Module: (C++) Variables. Output formats


Problem

7/7

Training: output a real number

Problem

This is an optional task for those who want to learn more about the C output operator.
The program must output the value of the variable a with a sign and up to three decimal places.
Complete the program.

time 1000 ms
memory 32 Mb
Rules for program design and list of errors in automatic problem checking

Teacher commentary

Insert the missing code snippets
C++
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#include <iostream>
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using namespace std;
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int main()
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{
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    double a = 543.42375;
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    // output the value of variable a with a sign
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    // and to an accuracy of 3 decimal places
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    return 0;
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}

     

Program check result

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