7-122 4005 看和说

#include <algorithm>
#include <cstdint>
#include <iostream>
#include <limits>
#include <numeric>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

using i32 = std::int32_t;
using i64 = std::int64_t;
using u32 = std::uint32_t;
using u64 = std::uint64_t;
using pii = std::pair<i32, i32>;
using pll = std::pair<i64, i64>;
using vi = std::vector<i32>;
using vll = std::vector<i64>;
using vpii = std::vector<pii>;
using vpll = std::vector<pll>;

void solve();

int main()
{
    std::cin.tie(nullptr)->sync_with_stdio(false);
    solve();
}

void parse(const std::string &str)
{
    char last{0};
    i32 count{1};
    for (auto &item : str)
    {
        if (item != last)
        {
            if (last != 0)
            {
                std::cout << count << last;
                count = 1;
            }
            last = item;
        }
        else
        {
            ++count;
        }
    }
    if (count)
    {
        std::cout << count << last;
    }
}

void solve()
{
    bool endl = false;
    i32 t;
    std::cin >> t;
    for (i32 i = 1; i <= t; ++i)
    {
        if (endl)
        {
            std::cout << '\n';
        }
        std::string str;
        std::cin >> str;
        parse(str);
        endl = true;
    }
}