Submission #123023

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Source Code Expand

#include<stdio.h>
int r[100];
int bubble_sort(int *a,int n)
{
	int i,j,tmp;
	int n2;
	
	n2=n;
	for(j=1;j<n;j++){
		for(i=0;i<n2-1;i++){
			if(a[i]>a[i+1]){
				tmp=a[i];
				a[i]=a[i+1];
				a[i+1]=tmp;
			}
		}
		n2--;
	}
	return 0;
}

int main(void)
{
	int n;
	int k;
	int i;
	double rate=0;
	
	scanf("%d %d",&n,&k);
	
	for(i=0;i<n;i++){
		scanf("%d",&r[i]);
	}
	
	bubble_sort(r,n);
	
	for(i=k;i>0;i--){
		rate=(rate+r[n-i])/2;
	}
	
		printf("%f\n",rate);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:29:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:32:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result