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  1. // SIGMA BOY hihihihihihihi
  2.  
  3. #define se second
  4. #define fi first
  5. #define pb push_back
  6. #define pob pop_back
  7. #define bitebi __builtin_popcountll
  8. #include <bits/stdc++.h>
  9.  
  10. using namespace std ;
  11. typedef long long ll;
  12. typedef long double ld;
  13. typedef pair<ll,ll> pll;
  14. typedef pair<ll,int> pli;
  15. typedef pair<int,int> pii;
  16. const ll Mod = 1e9+7;
  17. const ll Maxn = 1e5+69;
  18. const ll oo = 1e18;
  19.  
  20. ll Min[2] = {0,oo} , n , x , cur = 0 , res = -oo;
  21.  
  22. void Do()
  23. {
  24.     cin >> n ;
  25.     for ( int i = 1 ; i <= n ; ++i)
  26.     {
  27.         cin >> x;
  28.         cur += x;
  29.         if(Min[abs(cur)%2]!=oo) res = max(res, cur - Min[abs(cur)%2]);
  30.         Min[abs(cur)%2] = min(Min[abs(cur)%2],cur);
  31.     }
  32.     if(res==oo) cout << "NOT_FOUND";
  33.     else cout << res;
  34. }
  35.  
  36. signed main ()
  37. {
  38.     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  39. #define task "test"
  40.     if(fopen(task".inp", "r")){
  41.         freopen(task".inp", "r", stdin);
  42.         freopen(task".out", "w", stdout);
  43.     }
  44.     int ntest=1;
  45.     while(ntest--) Do();
  46.  
  47.     cerr<<"\nTime elapsed: "<<1000*clock()/CLOCKS_PER_SEC<<"ms\n";
  48. }
  49.  
Success #stdin #stdout #stderr 0s 5320KB
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stdin
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Standard input is empty
stdout
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-1000000000000000000
stderr
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Time elapsed: 4ms
https://ideone.com/Ykc0gF
language:
C++14 (gcc 8.3)
created:
5 hours ago
visibility:
public

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