720. 连续整数相加
define _CRT_SECURE_NO_WARNINGS
include[HTML_REMOVED]
int main()
{
int x = 0, y = 0, z = 0, i = 0, n = 0;
scanf(“%d%d”, &x, &y);
while (y <= 0)
{ y = 0;
scanf(“%d”, &y);
}
while (i < y)
{
z = z + x + i;
i++;
}
printf("%d", z);
return 0;
}