#include <stdio.h>
int main() {
long int a = 0;
scanf("%ld", &a);
int i = 0;
int j = 0;
int k = 0;
int arr1[100];
int arr2[100];
int result = 0;
while (a)
{
arr1[i++] = a % 10;
a /= 10;
}
for (j = i - 1; j >= 0; j--)
{
arr2[k++] = arr1[j];
}
for (i = 0; i < k; i++)
{
if (arr2[i] % 2 == 0)
arr2[i] = 0;
else
arr2[i] = 1;
}
for (i = 0; i < k; i++)
{
result = 10 * result + arr2[i];
}
printf("%d", result);
return 0;
}
思路为:首先把整数的每个数字拆下来放进数组,然后再反转数组,再将数组内的元素依据规则变成0/1,再输出数字。

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