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  1. Prepare
  2. Algorithms
  3. Strings
  4. Mars Exploration
  5. Discussions

Mars Exploration

  • adeebahmed3337
     + 0 comments

    C++ O(n)

    int marsExploration(string s) {
int res=0;
for(int i=0;i<s.length();i+=3)
{
   if(s[i]!='S' || s[i+1]!='O' || s[i+2]!='S' )
   {
       if(s[i]!='S')
       {
           res++;
       }
        if(s[i+1]!='O')
       {
           res++;
       }
        if(s[i+2]!='S')
       {
           res++;
       }
       
   }
}
return res;
}