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  1. #include<bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4. ll n,q,p,l,r,x,a[1000006],f[1000006];
  5. int main()
  6. {
  7.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  8.     freopen("SLR.INP", "r", stdin);
  9.     freopen("SLR.OUT", "w", stdout);
  10.     cin >> n >> q >> p;
  11.     while(q--)
  12.     {
  13.         cin >> l >> r >> x;
  14.         a[r+1] -= x;
  15.         a[l] += x;
  16.     }
  17.     for(int i = 1; i <= n; i++)
  18.     {
  19.         a[i] += a[i-1];
  20.         f[i] += f[i-1] + a[i];
  21.     }
  22.     while(p--)
  23.     {
  24.         cin >> l >> r;
  25.         cout << f[r] - f[l-1] << '\n';
  26.     }
  27. }
  28.  
Success #stdin #stdout 0s 5280KB
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https://ideone.com/TqgsnB
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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