39 lines
593 B
C
39 lines
593 B
C
#include<stdio.h>
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#include<string.h>
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int if_exist_in_string(char s_[100], char a, int len){
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for(int i=0;i<len;i++){
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if(s_[i]==a) return 1;
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}
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return 0;
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}
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int main(){
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int n,n_=0;
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char s[100],s_[100],temp;
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scanf("%s",s);
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n=strlen(s);
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for(int i=0;i<n;i++){
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if(if_exist_in_string(s_,s[i],n_)==0){
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s_[n_]=s[i];
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s_[n_+1]='\0';
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}
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n_=strlen(s_);
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}
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for(int i=0;i<n_;i++){
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for(int j=i+1;j<n_;j++){
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if(s_[i]>s_[j]){
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temp=s_[i];
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s_[i]=s_[j];
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s_[j]=temp;
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}
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}
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}
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for(int i=0;i<n_;i++) {
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printf("%c",s_[i]);
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}
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return 0;
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}
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