Submission #62788222

Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
int main()
{
  string s;
  cin >> s;
  int a = s.size();
  int num = 0;
  for(int i = 0; i <= a - 3; i++)
  {
    for(int j = 1; i + 2*j < a; j++)
    {
      if(s[i] == 'A' && s[i + j] == 'B' && s[i + 2*j] == 'C') num++;
    }
  }
  cout << num << endl;
  return 0;
}
 
 
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#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s;
	cin >> s;
	int a = s.size();
	int num = 0;
	for(int i = 0; i <= a - 3; i++)
	{
		for(int j = 1; i + 2*j < a; j++)
		{
			if(s[i] == 'A' && s[i + j] == 'B' && s[i + 2*j] == 'C') num++;
		}
	}
	cout << num << endl;
	return 0;
}

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