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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define ll long long
  5. #define sl(n) scanf("%lld", &n)
  6. #define for1(i, stop) for(ll i = 1; i <= stop; ++i)
  7. #define pf printf
  8.  
  9. const ll sz = 1e5 + 10;
  10. ll a[sz], b[sz];
  11.  
  12. int main()
  13. {
  14.     ll t; sl(t);
  15.  
  16.     while(t--) {
  17.         ll n, m;
  18.         sl(n),sl(m);
  19.  
  20.         for1(i, n) {
  21.             sl(a[i]);
  22.         }
  23.  
  24.         for1(i, m) {
  25.             sl(b[i]);
  26.         }
  27.  
  28.         sort(a+1, a+n+1);
  29.         sort(b+1, b+m+1, greater<ll>());
  30.  
  31.         ll ans = 0;
  32.         for1(i, min(n, m)) {
  33.             if(a[i] >= b[i]) break;
  34.             ans += b[i]-a[i];
  35.         }
  36.  
  37.         pf("%lld\n", ans);
  38.     }
  39.  
  40.     return 0;
  41. }
  42.  
Success #stdin #stdout 0s 5620KB
comments (?)
stdin
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2
3 4
10 70 20
50 60 1 5
3 1
10 70 20
50
stdout
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80
40
https://ideone.com/4u9jfU
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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