this solution give tle #include<bits/stdc++.h> using namespace std;
int main()
{
int t;
cin>>t;
for(int tt = 1;tt<=t;tt++)
{
int n,l;
cin>>n>>l;
string arr[n];
map < string , int > ms;
for(int i=0;i<n;i++)
{
cin>>arr[i];
ms[arr[i]]=1;
}
int flag=0;
for(int i=0;i<n;i++)
{
for(int j=0;j<l;j++)
{
string temp;
temp = arr[i].substr(0, j+1);
for(int k=0;k<n;k++)
{
int xxxx = fun(100);
if(k!=i)
{
string x = arr[k].substr(j+1,
l-j-1);
string f = temp +x;
if(ms.count(f))
continue;
else
{
cout<<"Case #"<<tt<<":
"<<f<<endl;
flag=1;
break;
}
}
}
if(flag==1)
break;
}
if(flag==1)
break;
}
if(flag==0)
cout<<"Case #"<<tt<<": -"<<endl;
}
return 0;
}
but when i playing around my code and submitted my code with some useless
function call make my code submission successful
this is my another code
#include<bits/stdc++.h>
using namespace std;
//this is that useless function which is called always in my for loop
int fun(int a)
{
return a;
}
int main()
{
int t;
cin>>t;
for(int tt = 1;tt<=t;tt++)
{
int n,l;
cin>>n>>l;
string arr[n];
map < string , int > ms;
for(int i=0;i<n;i++)
{
cin>>arr[i];
ms[arr[i]]=1;
}
int flag=0;
for(int i=0;i<n;i++)
{
for(int j=0;j<l;j++)
{
string temp;
temp = arr[i].substr(0, j+1);
for(int k=0;k<n;k++)
{ //calling statement
int xxxx = fun(100);
if(k!=i)
{
string x = arr[k].substr(j+1,
l-j-1);
string f = temp +x;
if(ms.count(f))
continue;
else
{
cout<<"Case #"<<tt<<":
"<<f<<endl;
flag=1;
break;
}
}
}
if(flag==1)
break;
}
if(flag==1)
break;
}
if(flag==0)
cout<<"Case #"<<tt<<": -"<<endl;
}
return 0;
}
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