-
-
Notifications
You must be signed in to change notification settings - Fork 299
/
544.cpp
33 lines (33 loc) · 1.04 KB
/
544.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
__________________________________________________________________________________________________
class Solution {
public:
string findContestMatch(int n) {
vector<string> v;
for (int i = 1; i <= n; ++i) v.push_back(to_string(i));
while (n > 1) {
for (int i = 0; i < n / 2; ++i) {
v[i] = "(" + v[i] + "," + v[n - i - 1] + ")";
}
n /= 2;
}
return v[0];
}
};
__________________________________________________________________________________________________
class Solution {
public:
string findContestMatch(int n) {
vector<string> v;
for (int i = 1; i <= n; ++i) v.push_back(to_string(i));
helper(n, v);
return v[0];
}
void helper(int n, vector<string>& v) {
if (n == 1) return;
for (int i = 0; i < n; ++i) {
v[i] = "(" + v[i] + "," + v[n - i - 1] + ")";
}
helper(n / 2, v);
}
};
__________________________________________________________________________________________________