输入一个十进制整数，输出八进制数，比如17，，输出21，但输出形式为2

#include int main(void){ int octal[100] = {0}; int num = 0; int i = 0; printf("请输入十进制数字:"); scanf("%d",&num); while(num) { octal[i++] = num % 8; num /= 8; } print