PAT 1100 Mars Numbers

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

vector<string> vec2 = {"tret","jan","feb","mar","apr","may","jun","jly","aug"
,"sep","oct","nov","dec"};

vector<string> vec1 = {"","tam","hel","maa","huh","tou","kes"
,"hei","elo","syy","lok","mer","jou"};


int to_int(string s){
    int sum = 0;
    for(int i=0;i < s.size();i++){
        sum = sum*10 + (s[i]-‘0‘);
    }
    return sum;
}


int main(){
    map<string,int> mp;
    for(int i=0;i <= 12;i++){
        mp[vec2[i]] = i;
    }
    for(int i=13;i <= 24;i++){
        mp[vec1[i-12]] = i;
    }
    int t;
    cin >> t;getchar();

    while(t--){
        string s;
        getline(cin,s);
        if(s[0] >= ‘0‘ && s[0] <= ‘9‘){
            int num = to_int(s);
            if(num < 13) cout << vec2[num] << endl;
            else{
                int shiwei = num/13;
                int gewei = num%13;
                if(gewei != 0)
                    cout << vec1[shiwei] << " " << vec2[gewei] << endl;
                else
                    cout << vec1[shiwei] << endl;

            }
        }
        else {
            if(s.size() < 5){
                if(mp[s] < 13)
                cout << mp[s] << endl;
                else
                    cout << (mp[s]-12)*13 << endl;
            }
            else{
                string s1 = s.substr(0,3);
                string s2 = s.substr(4,3);
                cout << (mp[s1]-12)*13+mp[s2] << endl;
            }
        }
    }

    return 0;
}









//#include <iostream>
//#include <string>
//using namespace std;
//string a[13] = {"tret", "jan", "feb", "mar", "apr", "may", "jun", "jly", "aug", "sep", "oct", "nov", "dec"};
//string b[13] = {"####", "tam", "hel", "maa", "huh", "tou", "kes", "hei", "elo", "syy", "lok", "mer", "jou"};
//string s;
//int len;
//void func1(int t) {
//    if (t / 13) cout << b[t / 13];
//    if ((t / 13) && (t % 13)) cout << " ";
//    if (t % 13 || t == 0) cout << a[t % 13];
//}
//void func2() {
//    int t1 = 0, t2 = 0;
//    string s1 = s.substr(0, 3), s2;
//    if (len > 4) s2 = s.substr(4, 3);
//    for (int j = 1; j <= 12; j++) {
//        if (s1 == a[j] || s2 == a[j]) t2 = j;
//        if (s1 == b[j]) t1 = j;
//    }
//    cout << t1 * 13 + t2;
//}
//int main() {
////    int n;
////    cin >> n;
////    getchar();
//    freopen("a","r",stdin);
//    for (int i = 0; i < 168; i++) {
//        s = to_string(i);
//        len = s.length();
//        if (s[0] >= ‘0‘ && s[0] <= ‘9‘)
//            func1(stoi(s));
//        else
//            func2();
//        cout << endl;
//    }
//    return 0;
//}