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#45810: 西嘉嘉


chen971023@gmail.com (ZiaynGZiyaNG)

School : 國立臺南第二高級中學
ID : 291750
IP address : [122.121.141.56]
Last Login ：
2025-07-03 13:13:41
a111. 12149 - Feynman -- UVa12149 | From: [122.121.184.46] | Post Date : 2025-04-15 21:26

就數學

#include <iostream>

using namespace std;

 

int main()

{

while (true)

{

int N;

cin >> N;

if (N == 0)

{

break;

}

 

cout << (N) * (N + 1) * (2 * N + 1) / 6 << endl;

 

}

}

 
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