CCF 201703-3 Markdown

#include<bits/stdc++.h>
using namespace std;
string s;
int deal1(int id, string& s2, string& ans);
int deal2(int id, string& s2, string& ans);
int deal1(int id, string& s2, string& ans){
    ans += "<em>";
    int i;
    for(i = id + 1; s2[i] != ‘_‘; ++i){
        if(s2[i] == ‘[‘){
            i = deal2(i, s2, ans);
        }
        else{
            ans += s2[i];
        }
    }
    ans += "</em>";
    return i;
}
int deal2(int id, string& s2, string& ans){
    ans += "<a href=\"";
    int j = id;
    while(s2[j] != ‘(‘) ++j;
    int i;
    for(i = j + 1; s2[i] != ‘)‘; ++i){
        if(s2[i] == ‘_‘){
            i = deal1(i, s2, ans);
        }
        else{
            ans += s2[i];
        }
    }
    ans += "\">";
    int k = id;
    while(s2[k] != ‘[‘) ++k;
    for(int ii = k + 1; s2[ii] != ‘]‘; ++ii){
        if(s2[ii] == ‘_‘){
            ii = deal1(ii, s2, ans);
        }
        else{
            ans += s2[ii];
        }
    }
    ans += "</a>";
    return i;
}
void deal(string s2){
    int len2 = s2.size();
    int cnt = 0;
    string ans;
    for(int i = 0; i < len2; ++i){
        if(s2[i] == ‘_‘){
            i = deal1(i, s2, ans);
        }
        else if(s2[i] == ‘[‘){
            i = deal2(i, s2, ans);
        }
        else{
            ans += s2[i];
        }
    }
    printf("%s", ans.c_str());
}
vector<string> v;
int main(){
    while(getline(cin, s)){
        if(s[0] == ‘#‘){
            stringstream ss(s);
            string s1;
            ss >> s1;
            int len1 = s1.size();
            printf("<h%d>", len1);
            int id = len1;
            while(s[id] == ‘ ‘) ++id;
            int len = s.size();
            string s2 = s.substr(id, len - id);
            deal(s2);
            printf("</h%d>\n", len1);
        }
        else if(s[0] == ‘*‘){
            v.clear();
            stringstream ss(s);
            string s1;
            ss >> s1;
            int len1 = s1.size();
            int id = len1;
            while(s[id] == ‘ ‘) ++id;
            int len = s.size();
            string s2 = s.substr(id, len - id);
            v.push_back(s2);
            while(getline(cin, s)){
                if(s == "") break;
                stringstream sss(s);
                sss >> s1;
                len1 = s1.size();
                id = len1;
                while(s[id] == ‘ ‘) ++id;
                len = s.size();
                s2 = s.substr(id, len - id);
                v.push_back(s2);
            }
            printf("<ul>\n");
            int l = v.size();
            for(int i = 0; i < l; ++i){
                printf("<li>");
                deal(v[i]);
                printf("</li>\n");
            }
            printf("</ul>\n");
        }
        else if(s == "") continue;
        else{
            printf("<p>");
            deal(s);
            bool ok = false;
            while(getline(cin, s)){
                if(s == ""){
                    ok = true;
                    printf("</p>\n");
                    break;
                }
                else{
                    printf("\n");
                    deal(s);
                }
            }
            if(!ok){
                printf("</p>\n");
            }
        }
    }
    return 0;
}