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  1. #include<bits/stdc++.h>
  2.  
  3. #define ms(a,x) memset(a,x,sizeof(a))
  4. using namespace std;
  5.  
  6. typedef long long ll;
  7.  
  8. int main(){
  9. 	int n;
  10. 	//cin>>n;
  11. 	while(cin>>n&&(n%2!=0&&n%5!=0)){
  12. 		string res="";
  13. 		int len = 0,tmp=1;
  14. 		while(1){
  15. 			len++;
  16. 			if(res.size()||tmp/n) {
  17. 				res+=('0'+tmp/n);
  18. 			}
  19. 			tmp%=n;
  20. 			if(tmp==0){
  21. 				cout<<res<<" "<<len<<endl;
  22. 				break;
  23. 			}
  24. 			tmp=tmp*10+1;
  25. 		}
  26. 	}
  27.  
  28. 	return 0;
  29. }
  30.  
Success #stdin #stdout 0s 15240KB
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stdout 
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https://ideone.com/ZTBd9Q
language:
C++14 (clang 8.0)
created:
6 years ago
visibility:
secret

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