CCF201703-3

CCF201703-3

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
void out(string s) {
	cout << s << endl;
}
void outString(vector<string> res) {
	for_each(res.begin(), res.end(), out);
}
void process_h(vector<string>& res, int& i, vector<string>& ans) {
	int j = 0;
	while (res[i][j] == '#') {
		j++;
	}
	int k = j;
	while (res[i][j] == ' ') {
		j++;
	}
	char c = k + '0';
	string tmp(1, c);
	string subr;
	subr.assign(res[i], j, res[i].npos);
	string a = "<h" + tmp + ">" + subr + "</h" + tmp + ">";
	ans.push_back(a);
}
void process_p(vector<string>& res, int& i, vector<string>& ans) {
	int len = res.size();
	int j = i;
	while (res[i].size() != 0 && (res[i][0] != '#' && res[i][0] != '*')) {
		i++;
		if (i == len)
			break;
	}
	i = i - 1;
	res[j] = "<p>" + res[j];
	res[i] = res[i] + "</p>";
	for (int x = j;x <= i;x++) {
		ans.push_back(res[x]);
	}
}
void process_ul(vector<string>& res, int& i, vector<string>& ans) {
	string front("<ul>");
	string behind("</ul>");
	int len = res.size();
	ans.push_back(front);
	while (res[i].size() != 0 && res[i][0] == '*') {
		int k = 1;
		while (res[i][k] == ' ') {
			k++;
		}
		string subr;
		subr.assign(res[i], k, res[i].npos);
		res[i] = "<li>" + subr + "</li>";
		ans.push_back(res[i]);
		i++;
		if (i == len)
			break;
	}
	ans.push_back(behind);
	i = i - 1;
}
void process(vector<string>& ans, int index) {
	int size = ans[index].size();
	int flag = 0;
	string res;
	for (int j = 0;j < size;j++) {
		if (flag == 0 && ans[index][j] == '_') {
			res = res + "<em>";
			flag = 1;
		}
		else if (flag == 1 && ans[index][j] == '_') {
			res = res + "</em>";
			flag = 0;
		}
		else if (ans[index][j] == '[') {
			int k = j;
			while (ans[index][j] != ']') {
				j++;
			}
			string text;
			text.assign(ans[index], k + 1, j - k - 1);
			int start = j + 2;
			while (ans[index][j] != ')') {
				j++;
			}
			string link;
			link.assign(ans[index], start, j - start);
			string tmp = "<a href=\"" + link + "\">" + text + "</a>";
			res = res + tmp;
		}
		else {
			string tmp(1, ans[index][j]);
			res = res + tmp;
		}
	}
	ans[index] = res;
}
void func() {
	string line;
	vector<string> res;
	vector<string> ans;
	while (getline(cin, line)) {
		res.push_back(line);
	}
	//outString(res);
	//bool test = (res[1]=="\n");
	//cout<<res[1].size();
	int len = res.size();
	for (int i = 0;i < len;i++) {
		int size = res[i].size();
		if (size != 0) {
			if (res[i][0] == '#') {
				process_h(res, i, ans);
			}
			else if (res[i][0] == '*') {
				process_ul(res, i, ans);
			}
			else {
				process_p(res, i, ans);
			}
		}
	}
	int len1 = ans.size();
	for (int i = 0;i < len1;i++) {
		process(ans, i);
		process(ans, i);
	}
	outString(ans);
}
int main() {
	func();
	return 0;
}