#include<bits/stdc++.h> #include<cstring> #include<cstdio> using namespace std; int main() { int t,l,i,ct; cin>>t; char a[t]; cin>>a; l= strlen(a); ct=0; for(i=1; i<l; i++) { if(a[i-1]==a[i]) ct++; } cout<<ct<<endl; return 0; }
Friday, July 22, 2016
266A - Stones on the Table
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Codeforces
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