What is wrong in the code

#1

please also give me the error dont just edit it

#2

#include<bits/stdc++.h> using namespace std; bool checkcb(string s){ //cout<<s<<endl; long long ll=stoll(s); int l[]={2,3,5,7,11,13,17,19,23,29}; if(ll==0 || ll==1) return false; for(auto i : l){ if(i==ll) return true; } for(auto i : l){ if((ll%i)==0){ return false; } } return true; } bool isvaid(int i,int j, bool *visited){ bool vis=false; for(int x=i; x<j; x++){ if(visited[x]!=false){ vis=true; //return false; }else{ visited[x]=true; } } if(vis) return false; return true; } int main() { int n; string s; cin>>n; cin>>s; int count=0; bool *visited=new bool[n]; for(int i=0 ;i<n; i++) visited[i]=false; for(int i=0; i<n; i++){ for(int j=1; j<=n-i; j++){ string str=s.substr(i,j); if(checkcb(str)){ //cout<<str<<endl; if(isvaid(i,j+i,visited)){ count++; } } }} cout<<count; return 0; }

#3

check now =>


Try for test case:
11
44166181111
You will know your mistake.

#4

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