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#include <iostream>
using namespace std;
int main()
{
int res = 1;
for(int i = 1; i <= 22; i ++)
res = (res % 7) * (22 % 7) % 7;
cout << res + 6 << endl;
return 0;
}
#include <iostream>
#include <algorithm>
using namespace std;
const int N = 10010;
int a[N];
int main()
{
int n;
scanf("%d", &n);
for(int i = 0; i < n; i ++)
{
char str[10];
int num;
scanf("%s%d", str, &num);
a[i] = num;
}
sort(a, a + n);
int p = 0;
for(int i = 0; i < n; i ++)
{
if(a[i] == p) continue;
else printf("%d\n", a[i]);
p = a[i];
}
return 0;
}
#include <iostream>
using namespace std;
const int N = 10e5;
int a[N];
int main()
{
int n;
cin >> n;
for(int i = 1; i < N; i ++)
{
a[i] = a[i - 1] + i;
if(n <= a[i])
{
cout << i << endl;
break;
}
}
return 0;
}