How do I write a program to print proper subset of given
string . Eg :input: abc
output:{},{a},{b},{c},{a,b},{a,c},{b,c},
{a,b,c}.I desperately need this program please mail me to
saravana6m@gmail.com
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Answer Posted / nkbinglei
#include <iostream>
#include <string>
using namespace std;
#include<math.h>
int main(int argc, char* argv[])
{
char input[100];
cout<<"input a string:"<<endl;
gets(input);
cout<<input<<endl;
int strLen = strlen(input);
int count = pow(2.0,strLen);
string *str = new string[count];
int num=0;
cout<<"{}"<<endl;
for(int i=0;i<strLen;i++)
{
str[num] = str[num]+input[i];
cout<<"{"<<str[num]<<"}"<<endl;
num++;
for(int j=0;j<i;j++)
{
str[num] = str[j]+','+input[i];
cout<<"{"<<str[num]<<"}"<<endl;
num++;
}
}
}
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