code: https://ide.codingblocks.com/s/461382
problem: replace with 3.14
getting some error
can I use substr like this?
yes,but u need to make sure that u have atleast 2 char remaining
string check = s.substr(i);
if(check.size() < 2){
return s;
}
why is it not working
check now->
no need yto handel this substr automatically take care of this case
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