28 lines
395 B
C++
28 lines
395 B
C++
#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();
|
|
} |