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Makedonski

rep2022-1-1

Jan 30th, 2023
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C++ 0.49 KB | None | 0 0
  1. #include <bits/stdc++.h>
  2. #define int long long
  3.  
  4. using namespace std;
  5.  
  6. int32_t main() {
  7.     int k, n, m;
  8.     cin >> k >> n >> m;
  9.  
  10.     vector<set<int> > res(n);
  11.     while(k--){
  12.         for(int i = 0; i < n; i++){
  13.             string s;
  14.             cin >> s;
  15.  
  16.             for(int j = 1; j < m; j++){
  17.                 if(s[j] != s[j - 1]) res[i].insert(j);
  18.             }
  19.         }
  20.     }
  21.  
  22.     int ans = 0;
  23.     for(auto &x: res){
  24.         ans += x.size() + 1;
  25.     }
  26.  
  27.     cout << ans;
  28. }
  29.  
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