-
Notifications
You must be signed in to change notification settings - Fork 1
/
kth_largest_ele.cpp
51 lines (48 loc) · 1.15 KB
/
kth_largest_ele.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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
#include<bits/stdc++.h>
using namespace std;
class Solution
{
public:
struct comparator
{
bool operator()(string &s1, string &s2)
{
if (s1.length() > s2.length())
{
return true;
}
else if (s1.length() < s2.length())
{
return false;
}
else
{
for (int i = 0; i < s1.length(); i++)
{
if (s1[i] - '0' > s2[i] - '0')
{
return true;
}
else if (s1[i] - '0' < s2[i] - '0')
{
return false;
}
}
return false;
}
}
};
string kthLargestNumber(vector<string> &nums, int k)
{
priority_queue<string, vector<string>, comparator> q;
for (auto it : nums)
{
q.push(it);
if (q.size() > k)
{
q.pop();
}
}
return q.top();
}
};