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RGB7071 - Нийлбэр 2

Өгөгдсөн n тоо хүртэлх квадратуудын нийлбэрийг ол. Давталт ашиглахгүй болно.

12+22+...+n2

Input

n натурал тоо өгөгдөнө.

Output

Нийлбэр

Example

Input:
5

Output:
55

Нэмсэн:Bataa
Огноо:2013-01-06
Хугацааны хязгаарлалт:1s
Эх кодын хэмжээний хязгаарлалт:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Програмчлалын хэлүүд:ADA95 ASM32 BASH BF C NCSHARP CSHARP C++ 4.3.2 CPP C99 CLPS LISP sbcl LISP clisp D ERL FORTRAN HASK ICON ICK JAVA JS-RHINO JULIA LUA NEM NICE OCAML PAS-GPC PAS-FPC PERL PHP PIKE PRLG-swi PYTHON PYPY3 PYTHON3 RUBY SCALA SCM guile ST TCL WHITESPACE

hide comments
2023-04-17 13:33:36
po




po
2023-04-05 03:27:52
SLAYYYYYYYYYYY QUEEEEEEEEEEEEEEEENNNNNNNNNN
2023-04-05 03:27:28
hhuhuh
2023-03-16 05:09:25
#include <bits/stdc++.h>
int s,i,n;
int main()
{
scanf("%d",&n);
for(i=1;i<=n;i++)
s=s+i*i;
printf("%d",s);
return 0;
}//huul suguudaa
2023-03-10 05:38:22
#include<bits/stdc++.h>
using namespace std;
int main(){
int a,n,g;

cin>>n;

g=n*(n+1)*(2*n+1)/6;

cout<<g;


}
huul mfs 1nastai duu maani biciv
2023-03-10 05:36:45
tomyo ashigla ulzi gomo idda mn
2023-02-28 17:22:14
hello
2023-02-28 17:22:09
hello
2023-02-13 07:01:50 NooB
Dawtalt ashiglaad bodchixloo :D
2022-11-21 03:59:23
me so pro


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