Time Limit: 1000MS | Memory Limit: 10000K | |||
Total Submissions: 20297 | Accepted: 8236 | Special Judge |
Description
Input
Output
Sample Input
2 6 19 0
Sample Output
10 100100100100100100 111111111111111111
#include <iostream> #include <stdio.h> #include <string> #include <cstring> #include <algorithm> #include <cmath> #include <queue> #define N 1000009 #define ll __int64 using namespace std; int n; int flag; void dfs(unsigned ll x,int k)//注意使用无符号64位整数 { if(flag) return; if(x%n==0) { printf("%I64u\n",x); flag=1; return; } if(k==19) return;//最大19位 dfs(x*10,k+1); dfs(x*10+1,k+1); } int main() { while(~scanf("%d",&n)) { if(n==0) break; flag=0; dfs(1,0); } return 0; }
原文:http://blog.csdn.net/wust_zjx/article/details/45772217