Snail-1-9 The 9 numbers are divided into three 3 digits, the first one is twice times the second to third, 3 times times

1-9 These 9 numbers are divided into three 3-digit numbers, the first of which is the second to third twice times, and 3 times times void Mygetthreenum () {        int j,k;    int <span style= "font-family:arial, Helvetica, Sans-serif;" >arr</span><span style= "font-family:arial, Helvetica, Sans-serif;" >[10],sum;</span>    for (int i = 123; I * 3 < 987; i++) {        //the previous sizeof (int) * 10 bytes of arr is cleared to 0        memset ( arr,0,sizeof (int) *);                ARR[I/100] = 1;        Arr[i/10%] = 1;        Arr[i%] = 1;                j = i * 2;        ARR[J/100] = 1;        Arr[j/10%] = 1;        Arr[j%] = 1;                K = i * 3;        ARR[K/100] = 1;        Arr[k/10%] = 1;        Arr[k%] = 1;                sum = 0;        for (int x = 1; x < n × x + +) {            sum + = arr[x];        }        if (sum = = 9) {            printf ("a =%d,b =%d,c =%d\n", k,j,i);}}}    

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Snail-1-9 The 9 numbers are divided into three 3 digits, the first one is twice times the second to third, 3 times times