每日一练

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
    int num;
    scanf("%d", &num);

    printf("%o", num);

    return ;
}

#include <stdio.h>

int main()
{
    int num;
    scanf("%d", &num);

    int rest = num % ; //rest用来保留最后一位
    while (num /  != )
    {
        num = num / ;
        putchar(num + '0'); //以ascii码的形式打印
    }
    putchar(rest + '0');

    return ;
}