例6.4任意输入两个正整数,求它们的最大公约数 maino f long m, n, r, a, b printf(“ input n,n:”); scanf(%old %ld", &m, &n) if(m>n a=m; b=n; 3 else fa=n; b=m; i while(b!=0) fr=a%b; a=b;b=r; j printf(“%ld与%ld的最大公约数是:%ldn”,m,n,a) getch(;[例6.4]任意输入两个正整数，求它们的最大公约数。 main() { long m, n, r, a, b; printf (“input m, n：”); scanf (“%ld%ld”, &m, &n); if (m>n) {a = m; b = n;} else {a = n; b = m;} r = a%b; while (r != 0) { a = b; b = r ; r = a%b ;} printf(“%ld与%ld的最大公约数是：%ld\n” , m, n, b); getch(); } main() { long m, n, r, a, b; printf (“input m, n：”); scanf (“%ld%ld”, &m, &n); if (m>n) {a = m; b = n;} else {a = n; b = m;} while (b != 0) {r = a%b ; a = b; b = r ;} printf(“%ld与%ld的最大公约数是：%ld\n” , m, n, a); getch(); }