Let Us GCC/Code 1.1

Old code

/* Calculation of simple interest */
/* Author gekay Date: 25/05/2004 */
main( )
{
    int p, n ;
    float r, si ;

    p = 1000 ;
    n = 3 ;
    r = 8.5 ;

    /* formula for simple interest */
    si = p * n * r / 100 ;

    printf ( "%f" , si ) ;
}

New code

/* Calculation of simple interest */
/* Author gekay Date: 25/05/2004 */
/* Editor GReaperEx Date: 19/7/2015 */

#include <stdio.h>

int main(void)
{
    int p, n;
    float r, si;

    p = 1000;
    n = 3;
    r = 8.5;

    /* formula for simple interest */
    si = p*n*r/100;

    printf("%f", si);
    
    return 0;
}

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