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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int num;
  6. 	cin >> num;
  7.  
  8. 	for(int j=0;j<num;j++){
  9. 		int batu,tempat,result=1;
  10. 		cin >> batu >> tempat;
  11.  
  12. 		for(int i=batu;i>batu-tempat;i--){
  13. 			result*=i;
  14. 		}
  15. 		cout << result << "\r\n";
  16. 	}
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 5400KB
comments (?)
stdin
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3
5 3
5 2
4 3
stdout
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60
20
24
https://ideone.com/6MQfFa
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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