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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	// int n;
  6. 	// scanf("%d\n", &n);
  7. 	// for(int i = 0; i < n; i++) {
  8. 	// 	for(int j = i; j > 0; j--) {
  9. 	// 		printf("%d ", j + 1);
  10. 	// 	}
  11. 	// 	for(int j = 0; j < n - i; j++) {
  12. 	// 		printf("%d ", j + 1);
  13. 	// 	}
  14. 	// 	printf("\n");
  15. 	// }
  16. 	int a, b;
  17. 	scanf("%d %d\n", &a, &b);
  18.  
  19. 	int ans = 0;
  20. 	while(a >= 1) {
  21. 		if(a & 1) {
  22. 			ans += b;
  23. 		}
  24.  
  25. 		a /= 2;
  26. 		b *= 2;
  27. 	}
  28. 	printf("%d\n", ans);
  29. 	return 0;
  30. }
  31.  
Success #stdin #stdout 0.01s 5460KB
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stdin
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6 8
stdout
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48
https://ideone.com/4O2ZFl
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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