Решение задачи For 11

#include <bits/stdc++.h>
using namespace std;

int main() {
	srand((int)time(0));
	int N;
	N = rand() % 20;
	
	long S = 0, x;
	for(int i = N; i <= 2*N; i++) {
		x = i*i;
		S += x;
		cout << i <<" : " << x <<" : " << S << endl;
	}
	cout << "Number N: " << N << endl;
	cout << "Sum = " << S << endl;
	return 0;
}

import random

N = random.randrange(10)
print('N = ', N)

S = 0.0
for i in range(N,2*N+1):
    x = i**2
    S += x
    print(i," : ",x," : ",S)
print("Sum = ",S)
									

program For11;
var
  N, Rez,i :Integer;
begin
  Write('Введите N: ');
  Readln(N);
  rez:=0;
  For i:=0  to N do Rez:=Rez+sqr(N+i);
  Writeln(Rez);
end.