<commit_before>#include <iostream>
using namespace std;

int main(int argc, char const *argv[])
{
	int n;
	
	int s=0,a;
	while(cin >>n;){
		s=(n+1)*n/2;
		cout<<s;
	}
	return 0;
}<commit_msg>update hdu1001<commit_after>#include <iostream>
using namespace std;

int main(int argc, char const *argv[])
{
	int n;
	
	int s=0,a;
	while(cin >>n){
		s=(n+1)*n/2;
		cout<<s;
	}
	return 0;
}
{'fraction_non_alphanumeric': 0.19109947643979058, 'fraction_numerical': 0.031413612565445025, 'mean_word_length': 4.175675675675675, 'pattern_counts': {'":': 0, '<': 9, '<?xml version=': 0, '>': 9, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '570412', 'n_tokens_mistral': 186, 'n_tokens_neox': 171, 'n_words': 43}