C++Advanced-Judge Assignment 1-Similarity

#include<iostream>
#include<string>
#include<sstream>
#include<cctype>
#include<vector>
#include<utility>

std::vector<std::string> removePunctsFromInput(std::string& input) {
    std::vector<std::string> noPunctText;
    for (size_t i = 0; i < input.size(); i++)
    {
        if (std::ispunct(input[i]))
        {
            input.replace(i, 1, " ");
        }
    }
    //std::cout << input << std::endl;
    std::istringstream istr(input);
    std::string word;
    while (istr >> word)
    {
        noPunctText.push_back(word);
    }

    return noPunctText;
}

std::pair<std::string, int> readPairFromInput() {
    std::pair<std::string, int> pairInput;
    std::cin >> pairInput.first >> pairInput.second;

    return pairInput;
}

void printSolution(const std::vector<std::string>& noPunctText, const std::pair<std::string, int>& pairInput) {
    const size_t vecSize = noPunctText.size();
    const int compareWordSize = pairInput.first.size();
    int counterWords = 0;
    for (size_t i = 0; i < vecSize; i++)
    {
        const std::string currWord = noPunctText[i];
        const int currWordSize = noPunctText[i].size();
       // std::cout << currWordSize << std::endl;
        if (currWordSize != compareWordSize)
        {
            continue;
        }
        else if (noPunctText[i][0] != pairInput.first[0])
        {
            continue;
        }
        else
        {
            int counterLettersMatch = 0;
            for (size_t j = 0; j < currWordSize; j++)
            {
                if (noPunctText[i][j] == pairInput.first[j])
                {
                    counterLettersMatch++;
                }
            }
            //std::cout << counterLettersMatch << std::endl;
            const double percentLettersMatch = ((counterLettersMatch * 1.0) / compareWordSize) * 100;
           // std::cout << percentLettersMatch << std::endl;
            if ((int)percentLettersMatch >= pairInput.second)
            {
                counterWords++;
            }
        }
    }
    std::cout << counterWords << std::endl;
}

int main() {
    std::string text;
    getline(std::cin, text);
    const std::vector<std::string> noPunctText = removePunctsFromInput(text);
    const std::pair<std::string, int> pairInput = readPairFromInput();
    printSolution(noPunctText, pairInput);
    return 0;
}