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  1. #include <iostream>
  2. #include <cstdio>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int t, u, n, m, c, no;
  7. 	double r, d, a, b;
  8. 	scanf("%d", &t);
  9. 	while(t--) {
  10. 		scanf("%lf%d%d", &d, &u, &n);
  11. 		no=0;
  12. 		b=d*u;
  13. 		for(int i=0; i<n; i++) {
  14. 			scanf("%d%lf%d", &m, &r, &c);
  15. 			a=u*r+c/(double)m; 
  16. 			if(a<b) { b=a; no=i+1; }
  17. 		}
  18. 		printf("%d\n", no);
  19. 	}
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 3300KB
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stdin
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4
1.00 200 1
1 0.50 28
1.00 200 2
1 0.75 40
3 0.60 100
1.00 50 2
1 0.75 40
3 0.60 100
1.00 100 2
3 0.50 10
2 0.10 20
stdout
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1
2
0
2
https://ideone.com/RnU22b
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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