1 семестр / sr4

#include <stdio.h>
int main(void)
{
	int k;
	scanf("%d", &k);
	unsigned long long sum, sum2, term, n;
	sum2 = 0;
	n = 0;
	while (sum2 <= 2147483647)
	{
		sum = sum2;
		n += 1;
		term = 1;
		for (int i = 1; i <= k; i++)
			term *= (2*n-1);
			sum2 += term;
	}
	printf("%llu\n", sum);
	printf("%llu\n", n - 1);
	if (term > 2147483647)
		printf("*\n");
	else
		printf("+\n");
}