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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define SET(a) memset(a,-1,sizeof(a))
  5. #define CLR(a) memset(a,0,sizeof(a))
  6. #define PI acos(-1.0)
  7.  
  8. #define MOD 1000000007
  9. #define MX 100010
  10.  
  11. string reverse (string s)
  12. {
  13.     string result="";
  14.     int sl=s.length();
  15.     for (int i=0; i<sl; i++)
  16.         result = s[i] + result ;
  17. return result;
  18. }
  19.  
  20. int main()
  21. {
  22.     int tc,kk=1, n, r, sl;
  23.     string s;
  24.  
  25.     while(cin>>r && r)
  26.     {
  27.         cin>>n;
  28.         getline(cin,s);
  29.         sl=s.length();
  30.         int pos=0;
  31.         while(s[pos]==' ') pos++;
  32.  
  33.         string s1="";
  34.         string s2="";
  35.         if(s[pos]=='"')
  36.         {
  37.             pos++;
  38.             while(s[pos]!='"')
  39.             {
  40.                 s1+=s[pos];
  41.                 pos++;
  42.             }
  43.         }
  44.         else
  45.         {
  46.             while(s[pos]!=' ')
  47.             {
  48.                 s1+=s[pos];
  49.                 pos++;
  50.             }
  51.         }
  52.         pos=sl-1;
  53.         while(s[pos]==' ') pos--;
  54.         if(s[pos]=='"')
  55.         {
  56.             pos--;
  57.             while(s[pos]!='"')
  58.             {
  59.                 s2+=s[pos];
  60.                 pos--;
  61.             }
  62.         }
  63.         else
  64.         {
  65.             while(s[pos]!=' ')
  66.             {
  67.                 s2+=s[pos];
  68.                 pos--;
  69.             }
  70.         }
  71.         s2=reverse(s2);
  72.  
  73.         for(int i=0;i<s1.length();i++)
  74.             if(s1[i]>='A' && s1[i]<='Z')
  75.                 s1[i]=tolower(s1[i]);
  76.         for(int i=0;i<s2.length();i++)
  77.             if(s2[i]>='A' && s2[i]<='Z')
  78.                 s2[i]=tolower(s2[i]);
  79.         cout<<kk++<<". ";
  80.         if(((r-1)/n)%2==0)
  81.             cout<<s1<<endl;
  82.         else cout<<s2<<endl;
  83.  
  84.     }
  85.     return 0;
  86. }
Success #stdin #stdout 0s 3300KB
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stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/ljraJ7
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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