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alternating characters
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alternating characters
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using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Collections;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text.RegularExpressions;
using System.Text;
using System;
class Solution {
static int alternatingCharacters(string s){
int count = 0;
for(int i = 0; i < s.Length - 1; i++) {
if(s[i] == s[i + 1])
count++;
}
return count;
}
static void Main(string[] args) {
TextWriter textWriter = new StreamWriter(@System.Environment.GetEnvironmentVariable("OUTPUT_PATH"), true);
int q = Convert.ToInt32(Console.ReadLine());
for (int qItr = 0; qItr < q; qItr++) {
string s = Console.ReadLine();
int result = alternatingCharacters(s);
textWriter.WriteLine(result);
}
textWriter.Flush();
textWriter.Close();
}
}