2017-08-17 11:40:36
writer:pprp
最简单的插入排序,用代码实现思想
1 #include2 #include 3 #include 4 #include 5 6 using namespace std; 7 const int maxn = 9999; 8 int a[maxn]; 9 int N;10 11 void init()12 {13 memset(a,0,sizeof(a));14 for(int i = 1 ; i <= N ; i++)15 {16 cin >> a[i];17 }18 }19 20 void insert_sort()21 {22 init();23 24 for(int i = 2 ; i <= N ; i++)25 {26 int key = a[i];27 int j = i - 1;28 while(j > 0 && a[j] > key)29 {30 a[j + 1] = a[j];31 j--;32 }33 34 a[j + 1] = key;35 }36 37 for(int i = 1 ; i <= N ; i++)38 cout << a[i] << " ";39 }40 41 int main()42 {43 cin >> N;44 insert_sort();45 46 return 0;47 }