Algorithm

#include <bits/stdc++.h>

using namespace std;

int main(void)
{
 /*int n = 5;
 long long z = 0;
 int b = 1;
 for (int a = 1; a <= n; a++)
 {
     b = b*a;
     z = z+ b;
 }
 cout << z << endl;
 */
 
 int n = 0;
 
 cin >> n;
 
 int sum = 0;
 for (int i = 1; i <=n; ++i)
 {
     for (int j = 1; j <= i; ++j)
     {
         sum += j;
     }
 }
 
 cout << sum << endl;
     
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: TIME LIMIT EXCEEDED

Test 7

Verdict: TIME LIMIT EXCEEDED

Test 8

Verdict: TIME LIMIT EXCEEDED

Test 9

Verdict: TIME LIMIT EXCEEDED

Test 10

Verdict: TIME LIMIT EXCEEDED

Test 11

Verdict: TIME LIMIT EXCEEDED

Test 12

Verdict: TIME LIMIT EXCEEDED

Test 13

Verdict: TIME LIMIT EXCEEDED

Test 14

Verdict: TIME LIMIT EXCEEDED

Test 15

Verdict: TIME LIMIT EXCEEDED

Test 16

Verdict: TIME LIMIT EXCEEDED

Test 17

Verdict: TIME LIMIT EXCEEDED

Test 18

Verdict: TIME LIMIT EXCEEDED

Test 19

Verdict: TIME LIMIT EXCEEDED

Test 20

Verdict: TIME LIMIT EXCEEDED