#include<stdio.h> int main(){ int n = 0; int i = 1; float higest = 0; float lowest = 0; float sum = 0; float score = 0; scanf("%d",&n); scanf("%f ",&score); lowest = score;//第一个当作参考 sum = score; while(i < n) { scanf("%f ",&score); if(score > higest) higest = score; if(score < lowest) lowest = score; sum +=score; i++; } printf("%.2f %.2f %.2f",higest,lowest,sum/(float)n); return 0; }