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ahrayia
3 months ago
9

3.14 LAB: Input and formatted output: Caffeine levels A half-life is the amount of time it takes for a substance or entity to fa

ll to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Use a string formatting expression with conversion specifiers to output the caffeine amount as floating-point numbers.
Computers and Technology
1 answer:
zubka84 [1K]3 months ago
8 0

Answer:

#include <iostream>

#include <iomanip>

using namespace std;

int main()

{

double caffeineMg;

cin>>caffeineMg;

cout<<"Después de 6 horas: "<<fixed<<setprecision(2)<<caffeineMg/2.0<<" mg\n";

cout<<"Después de 12 horas: "<<fixed<<setprecision(2)<<caffeineMg/4.0<<" mg\n";

cout<<"Después de 24 horas: "<<fixed<<setprecision(2)<<caffeineMg/8.0<<" mg\n";

return 0;

}

Explanation:

  • Define a variable for the caffeine amount and prompt the user for input.
  • Output results by calculating the caffeine based on the appropriate Half Life.
  • Utilize the setprecision function to ensure results are rounded to two decimal places.
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