#include <stdio.h>
int rec_func(int n);
int main(void)
{
int res = rec_func(10);
printf("%d", res);
}
int rec_func(int n)
{
if (n == 1) return 1;
int sum = n + rec_func(n - 1);
return sum;
}
/*int sum = 0;
for (i = n - (n - 1); i <= n - (n - 2); i++)
{
sum += i;
}
if (n <= 0) return;
rec_func(n - 1);*/
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