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#include int main() { int num1, num2, i; printf("输入两个数，使用空格分隔:"); scanf("%d %d", &num1, &num2); for (i = 1; i <= (num1 > num2 ? num2 : num1) ; ++i) { if (num1%i == 0 && num2%i == 0) { printf("%d ", i); } } return 0; }

#include<iostream>
using namespace std;

void commonDivisor0(long long x1,long long x2)
{
	static int divisor=1;
	if(divisor>=x1)
	{
		(x1%divisor==0 && x2%divisor==0)?cout<<divisor<<endl:cout<<endl;
		divisor=1;
		return;
	}
	if(x1%divisor==0 && x2%divisor==0)
	{
		cout<<divisor<<"\t";
	}
	divisor++;
	commonDivisor0(x1,x2);

}

void commonDivisor(long long x1,long long x2)
{
	x1>x2?commonDivisor0(x2,x1):commonDivisor0(x1,x2);
	/*
	long long difference=x1-x2;
	difference<0?-difference:difference;
	x1=(x1+x2-difference)/2;
	x2=x1+difference;
	commonDivisor0(x1,x2);
	*/
}



int main()
{
	int x,y;
	cin>>x>>y;
	commonDivisor(x,y);
	return 0;
}

#include <stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
int main(void)
{
    int num1, num2;
    puts("请输入两个数字");
    scanf("%d%d", &num1, &num2);
    for (int i = 1; i<=(num1>num2?num1:num2); i++) {//问号表达式巧用
        if (num1 % i == 0 && num2 % i == 0) {//取余为0就是因子（公因子）
            printf("%d ", i);
        }
    }
    return 0;
}

#include <stdio.h>

int gcd(int a, int b) { //欧几里得法， 计算最大公约数
    while (b != 0) {
        int temp = b;
        b = a % b;  //将余数赋值给b，变成下一步的除数
        a = temp;   //将b最先的值赋值给a，当做下一次的被除数
    }
    return a;
}

int lcm(int a, int b, int gcdValue) {   // 计算最小公倍数
    return a / gcdValue * b; // 先除以最大公约数，然后乘以另一个数，就能得到最下公倍数
}
int main() {
    int num1, num2;
    printf("请输入两个整数：");
    fflush(stdout);
    scanf("%d %d", &num1, &num2);

    int gcdValue = gcd(num1, num2);
    int lcmValue = lcm(num1, num2, gcdValue);

    printf("%d 和 %d 的最大公约数是：%d\n", num1, num2, gcdValue);
    printf("%d 和 %d 的最小公倍数是：%d\n", num1, num2, lcmValue);

    return 0;
}