Submission #1254643

#	Time	Username	Problem	Language	Result	Execution time	Memory
1254643		bumsakalaka	Trol (COCI19_trol)	C++20	30 / 50	1096 ms	328 KiB

trol

#include <bits/stdc++.h>
using namespace std;
#define int long long
int l,r,h;
signed main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int final=0;
        cin>>l>>r;
        h=r-l+1;
        for(int i=l;i<=r;i++)
        {
            int sum=0,j;
            j=i;
            if(log10(h)>0 && i%10==0 && r-i>10)
            {
                j=(j-1)%9+1;
                sum+=j;
                final+=(sum*10)+45-(9*sum);
                i+=9;
            }
            else
            {
                j=(j-1)%9+1;
                sum+=j;
                final+=sum;
            }
        }
        cout<<final<<endl;
    }
}

• Subtask 1: 30 / 50