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Original file line number | Diff line number | Diff line change |
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public class prb { | ||
public static String getFre(String str){ | ||
int fre[]= new int[26]; | ||
for(char ch : str.toCharArray()){ | ||
fre[ch-'a']++; | ||
} | ||
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||
StringBuilder sb = new StringBuilder(""); | ||
char c = 'a'; | ||
for(int i : fre){ | ||
sb.append(c); | ||
sb.append(i); | ||
c++; | ||
} | ||
return sb.toString(); | ||
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||
} | ||
public static void main(String[] args) { | ||
String strs = "aabbc"; | ||
System.out.println(getFre(strs)); | ||
} | ||
} |