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  1.  
  2. #include<stdio.h>
  3. #include <iostream>
  4. #include <algorithm>
  5. #include <vector>
  6. #include <string>
  7. #include <ctype.h>
  8.  
  9.  
  10. using namespace std;
  11. int main()
  12.  
  13. {
  14.   int no_lines=0;
  15.   cin>>no_lines;
  16.   cin.ignore();
  17.  
  18.   string line;
  19.   vector<string> vec; // vector to store the words
  20. int vecsize=0;
  21.   for(int i=0;i<no_lines;i++)
  22.   {
  23.       getline(cin,line);
  24.  
  25.       for(int i=0;i<line.length();i++) // convert to lower-case
  26.          {
  27.              line[i]=tolower(line[i]);
  28.          }
  29.  
  30.          int str_start;
  31.          int c;
  32.          int str_end=0;
  33.          int i=0;
  34.         while(i<line.length())
  35.          {
  36.  
  37.            c=0;
  38.            while(line[i]>96 && line[i] <123)  // splitting the words
  39.            {
  40.              if (c==0)
  41.              {
  42.                  str_start=i;
  43.              }
  44.              c++;
  45.              i++;
  46.            }
  47.            str_end= str_start+c-1;
  48.          i++;
  49.  
  50.         if(c!=0)
  51.          {
  52.           string okay = line.substr(str_start,c);
  53.           if((find(vec.begin(), vec.end(), okay))== vec.end())
  54.            {
  55.            vec.push_back(okay);
  56.            vecsize++;
  57.            }
  58.  
  59.          }
  60.          //cout<<"start:"<<str_start<<endl;
  61.  
  62.  
  63.          }
  64.  }
  65.   sort(vec.begin(),vec.end());
  66.  
  67. cout<<vecsize<<endl;
  68.         for(int i=0;i<vecsize;i++)
  69.         {
  70.             cout<<vec[i]<<endl;
  71.         }
  72. }
  73.  
  74.  
  75.  
  76.  
Success #stdin #stdout 0s 3352KB
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https://ideone.com/dCxqr3
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

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