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Source Code
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#include <iostream>
#include<string>
#include<algorithm>
#include<cstring>
using namespace std;
string extracttoken(string temp,int key)
{
char *s=strtok((char *)temp.c_str()," ");
while(key>1)
{
s=strtok(NULL," ");
key--;
}
return (string)s;
}
int convert_to_int(string number)
{
int ans=0,power=1;
for(int i=number.length()-1;i>=0;i--)
{
ans +=((number[i]-'0')*power);
power=power*10;
}
return ans;
}
bool compare_numeric(pair<string,string> s1,pair<string,string>s2)
{
string key1,key2;
key1=s1.second;
key2=s2.second;
return convert_to_int(key1)<convert_to_int(key2);
}
bool comparelexico(pair<string,string> s1,pair<string,string>s2)
{
string key1,key2;
key1=s1.second;
key2=s2.second;
return key1<key2;
}
int main()
{
int total_string;
cin>>total_string;
cin.get();
string s[100];
for(int i=0;i<total_string;i++)
{
getline(cin,s[i]);
}
int key;
string reversal,ordering;
cin>>key;
cin>>reversal>>ordering;
pair <string,string> s1[100];
for(int i=0;i<total_string;i++)
{
s1[i].first=s[i];
s1[i].second=extracttoken(s[i],key);
}
if(ordering=="numeric")
{
sort(s1,s1+total_string,compare_numeric);
}
else
{
sort(s1,s1+total_string,comparelexico);
}
if(reversal=="true")
{
int i=0;
while(i<total_string/2)
{
swap(s1[i],s1[total_string-i-1]);
}
}
for(int i=0;i<total_string;i++)
{
cout<<s1[i].first<<endl;
}
}
Compiling Program...
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