#include <stdio.h>int i;int base_duo[4] = {1,12,144,1728};int base_hex[4] = {1,16,256,4096};int get_sum_duo(int num){ int ex[4]={0},sum=0; for(i=3;i>=0;i--) { if(num>=base_duo[i]) { num -= base_duo[i]; ex[i]++; i++; } } for(i=0;i<4;i++) sum+=ex[i]; return sum;}int get_sum_hex(int num){ int ex[4]={0},sum=0; for(i=3;i>=0;i--) { if(num>=base_hex[i]) { num -= base_hex[i]; ex[i]++; i++; } } for(i=0;i<4;i++) sum+=ex[i]; return sum;}int get_sum(int num){ int sum=0; while(num>0) { sum += num%10; num /=10; } return sum;}int main(){ int j,tem; for(j=2992;j<10000;j++) { tem = get_sum(j); if(get_sum_duo(j)==tem&&get_sum_hex(j)==tem) printf("%dn",j); } return 0;}
