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  1. #include<iostream>
  2. #include<cstdio>
  3. //length, compare, substring finding, delete, insert, replace, reverse
  4. using namespace std;
  5.  
  6. int Length(string s)
  7. {
  8.     int len = 0;
  9.     for(int i=0;s[i]!='\0';i++)
  10.     {
  11.         len++;
  12.     }
  13.     return len;
  14. }
  15.  
  16. int Compare(string s1, string s2)
  17. {
  18.     int lens1 = Length(s1);
  19.     int lens2 = Length(s2);
  20.  
  21.     if(lens1 == lens2)
  22.     {
  23.         for(int i=0;i<lens1;i++)
  24.         {
  25.             if(s1[i] == s2[i])
  26.                 continue;
  27.             else
  28.             {
  29.                 if(s1[i] < s2[i])
  30.                 {
  31.                     return 1;
  32.                 }
  33.                 else
  34.                 {
  35.                     return -1;
  36.                 }
  37.             }
  38.         }
  39.         return 0;
  40.     }
  41.     else
  42.     {
  43.         if(lens1 < lens2)
  44.         {
  45.             for(int i=0;i<lens1;i++)
  46.             {
  47.                 if(s1[i] == s2[i])
  48.                 {
  49.                     continue;
  50.                 }
  51.                 else
  52.                 {
  53.                     if(s1[i] < s2[i])
  54.                     {
  55.                         return 1;
  56.                     }
  57.                     else
  58.                     {
  59.                         return -1;
  60.                     }
  61.                 }
  62.             }
  63.             return 1;
  64.         }
  65.         else
  66.         {
  67.             for(int i=0;i<lens2;i++)
  68.             {
  69.                 if(s1[i] == s2[i])
  70.                 {
  71.                     continue;
  72.                 }
  73.                 else
  74.                 {
  75.                     if(s1[i] < s2[i])
  76.                     {
  77.                         return 1;
  78.                     }
  79.                     else
  80.                     {
  81.                         return -1;
  82.                     }
  83.                 }
  84.             }
  85.             return -1;
  86.         }
  87.     }
  88. }
  89.  
  90. int main()
  91. {
  92.     string str1, str2;
  93.     cin>>str1>>str2;
  94.     cout<<Compare(str1,str2);
  95. }
Success #stdin #stdout 0.01s 5304KB
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https://ideone.com/TwQbAb
language:
C++ (gcc 8.3)
created:
39 days ago
visibility:
public

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