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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. 	unsigned long long n, r;
  8. 	cin >> n >> r;
  9.  
  10. 	unsigned long long sum = 0;
  11. 	for (int i = 0; i < n; ++i) {
  12. 		unsigned long long a, b, c;
  13. 		cin >> a >> b >> c;
  14. 		sum += a * b * c;
  15. 	}
  16.  
  17. 	cout << sum * r << endl;
  18. }
Success #stdin #stdout 0s 4516KB
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stdin
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2 14
1 2 3
30 40 50
stdout
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840084
https://ideone.com/vzHq5U
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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