#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define N 20
const int n = 25;
int convert(int n)
{
int val = 0;
for (int i = 0; n >= 1; i++)
{
val+=((int)((n % 7) * pow((double)10,i)));
n/=7;
}
return val >= 0 ? val : -1;
}
int main(int argc, char* argv[])
{
int A[N] = { 0 };
for (int i = 0; i < N; i++)
{
int val = rand() % 100 + n;
A[i] = convert(val);
printf("%d ",A[i]);
}
return 0;
}