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  1. #include<iostream>
  2. #include<cstdio>
  3. using namespace std;
  4.  
  5. int Length(string s)
  6. {
  7.     int len = 0;
  8.     for(int i=0;s[i]!='\0';i++)
  9.     {
  10.         len++;
  11.     }
  12.     return len;
  13. }
  14.  
  15. int Compare(string s1, string s2)
  16. {
  17.     int lens1 = Length(s1);
  18.     int lens2 = Length(s2);
  19.  
  20.     if(lens1 == lens2)
  21.     {
  22.         for(int i=0;i<lens1;i++)
  23.         {
  24.             if(s1[i] == s2[i])
  25.                 continue;
  26.             else
  27.             {
  28.                 if(s1[i] < s2[i])
  29.                 {
  30.                     return 1;
  31.                 }
  32.                 else
  33.                 {
  34.                     return -1;
  35.                 }
  36.             }
  37.         }
  38.         return 0;
  39.     }
  40.     else
  41.     {
  42.         if(lens1 < lens2)
  43.         {
  44.             for(int i=0;i<lens1;i++)
  45.             {
  46.                 if(s1[i] == s2[i])
  47.                 {
  48.                     continue;
  49.                 }
  50.                 else
  51.                 {
  52.                     if(s1[i] < s2[i])
  53.                     {
  54.                         return 1;
  55.                     }
  56.                     else
  57.                     {
  58.                         return -1;
  59.                     }
  60.                 }
  61.             }
  62.             return 1;
  63.         }
  64.         else
  65.         {
  66.             for(int i=0;i<lens2;i++)
  67.             {
  68.                 if(s1[i] == s2[i])
  69.                 {
  70.                     continue;
  71.                 }
  72.                 else
  73.                 {
  74.                     if(s1[i] < s2[i])
  75.                     {
  76.                         return 1;
  77.                     }
  78.                     else
  79.                     {
  80.                         return -1;
  81.                     }
  82.                 }
  83.             }
  84.             return -1;
  85.         }
  86.     }
  87. }
  88.  
  89. int main()
  90. {
  91.     string str1, str2;
  92.     cin>>str1>>str2;
  93.     cout<<Compare(str1,str2);
  94. }
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/tMWD9C
language:
C++ (gcc 8.3)
created:
39 days ago
visibility:
public

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