Submission #2120166

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int fw(const void *a, const void *b)
{
	return *(int*)a - *(int*)b;
}
int bw(const void *a, const void *b)
{
	return *(int*)b - *(int*)a;
}
//qsort(vector, n, sizeof(int), fw);
int main() {
	int n, k, r[111];
    double c=0;
	scanf("%d%d", &n, &k);
	for (int i = 0; i<n; i++) {
		scanf("%d", &r[i]);
	}
	qsort(r, n, sizeof(int), fw);
	for (int i = n - k; i < n; i++) {
        c /=2;
		c += (double)r[i] / 2;
	}
	printf("%lf\n", c);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:16:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &k);
  ^
./Main.c:18:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &r[i]);
   ^

Judge Result