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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long 
  4. const ll INF = 1e18;
  5.  
  6. //
  7. #define TIME (1.0* clock()/CLOCKS_PER_SEC)
  8. #define file(name) if(fopen(name".inp","r")){freopen(name".inp","r",stdin); freopen(name".out","w",stdout);}
  9. #define hackspeed ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr)
  10. //
  11.  
  12.  
  13. int main(){
  14. 	hackspeed;
  15. 	//file("");
  16. 	ll m,n,p,q; cin >> m >> n >> p >> q;
  17. 	ll s=-1;
  18. 	for(ll i=p-1 ; i<=p+1 ; i++){
  19. 		for(ll j=q-1 ; j<=q+1 ; j++){
  20. 			if(i>=1 && i<=m && j<=n&&  j>=1){
  21. 				s++;
  22. 			}
  23. 		}
  24. 	}
  25. 	cout << s;
  26.  
  27.  
  28.  
  29.  
  30. 	//time
  31. 	cerr << "Time elapsed: " << TIME << "s.\n";
  32. 	return 0;
  33. }
Success #stdin #stdout #stderr 0.01s 5324KB
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stdin
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Standard input is empty
stdout
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-1
stderr
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Time elapsed: 0.005992s.
https://ideone.com/X2AfgN
language:
C++ (gcc 8.3)
created:
27 days ago
visibility:
secret

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