基数排序

基数排序是一种基于数位的排序方式,具体可见wikipedia
我的实现代码如下:

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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
#include <iostream>
using namespace std;
template <typename T>
void (vector<T> &s) {
int n = s.size();
int maxData = s[0];
for (int i = 1; i < n; ++i)
{
if (maxData < s[i])
maxData = s[i];
}
int d = 1;
int p = 10;
while (maxData >= p)
{
maxData /= 10;
++d;
}
int i, j, k;
int radix = 1;
for (i = 1; i <= d; i++)
{
vector<int> cou[10];
for (j = 0; j < s.size(); j++) {
int time;
time = s[j] % (radix * 10);
time /= radix;
cou[time].push_back(s[j]);
}
int jishu = 0;
for (k = 0; k < 10; k++) {
for (j = 0; j<cou[k].size(); j++) {
s[jishu] = cou[k][j];
jishu++;
}
}
radix *= 10;
}
}
int main()
{
vector<int> a;
int number;
cout << "输入您的样本容量" << endl;
cin >> number;
for(int i=0;i<number;i++) {
int temp;
cin >> temp;
a.push_back(temp);
}
radixsort(a);
for (int i = 0; i < a.size(); i++)
cout << a[i]<<endl;
return 0;
}