#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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