#include #include using namespace std; int res[]={1,2,3,4,5,6,7,8,9}; int main() { int a,b,c; do { a=res[0]*100+res[1]*10+res[2]; b=res[3]*100+res[4]*10+res[5]; c=res[6]*100+res[7]*10+res[8]; if(a*6==b*3&&b*3==c*2) printf("%d %d %d\n",a,b,c); } while(next_permutation(res,res+9)); return 0; }