java code(两两求最小公倍数、辗转相除法) import java.util.*;publicclassMain{publicstaticvoidmain(String[]args){Scanner cin=newScanner(System.in);while(cin.hasNextInt()){intn=cin.nextInt();long[]a=newlong[n];for(inti=0;i<n;i++)a[i]=cin.nextInt();for(inti=1;i<n;i++){a[...