输入n个数,将n个数按升序排列输出,并且奇数在前,偶数在后。
#include <iostream>
using namespace std;
int main() {
int a[10];
for (int i = 0; i < 10; i++) {
cin >> a[i];
}
// 首先,我们把奇数放到数组左边,偶数放到数组右边
int l = 0, r = 9; // 用左手和右手分别指向数组两端
while (l <= r) {
bool leftIsOdd = a[l] % 2 == 1;
bool rightIsEven = a[r] % 2 == 0;
if (leftIsOdd) {
l++;
} else if (rightIsEven) {
r--;
} else if (!leftIsOdd && !rightIsEven) {
int temp = a[l];
a[l] = a[r];
a[r] = temp;
}
}
// 对l左边(奇数部分)冒泡,不断比较相邻的两个数,如果顺序错了,那么就交换
int start = 0, end = l;
for (int i = start; i < end - 1; i++) {
for (int j = start + 1; j < start + end - i; j++) {
if (a[j - 1] > a[j]) {
int temp = a[j];
a[j] = a[j - 1];
a[j - 1] = temp;
}
}
}
// 对l右边(偶数部分)冒泡,不断比较相邻的两个数,如果顺序错了,那么就交换
start = l, end = 10;
for (int i = start; i < end - 1; i++) {
for (int j = start + 1; j < start + end - i; j++) {
if (a[j - 1] > a[j]) {
int temp = a[j];
a[j] = a[j - 1];
a[j - 1] = temp;
}
}
}
for (int i = 0; i < 10; i++) {
cout << a[i] << ' ';
}
return 0;
}