c++ - Replacing character in the string -


i trying enter in array 2 ` backqoutes. enters single quote. please me here ?

input:

abc"cde"fgh"ijkl"

ouput:

abc``cde''fgh``ijkl''

my code:

#include <stdio.h> #include <iostream> #include <cstring>  using namespace std;  int main() {     string mystr;     long int i=0,j=0,l;     while(getline (cin, mystr))     {         // l=strlen(mystr);         l=mystr.length();         for(i=0;i<l;i++)         {             if (mystr[i]=='"')             {                 j=j+1;                 if(j%2==1)                     mystr[i]='``'; //problem here                 else                     mystr[i]='"';             }         }         cout << mystr;         i++;     }     return 0; }

it c++. "``" not char 2 char. use concatenation instead like

   result += "``";

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