1 #include <stdio.h>
2 #include <string.h>
3
4 int main()
5 {
6 int i, count = 0, j, k, a[10], c;//用i表示abc,j表示def,k表示ghi
7 memset(a, 0, sizeof(a));//初始化数组，全部为零
8 for ( i=123; i<=329; i++ )
9 {
10 j = i*2;
11 k = i*3;
12 a[i/100] = a[i/10%10] = a[i%10] = 1;//分别标记出现过的数字
13 a[j/100] = a[j/10%10] = a[j%10] = 1;
14 a[k/100] = a[k/10%10] = a[k%10] = 1;
15 for ( c=0; c<10; c++ )
16 count += a[c];
17 if ( count == 9 ) //只有1到9每个数字被标记结果才为9
18 printf("%d\n%d\n%d\n", i, j, k);
19 count = 0;
20 memset(a, 0, sizeof(a));
21 }
22
23 return 0;
24 }
