NUM239 - Editorial

editorial
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22

#include<bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin>>t;
while(t–)
{
int l,r;
cin>>l>>r;
int l0=l/10;
int r0=r/10;
int final=0;
final=(r0-l0)*3;
int lr=l%10;
int rr=r%10;
int count=0;
if(lr>1)
count–;
if(lr>2)
count–;
if(lr==9)
count–;
if(rr>1)
count++;
if(rr>2)
count++;
if(rr==9)
count++;
cout<<final+count<<endl;
}
}

help me not working

23

I am getting wrong answer but cant find the mistake please help
#include<bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin>>t;
while(t–)
{
int l,r;
cin>>l>>r;
int l0=l/10;
int r0=r/10;
int final=0;
final=(r0-l0)*3;
int lr=l%10;
int rr=r%10;
int count=0;
if(lr>1)
count–;
if(lr>2)
count–;
if(lr==9)
count–;
if(rr>1)
count++;
if(rr>2)
count++;
if(rr==9)
count++;
cout<<final+count<<endl;
}
}