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  1. #include<iostream>
  2. using namespace std;
  3. long long a,b,c,mod=1000000007,dp[100000];
  4. int main(){
  5. 	cin>>a>>b>>c;dp[0]=1;
  6. 	for(int i=1;i<a;i++){
  7. 		dp[i]=(dp[i-1]*b)%mod;
  8. 	}
  9. 	for(int i=0;i<c;i++){
  10. 		for(int j=1;j<a;j++){
  11. 			dp[j]+=dp[j-1];dp[j]%=mod;
  12. 		}
  13. 	}
  14. 	cout<<dp[a-1]<<endl;
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 4244KB
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https://ideone.com/zCAbGY
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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