#include <stdio.h> int main(void) { long num1, num2;//输入数 scanf("%ld %ld", &num1, &num2); //求最大公约数 long greatest_common_divisor = 0; int divisor_1, dividend_1; if (num1 >= num2)//确定除数、被除数 divisor_1 = num1, dividend_1 = num2; else divisor_1 = num2, dividend_1 = num1; while(...