C :

#include<stdio.h>
int main()
{
	int n;
	int i, j=0, k=0, l=0, f=0, h=0, b=0;
	int a[100];
	scanf("%d", &n);
	for(i=0; i<n; i++)
	{
		scanf("%d", &a[i]);
		if(a[i]>=0 && a[i]<60)
		{
			j++;
		}
		else if(a[i]>=60 && a[i]<70)
		{
			k++;
		}
		else if(a[i]>=70 && a[i]<80)
		{
			l++;
		}
		else if(a[i]>=80 && a[i]<90)
		{
			f++;
		}
		else if(a[i]>=90 && a[i]<100)
		{
			h++;
		}
		else if(a[i]==100)
		{
			b++;
		}

	}
	printf("%d %d %d %d %d %d", j, k, l, f, h, b);
	return 0;

}

C++ :

#include"stdio.h"
int main(){
	int i,n,a=0,b=0,c=0,d=0,e=0,f=0,s;
	scanf("%d",&n);
	for(i=0;i<n;i++){
		scanf("%d",&s);

if(s==100)
f++;
else if(s>=90&&s<=99){
e++;
}
else if(s>=80&&s<=89){
d++;
}
else if(s>=70&&s<=79){
c++;
}
else if(s>=60&&s<=69){
b++;
}
else if(s>=0&&s<=59){
a++;
}

	}

	
	printf("%d %d %d %d %d %d",a,b,c,d,e,f);
	return 0;
}

Pascal :

program exj;
var
  a,b,c,d,e,f,i,n:integer;
  g:array[1..100]of integer;
  begin
    read(n);
    for i:=1 to n do
    begin
    read(g[i]);
    if (0<=g[i])and(g[i]<=59) then a:=a+1
    else if (60<=g[i])and(g[i]<=69) then b:=b+1
         else if(70<=g[i])and(g[i]<=79) then c:=c+1
              else if (80<=g[i])and(g[i]<=89) then d:=d+1
                   else if (90<=g[i])and(g[i]<=99) then e:=e+1
                        else f:=f+1;
    end;
    writeln(a,' ',b,' ',c,' ',d,' ',e,' ',f);
end.