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- #include "stdafx.h"
- #include <iostream>
- #include <cstring>
- #include <string.h>
- #include <stdio.h>
- #include <clocale>
- using namespace std;
- void fillwithnull(char * stroka, int razmer)
- {
- for (int i = 0; i < razmer; i++)
- {
- stroka[i] = '\0';
- }
- }
- void vniz(char * str)
- {
- for (int i = 0; i < strlen(str); i++)
- tolower(str[i]);
- }
- void udalenie(char * stroka, char * str, bool flag, int schet)
- {
- for (int i = 0; i < strlen(str); i++) {
- for (int j = 1; j < strlen(str); j++) {
- if (str[i] == str[j] && i != j) {
- flag = true;
- break;
- }
- else flag = false;
- }
- if (!flag) {
- stroka[schet] = str[i];
- schet++;
- }
- }
- }
- void main()
- {
- int n,schet=0;
- cin >>n;
- bool flag=false;
- char * str = new char [n];
- int razmer = strlen(str)+1;
- char * stroka = new char [razmer];
- fillwithnull(stroka, razmer);
- cin.getline(str, n);
- cin.getline(str, n);
- vniz(str);
- udalenie(stroka, str, flag, schet);
- printf("%s\n", stroka);
- system("pause");
- }
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