#include<cstdio>
#include<iostream>
#include<cmath>
#include<cstring>
#include<string>
#include<ctime>
using namespace std;
int main()
{
int N;
scanf("%d",&N);
int A1=0,A2=0,A3=0,A4=0,A5=0,tag=1,f4=0;
bool f1=false,f2=false,f3=false,f5=false;
while(N--){
int value;
scanf("%d",&value);
if(value%5==0){
if(value%2==0){
A1+=value;
f1=true;
}
}else if(value%5==1){
f2=true;
if(tag%2) A2+=value;
else A2-=value;
tag++;
}else if(value%5==2){
f3=true;
A3++;
}else if(value%5==3){
f4++;
A4+=value;
}else{
f5=true;
if(value>A5) A5=value;
}
}
if(!f1) printf("N ");
else printf("%d ",A1);
if(!f2) printf("N ");
else printf("%d ",A2);
if(!f3) printf("N ");
else printf("%d ",A3);
if(!f4) printf("N ");
else printf("%.1lf ",((double)(A4))/f4);
if(!f5) printf("N");
else printf("%d",A5);
printf("\n");
return 0;
}
按照题目意思模拟