poj2196

简单题

#include <cstdio>

int sum(int a, int b)
{
    int ret = 0;
    while (a)
    {
        ret += a % b;
        a /= b;
    }
    return ret;
}

int main()
{
    for (int i = 2992; i <= 9999; i++)
        if (sum(i, 10) == sum(i, 12) && sum(i, 10) == sum(i, 16))
            printf("%d\n", i);
    return 0;
}