average

#include <stdio.h>

int main(void)
{
	int a, b, c;

	printf("Korean: ");
	scanf("%d", &a);
	printf("English: ");
	scanf("%d", &b);
	printf("Math: ");
	scanf("%d", &c);

	int sum;
	double average;
	
	sum = a + b + c;

	average = sum / 3.0;

	printf("-----------------------\n");

	printf("Sum: %d\nAverage: %.2f\n", sum, average);

	return 0;
}

 

<compile 결과>