题目传送门
#include<bits/stdc++.h>
using namespace std;
//原始英文数字
// You are a three eight pig . 10964
unordered_map<string, int> _map = {{"zero", 0},
{"one", 1},
{"two", 4},
{"three", 9},
{"four", 16},
{"five", 25},
{"six", 36},
{"seven", 49},
{"eight", 64},
{"nine", 81},
{"ten", 0},
{"eleven", 21},
{"twelve", 44},
{"thirteen", 69},
{"fourteen", 96},
{"fifteen", 25},
{"sixteen", 56},
{"seventeen", 89},
{"eighteen", 24},
{"nineteen", 61},
{"twenty", 0},
{"a", 1},
{"both", 4},
{"another", 1},
{"first", 1},
{"second", 4},
{"third", 9}
};
string s, b;
//静态字符串数组
const int N = 1010;
int idx;
int a[N];
int main() {
getline(cin, s);
stringstream ss(s);
while (ss >> b)
if (_map[b]) a[idx++] = _map[b];
//无脑的排序
sort(a, a + idx);
string res = "";
for (int i = 0; i < idx; i++) {
if (i > 0 && a[i] < 10) res += "0" + to_string(a[i]);
else res += to_string(a[i]);
}
//第3个点需要特判，没任何数字，输出0，很坑……
if (res != "") cout << res << endl;
else cout << 0 << endl;
return 0;
}
