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Copy pathPrintSCS.java
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59 lines (52 loc) · 1.45 KB
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package Codes.DynamicProgramming;
public class PrintSCS {
static String printScS(String a, String b){
int m=a.length(), n=b.length();
int dp[][]= new int [m+1][n+1];
for(int i=0;i<=m;i++)
for(int j=0;j<=n;j++)
if(i==0 || j==0)
dp[i][j]=0;
for(int i=1;i<=m;i++){
for(int j=1;j<=n;j++){
if(a.charAt(i-1)==b.charAt(j-1))
dp[i][j]=dp[i-1][j-1]+1;
else
dp[i][j]=Math.max(dp[i][j-1], dp[i-1][j]);
}
}
//Printing SCS
int i=m, j=n;
StringBuilder sb= new StringBuilder();
while(i>0 && j>0){
if(a.charAt(i-1)==b.charAt(j-1)){
sb.append(a.charAt(i-1));
i--;
j--;
}
else{
if(dp[i-1][j]>dp[i][j-1]){
sb.append(a.charAt(i-1));
i--;
}
else{
sb.append(b.charAt(j-1));
j--;
}
}
}
while(i>0){
sb.append(a.charAt(i-1));
i--;
}
while(j>0){
sb.append(b.charAt(j-1));
j--;
}
return sb.reverse().toString();
}
public static void main(String[] args) {
String a="SATURDAY", b="SUNDAY";
System.out.println(printScS(a,b));
}
}