Codeforces-SolutionsA/Codes/266 A - Stones on the Table/266A.cpp

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2023-06-23 23:47:23 +08:00
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
void solve()
{
int n;
cin>>n;
string s;
cin>>s;
int ct=0;
for(int i=0; i<n-1; ++i)
{
if(s[i]==s[i+1]) ct++;
}
cout<<ct<<endl;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int TC = 1;
//cin >> TC;
//cin.ignore();
while (TC--) solve();
}