题解 | 小乐乐与进制转换

#include <stdio.h>

int main() {
    long long int num = 0;
    long long int sum = 0;
    int a = 0;
    long long int divide = 1;
    scanf("%lld", &num);
    while (num) {
        a = num % 6;
        sum += divide * a;
        divide *= 10;
        num /= 6;
    }
    printf("%lld\n", sum);
    return 0;
}