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  1. #include <bits/stdc++.h>
  2. #define fi first
  3. #define se second
  4. #define all(v) v.begin() , v.end()
  5. #define sz(v) int(v.size())
  6. #define unq(v) sort(all(v)); v.resize(unique(all(v)) - v.begin());
  7. using namespace std;
  8.  
  9. typedef long long ll;
  10. typedef pair<int , int> ii;
  11. typedef pair<long long , int> lli;
  12.  
  13. const int maxN = int(2e5)+7;
  14.  
  15. void solve(){
  16.     int n , m , k;
  17.     cin >> n >> m >> k;
  18.     ll ans = (n + m);
  19.     for (int i = 1 ; i <= k ; i++){
  20.         int x , y , u , v;
  21.         cin >> x >> y >> u >> v;
  22.         ans += 1ll * (abs(x - u) + abs(y - v));
  23.     }
  24.     cout << ans - 2ll * (k + 1) << "\n"; 
  25. }
  26.  
  27. #define name "F"
  28.  
  29. int main(){
  30.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  31.     if (fopen(name".INP" , "r")){
  32.         freopen(name".INP" , "r" , stdin);
  33.         freopen(name".OUT" , "w" , stdout);
  34.     }
  35.     int t = 1; //cin >> t;
  36.     while (t--) solve();
  37.     return 0;
  38. }
  39.  
  40.  
Success #stdin #stdout 0.01s 5280KB
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21913
https://ideone.com/jh1UHE
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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