
  92. int main(int argc, char const *argv[])
  93. {
  94.     BOOST;
  95.     int t;
  96.     cin>>t;
  97.     ll v;
  98.     while(t--)
  99.     {
  100.         memset(tree,0,sizeof(tree));
  101.         memset(lazy,0,sizeof(lazy));
  102.         ll n,c;
  103.         cin>>n>>c;
  104.         while(c--)
  105.         {
  106.             ll k,p,q;
  107.             cin >> k >> p >> q;
  108.             if(!k)
  109.             {
  110.                 cin >> v;
  111.                 update(mp(1LL,n),p,q,1LL,v); 
  112.             }
  113.             else
  114.             {
  115.                 cout<< query(mp(1LL,n),p,q,1LL) <<endl;
  116.             }
  117.         }
  118.     }
  119.  
  120.     return 0;
  121. }
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https://ideone.com/nBUWgZ
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
secret

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