Submission #391216

#	Time	Username	Problem	Language	Result	Execution time	Memory
391216		sad	Trol (COCI19_trol)	C++14	0 / 50	1 ms	204 KiB

trol

#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
using namespace std;
ll go (ll x)
{
    while(x>9)
    {
        ll y=0;
        y=x;
        x=0;
        while(y>0)
        {
            x+=y%10;
            y/=10;
        }
    }
    return x;
}
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        ll l,r;
        cin>>l>>r;
        ll re=0;
        ll len=r-l+1;
        for(ll i=l;i<=r;i++)
        {
            re+=go(i);
            if(go(i)==go(r))break;
        }
        ll w=len/9;
        re+=w*45;
        cout<<re<<endl;
    }
}

• Subtask 1: 0 / 50