View Code of Problem 72

#include <stdio.h>
#include <string.h>
#include <math.h>
#define N 100
int main()
{
	int i;
	float n, m;
	scanf_s("%f %f", &n, &m);
	float sum = n;
	for (i = 0; i < m; i++)
	{
		if(i<m-1)
			sum += n;
		n /= 2;
	}
	printf("%.2f %.2f", n, sum);
}
/*
Main.c: In function 'main':
Main.c:9:2: warning: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
  scanf_s("%f %f", &n, &m);
  ^~~~~~~
  scanf
/usr/bin/ld: /tmp/cc33nQd3.o: in function `main':
Main.c:(.text.startup+0x18): undefined reference to `scanf_s'
collect2: error: ld returned 1 exit status
*/