Submission #3792173

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Source Code Expand

#include <iostream>
#include <vector>

using namespace std;

int main(){
  int N, tmp;
  cin >> N;
  vector<int> colors;
  for (int i=0; i<N; i++){
    cin >> tmp;
    colors.push_back(tmp);
  }
  
  int p = 0, q = 0, res = 0;
  while (p < N){
    if (colors[p + 1] != colors[p]){
		p++;
    }
    else if (p >= N - 1){
      p++;
      res++;
    }
    else if (colors[p + 1] != colors[p + 2]){
      res++;
      p += 2;
    }
    else {
      res++;
      p += 2;
    }
  }
  
  cout << res << endl;
  
  return 0;
}

Submission Info

Judge Result