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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. typedef long long ll;
  4. const int Mod=998244353;
  5.  
  6. void solve() {
  7.    int a,b,c;
  8.    cin >> a >> b >> c;
  9.    int k=b-a;
  10.    c-=k;
  11.    if(c>=b && (c-b)%3==0){
  12.     cout << "YES\n";
  13.     return;
  14.    } 
  15.    cout << "NO\n";
  16. }
  17.  
  18. int main(){ 
  19.     ios::sync_with_stdio(false);
  20.     cin.tie(nullptr);
  21.  
  22.     int t;
  23.     cin >> t;
  24.     while (t--) solve();
  25.  
  26.  
  27.     return 0;
  28. }
  29.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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4
3 5 10
12 20 30
3 5 7
1 5 6
stdout
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YES
NO
YES
NO
https://ideone.com/T1pYcH
language:
C++ (gcc 8.3)
created:
11 hours ago
visibility:
public

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