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  1. /*
  2. ==> Don't stop when you're tired, stop when you're done.
  3. ==> Don't forget from the river to the sea palestine will be free 
  4. --> @author: MIDORIYA_
  5. */
  6. //*==============================================================
  7. #include <bits/stdc++.h>
  8. using namespace std;
  9. typedef long long ll;
  10. typedef double db;
  11. typedef long double ld;
  12. typedef pair<int, int> pii;
  13. typedef pair<ll, ll> pll;
  14. typedef vector<int> vi;
  15. typedef vector<ll> vll;
  16. typedef vector<db> vd;
  17. typedef vector<ld> vld;
  18. typedef vector<bool> vb;
  19. typedef vector<vector<ll>> vvl;
  20. typedef vector<vector<int>> vvi;
  21. typedef vector<pii> vii;
  22. typedef set<int> si;
  23. typedef set<ll> sl;
  24. #define pb push_back
  25. #define all(x) x.begin(), x.end()
  26. #define rall(x) x.rbegin(), x.rend()
  27. #define endl "\n"
  28. const ll MOD = 998244353, mod = 1e9 + 7, maxA = 1e5 + 5;
  29. #define time cerr << "Time Taken: " << (float)clock() / CLOCKS_PER_SEC << " Secs" << endl;
  30. //*===================>>>Fast-IO-Functions<<<=================
  31. void fastIO()
  32. {
  33.     ios_base::sync_with_stdio(false);
  34.     cin.tie(nullptr);
  35.     cout.tie(nullptr);
  36. }
  37. //*===================>>>File-IO-Functions<<<=================
  38. void fileIO()
  39. {
  40. #ifndef ONLINE_JUDGE
  41.     freopen("in.txt", "r", stdin);
  42.     freopen("out.txt", "w", stdout);
  43. #endif
  44. }
  45. //*===================>>>ONE-FOR-ALL-Function<<<==============
  46. void OneForAll()
  47. {
  48.     ll M, N, P, Q;
  49.     cin >> M >> N >> P >> Q;
  50.  
  51.     bool flag = false;
  52.     ll given = 2LL * M * N, target = 1LL * P * Q;
  53.     if (given < target)
  54.     {
  55.         flag = false;
  56.     }
  57.  
  58.     if ((P <= 2 * M and Q <= N) || (P <= M and Q <= 2 * N))
  59.     {
  60.         flag = true;
  61.     }
  62.  
  63.     if ((Q <= 2 * M and P <= N) || (Q <= M and P <= 2 * N))
  64.     {
  65.         flag = true;
  66.     }
  67.  
  68.     cout << (flag ? to_string(given - target) : "IMPOSSIBLE") << endl;
  69. }
  70.  
  71. int main()
  72. {
  73.     fastIO();
  74.     fileIO();
  75.  
  76.     ll tc = 1;
  77.     // cin >> tc;
  78.     // factorial(mod);
  79.     while(tc--)
  80.     {
  81.         // cout << "Case " << i << ": ";
  82.         OneForAll();
  83.     }
  84.     time;
  85.     return 0;
  86. }
Success #stdin #stdout #stderr 0s 5320KB
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stdin
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Standard input is empty
stdout
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2238367670759587840
stderr
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Time Taken: 0.004358 Secs
https://ideone.com/0QdHBS
A. Iguana Playground - Gym 2
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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