can anyone pls explain me why this code is not working for ques [B. Decode String](https://codeforces.com/contest/1729/problem/B) ↵
↵
while testing with the all 9 test cases(which is given in ques) this test case ↵
5↵
11111↵
is giving me wrong ans while testing it separately it is giving the right ans↵
↵
**#include<bits/stdc++.h>**↵
**↵
using namespace std;**↵
**↵
typedef long long li;**↵
**↵
int main(){**↵
**↵
li t;**↵
**↵
cin>>t;**↵
**↵
string ans="abcdefghijklmnopqrstuvwxyz";**↵
**↵
while(t--){**↵
**↵
li n;**↵
**↵
cin>>n;**↵
**↵
string s;**↵
**↵
cin>>s;**↵
**↵
string res="";**↵
****↵
↵
** for(li i=0;i<s.length();i++){**↵
**↵
if( s[i+2]=='0' && s[i+3]!='0' && i<n){**↵
**↵
res+=ans[(s[i]-'0')*10+(s[i+1]-'0'-1)];**↵
**↵
i+=2;**↵
**↵
}else{**↵
**↵
res+=ans[s[i]-'0'-1];**↵
**↵
}**↵
**↵
}**↵
**↵
cout<<res<<endl;**↵
** }**↵
** return 0;**↵
**}**↵
****↵
****↵
}↵
return 0;↵
}
↵
while testing with the all 9 test cases(which is given in ques) this test case ↵
5↵
11111↵
is giving me wrong ans while testing it separately it is giving the right ans↵
↵
**
using namespace std;
**
typedef long long li;
**
int main(){
**
li t;
**
cin>>t;
**
string ans="abcdefghijklmnopqrstuvwxyz";
**
while(t--){
**
li n;
**
cin>>n;
**
string s;
**
cin>>s;
**
string res="";
****
↵
**
if( s[i+2]=='0' && s[i+3]!='0' && i<n){
**
res+=ans[(s[i]-'0')*10+(s[i+1]-'0'-1)];
**
i+=2;
**
}else{
**
res+=ans[s[i]-'0'-1];
**
}
**
}
**
cout<<res<<endl;
** }**↵
** return 0;**↵
**}**↵
****↵
****
}↵
return 0;↵
}
