Submission #596471

#	Time	Username	Problem	Language	Result	Execution time	Memory
596471		Hussein3600	Trol (COCI19_trol)	C++14	10 / 50	1086 ms	300 KiB

trol

#include<bits/stdc++.h>

using namespace std ;

#define mid (r+l)/2

#define fr(i,n) for(int i=0;i<n;i++)

typedef long long ll ;

ll ans=0 ;

int main()
{
    int t ;

    cin >> t ;

    while(t--)
    {
        ll r , l ;
        cin >> l >> r ;
        for(int i=l;i<=r;i++)
        {
            ll x=i ;
            while(x>0)
            {
                ans+=x%10;
                x/=10 ;
            }
        }
        cout<<ans<<endl;
        ans=0 ;
    }
}

• Subtask 1: 10 / 50