Answer Posted / khadanga

public class LCM {

public static void main(String a[]){
test(0,9);
}

static void test(int a,int b){
if(a==0 || b==0){
return;
}
int n;
int increment;
if(a>b){
n = a;
increment = a;
}else{
n = b;
increment = b;
}

while(true){
if(n%a == 0 && n%b == 0){
break;
}else if(n > (a*b)){
n = a*b;
break;
}else{
n = n+increment;
}
}

System.out.println("LCM for "+a+" and "+b+" is "+n);
}

}

You are given a dictionary of all valid words. You have the following 3 operations permitted on a word: delete a character, insert a character, replace a character. Now given two words - word1 and word2 - find the minimum number of steps required to convert word1 to word2. (one operation counts as 1 step.)

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