3.13找出含有相应长句的vector.cpp

#include"print.h"
#include<string_view>
#include<vector>
#include<ranges>
#include<algorithm>
namespace stdr = std::ranges;

bool is_eos(const std::string_view& str) {
	constexpr const char* end_punct{ ".!?" };
	for (auto c : str) {
		if (strchr(end_punct, c) != nullptr)
			return true;
	}
	return false;
}

int main() {
	std::vector<std::vector<std::string>>vv_sentences{ std::vector<std::string>{} };
	for (std::string s{}; std::cin >> s;) {
		vv_sentences.back().emplace_back(s);
		if (is_eos(s)) {
			vv_sentences.emplace_back(std::vector<std::string>{});
		}
	}

	if (vv_sentences.back().empty())vv_sentences.pop_back();
	stdr::sort(vv_sentences, [](const auto& l, const auto& r) {
		return l.size() > r.size();
	});

	for (const auto& v : vv_sentences) {
		size_t size = v.size();
		print("{}: ", size);
		for (const auto& s : v) {
			print("{} ", s);
		}
		print("\n");
	}
	print("\n");
}