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Asked: 2026-06-05T16:12:05+00:00

Possible Duplicate: Floating point issue in C #include<stdio.h> main() { int a,b; float f;

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Possible Duplicate:
Floating point issue in C 

#include<stdio.h>
main()
{
        int a,b;
        float f;
        scanf("%2d%3d%4f",&a,&b,&f);
        printf("%d %d %f",a,b,f);
}

When i run this program and input 2 4 56.8 ,it gives output 2 4 56.799999…..but I would expect 2 4 56.8….why is it so???

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1 Answer

  1. Editorial Team

    That is correct. Floating point numbers are approximations. Just as 0.33333333 is an approximation to 1/3, 56.7999999 is an approximation for 56.8. There is no exact floating point representation for 0.1.

    See some of what has been written:

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