include[HTML_REMOVED]
int main(int argc, char* argv[])
{
int A, N;
scanf_s(“%d%d”,&A&D);
while (printf(” % d”, N), N <= 0); // 过滤0和负数
int res = 0;
for (int i = 0; i < N; i)
{
res += A;
}
printf(“%d”, res);
}