#include<stdio.h> int b[101]; int main(){ int n,i,j,s=0,k,temp; scanf("%d",&n); int a[n]; for(i=0;i<n;i++){ scanf("%d",&a[i]); k=a[i]; s=s+k; b[k]++; } printf("%.2lf ",s*1.0/n); int t=0; for(i=0;i<n;i++){ if(b[t]<b[i]){ t=i; } } printf("%d ",t); for(i=0;i<n-1;i++){ for(j=0;j<n-1;j++){ if(a[j]>a[j+1]){ temp=a[j]; a[j]=a[j+1]; a[j+1]=temp; } } } if(n%2!=0){ printf("%.1lf",a[n/2]*1.0); }else{ printf("%.1lf",(a[n/2]+a[n/2-1])/2.0); } return 0; } /************************************************************** Problem: 1179 User: admin Language: C Result: Accepted Time:12 ms Memory:1144 kb ****************************************************************/