mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-09 01:18:47 +00:00
21 lines
421 B
C++
21 lines
421 B
C++
#include <bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
|
|
int main() {
|
|
int n;
|
|
string s;
|
|
cin >> n >> s;
|
|
for (int i = 0; i < n; i++) {
|
|
cout << s[i];
|
|
if (i % 2 && n % 2 && i < n - 4 || i % 2 && !(n % 2) && i != n - 1) {
|
|
cout << '-';
|
|
}
|
|
if (i == n - 4 && n % 2) {
|
|
cout << '-' << s[n - 3] << s[n - 2] << s[n - 1];
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|