Created
October 19, 2013 10:36
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大众点评2014在线笔试题。排序：要求所有的奇数排在偶数前面。
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| #include <cstdlib> | |
| #include <iostream> | |
| using std::swap; | |
| using std::cout; | |
| using std::endl; | |
| template <typename T> | |
| void print(T a[], int n) { | |
| for (int i = 0; i <= n-2; i++) { | |
| cout << a[i] << " "; | |
| } | |
| cout << a[n-1] << endl; | |
| } | |
| // put all the odd numbers before the even numbers. | |
| void my_sort(int a[], int n) { | |
| int i = 0; | |
| int j = n-1; | |
| while (i <= j) { | |
| while (a[i]%2 == 1) { | |
| i++; | |
| } | |
| while (a[j]%2 == 0) { | |
| j--; | |
| } | |
| if (i < j) { | |
| swap(a[i],a[j]); | |
| } | |
| } | |
| } | |
| int main(int argc, char* argv[]) { | |
| int a[5] = {3,4,5,2,0}; | |
| my_sort(a,5); | |
| print(a, 5); | |
| return 0; | |
| } |
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