#include
int main()
{
int num1, num2, max;
printf("请输入两个正整数:");
scanf("%d %d", &num1, &num2);
max = num1 > num2 ? num1 : num2;
while (1)
{
if (max % num1 == 0 && max % num2 == 0)
{
printf("最小公倍数为:%d", max);
break;
}
++max;
}
return 0;
}
#include
int lcm(int x, int y);
int main()
{
int num1, num2, LCM;
printf("请输入两个正整数:");
scanf("%d %d", &num1, &num2);
LCM = lcm(num1, num2);
printf("最小公倍数为:%d", LCM);
return 0;
}
int lcm(int x, int y)
{
static int i = 1;
if (i % x == 0 && i % y == 0)
{
return i;
}
else
{
++i;
lcm(x, y);
return i;
}
}
#include
int gcd(int x, int y);
int main()
{
int num1, num2, lcm, GCD;
printf("请输入两个正整数:");
scanf("%d %d", &num1, &num2);
GCD = gcd(num1, num2);
lcm = num1 * num2 / GCD;
printf("最小公倍数为:%d", lcm);
return 0;
}
int gcd(int x, int y)
{
int temp;
while (y != 0)
{
temp = x % y;
x = y;
y = temp;
}
return x;
}
#include
int main()
{
int n, i;
unsigned long long factorial = 1;
printf("请输入一个正整数:");
scanf("%d", &n);
// 如果输入的数字是负数,则输出错误提示
if (n < 0)
printf("错误!负数没有阶乘。");
else
{
for (i = 1; i <= n; ++i)
{
factorial *= i; // 阶乘计算
}
printf("%d 的阶乘 = %llu", n, factorial);
}
return 0;
}
#include
int main()
{
int n, i = 1;
unsigned long long factorial = 1;
printf("请输入一个正整数:");
scanf("%d", &n);
// 如果输入的数字是负数,则输出错误提示
if (n < 0)
printf("错误!负数没有阶乘。");
else
{
while (i <= n)
{
factorial *= i; // 阶乘计算
++i;
}
printf("%d 的阶乘 = %llu", n, factorial);
}
return 0;
}
#include
unsigned long long factorial(unsigned int i);
int main()
{
int n;
printf("请输入一个正整数:");
scanf("%d", &n);
printf("%d 的阶乘为 %llu", n, factorial(n));
return 0;
}
unsigned long long factorial(unsigned int i)
{
if (i <= 1)
return 1;
return i * factorial(i - 1);
}
#include
int main()
{
char c;
for (c = 'A'; c <= 'Z'; ++c)
printf("%c ", c);
return 0;
}
#include
int main()
{
char c = 'A';
while (c <= 'Z')
{
printf("%c ", c);
++c;
}
return 0;
}
#include
int main()
{
char c = 'A';
do
{
printf("%c ", c);
++c;
} while (c <= 'Z');
return 0;
}
以上三种方法都可以用于循环输出26个字母。其中,for循环是最常用的循环结构,它通过初始化、条件判断和步长控制来实现循环;while循环和do-while循环是另外两种常见的循环结构,它们的区别在于条件判断语句的位置不同。无论采用哪种循环结构,都需要定义一个字符变量作为计数器,从字母A开始循环输出,直到输出字母Z为止。