老是报错，Python通过不了，需要c

题目如下:可以测试
http://acm.usx.edu.cn/aspnet/Question.aspx?qid=1263
代码

import re
 
T = int(input(''))
content = []
for i in range(T):
    txt = ''
    n = int(input(f''))
    for j in range(n):
        a = input(f'')
        txt += a
    content.append(txt)
 
for k in content:
    word = re.findall(r'\w+',k)
    word_dict = {i:word.count(i) for i in word}
    word_list = sorted(list(word_dict.items()), key=lambda x:x[0])
    word_list.sort(key=lambda x:x[1], reverse=True)
    for i,j in word_list:
        print(i,j)

#include<iostream>
#include<map>
#include<string>
#include<cctype>
#include<vector>
#include<algorithm>
typedef std::pair<std::string, int> WordStat;
typedef std::map<std::string, int>::iterator WordIterator;
bool cmpfunc(const WordStat& l, const WordStat& r) {
    return l.second == r.second ? l.first < r.first : l.second > r.second;
}
int main()
{
    int testNum;
    std::cin >> testNum;
    while (testNum--)
    {
        int lineNum;
        std::cin >> lineNum;
        std::cin.ignore();
        std::string line;
        std::map<std::string, int> wordMap;
        while (lineNum--)
        {
            std::getline(std::cin, line);

            std::string word = "";
            bool lastCharIsAlpha = 0;
            int i = 0;
            while (i < line.size())
            {
                while (i < line.size() && !isalpha(line[i]))++i;
                
                word = "";
                while (i < line.size() && isalpha(line[i]))
                {
                    word += line[i];
                    ++i;
                }
                if (!word.empty())
                {
                    wordMap[word]++;
                }
            }
        }
        std::vector<WordStat>words;
        for (WordIterator iter = wordMap.begin(), iterEnd = wordMap.end(); iter != iterEnd; ++iter)
        {
            words.push_back(std::make_pair(iter->first, iter->second));
        }
        std::sort(words.begin(), words.end(), cmpfunc);
        for (int i = 0; i < words.size(); ++i)
        {
            std::cout << words[i].first << " " << words[i].second << std::endl;
        }
    }
    return 0;
}

已测试通过

你定义的i在第一个循环里
第二个循环里为什么会出现i
然后k循环里又出现了i，j
不仅逻辑混乱，变量也是乱用一气