Submission #1252784

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252784		ahmet_efendi	Trol (COCI19_trol)	C++20	50 / 50	0 ms	328 KiB

trol

#include<iostream>
using namespace std;
#define int long long
int32_t main(){
 int t;cin>>t;
 while(t--){
    int l,r;
    cin>>l>>r;
    int res=(r-l+1)/9;
l+=res*9;
res*=45;
for(;l<=r;l++){
    if(l%9==0){
        res+=9;
    }else
    res+=l%9;
}
cout<<res<<endl;
 }
}

• Subtask 1: 50 / 50