Make S into an alternate binary string by replacing any character with 0 or 1 up to K times
import java.util.*;
public class GFG {
public static void main(String[] args)
{
String str = "akmzaxazmk";
int K = 6;
AlterString(str, K);
}
static void AlterString(String str, int K)
{
boolean flag = true;
HashMap<Character, Integer> map = new HashMap<>();
for (int i = 0; i < str.length(); i++) {
if (map.containsKey(str.charAt(i))) {
int end = map.get(str.charAt(i));
if ((end - i) % 2 == 0) {
continue;
}
else {
flag = false;
break;
}
}
else {
map.put(str.charAt(i), i);
}
}
if (flag && map.size() <= K) {
System.out.println("YES");
for (Map.Entry<Character, Integer> set :
map.entrySet()) {
System.out.println(
" " + set.getKey() + " : "
+ ((set.getValue() % 2 == 0) ? 0 : 1));
}
}
else {
System.out.println("NO");
}
}
}
import java.util.*;
public class GFG {
public static void main(String[] args)
{
String str = "akmzaxazmk";
int K = 6;
AlterString(str, K);
}
static void AlterString(String str, int K)
{
boolean flag = true;
HashMap<Character, Integer> map = new HashMap<>();
for (int i = 0; i < str.length(); i++) {
if (map.containsKey(str.charAt(i))) {
int end = map.get(str.charAt(i));
if ((end - i) % 2 == 0) {
continue;
}
else {
flag = false;
break;
}
}
else {
map.put(str.charAt(i), i);
}
}
if (flag && map.size() <= K) {
System.out.println("YES");
for (Map.Entry<Character, Integer> set :
map.entrySet()) {
System.out.println(
" " + set.getKey() + " : "
+ ((set.getValue() % 2 == 0) ? 0 : 1));
}
}
else {
System.out.println("NO");
}
}
}
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