Submission #1841640

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Source Code Expand

/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author Harshad
 */

#include <bits/stdc++.h>
#define f(i,n) for(int i=0;i<n;i++)
#define rep(i,a,b) for(int i=a;i<=b;i++)
typedef long long int ll;
using namespace std;

class a1 {
public:
	void solve(std::istream& in, std::ostream& out) {
        string s; in>>s;
        int res=0;
        f(i, s.length()-1){
            if((s[i+1]=='W' and s[i]=='B') or (s[i+1]=='B' and s[i]=='W')) res++;
        }
        out<<res;

	}
};


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
	a1 solver;
	std::istream& in(std::cin);
	std::ostream& out(std::cout);
	solver.solve(in, out);
	return 0;
}

Submission Info

Judge Result