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NgJaBach

Mad Scientist

NgJaBach
Jan 24th, 2023
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  1. // NgJaBach: Forever Meadow <3
  2.  
  3. #include<bits/stdc++.h>
  4.  
  5. using namespace std;
  6. typedef long long int ll;
  7. typedef unsigned long long ull;
  8. #define pb push_back
  9. #define pob pop_back
  10. #define mp make_pair
  11. #define upb upper_bound
  12. #define lwb lower_bound
  13. #define bend(a) a.begin(),a.end()
  14. #define rev(x) reverse(bend(x))
  15. #define mset(a) memset(a, 0, sizeof(a))
  16. #define fi first
  17. #define se second
  18. #define gcd __gcd
  19. #define getl(s) getline(cin, s);
  20. #define setpre(x) fixed << setprecision(x)
  21. #define endl '\n'
  22. const int N=200050,M=1000000007;
  23. const ll INF=1e18+7;
  24. int main(){
  25.     ios_base::sync_with_stdio(NULL); cin.tie(nullptr); cout.tie(nullptr);
  26.     freopen("breedflip.in","r",stdin);
  27.     freopen("breedflip.out","w",stdout);
  28.     int n;
  29.     bool track=false;
  30.     string a,b;
  31.     cin>>n;
  32.     cin>>a;
  33.     cin>>b;
  34.     int cnt=0;
  35.     for(int i=0;i<n;++i){
  36.         if(a[i]!=b[i]) track=true;
  37.         else{
  38.             if(track) ++cnt;
  39.             track=false;
  40.         }
  41.     }
  42.     cout<<cnt;
  43.     return 0;
  44. }
  45. /*
  46. ==================================+
  47. INPUT:                            |
  48. ------------------------------    |
  49.  
  50. ------------------------------    |
  51. ==================================+
  52. OUTPUT:                           |
  53. ------------------------------    |
  54.  
  55. ------------------------------    |
  56. ==================================+
  57. */
  58.  
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