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  1. #include<iostream>
  2. #include<algorithm>
  3.  
  4. using namespace std;
  5.  
  6. int main(){
  7. 	int n,i;
  8. 	int dp[1000001];
  9. 	cin>>n;
  10.  
  11. 	dp[0]=0;
  12. 	dp[1]=0;
  13.  
  14. 	for(int i=2;i<=n;i++){
  15. 		dp[i]=dp[i-1]+1;
  16. 		if(i%2==0){
  17. 			dp[i]=min(dp[i],dp[i/2]+1);
  18.  
  19. 		}
  20. 		if(i%3==0){
  21. 			dp[i]=min(dp[i],dp[i/3]+1);
  22. 		}
  23. 	}
  24. 	cout << dp[n] << endl;	
  25. }
  26.  
Success #stdin #stdout 0s 19016KB
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https://ideone.com/pD1KST
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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