Submission #725431

#	Time	Username	Problem	Language	Result	Execution time	Memory
725431		kerem	Trol (COCI19_trol)	C++14	50 / 50	1 ms	212 KiB

trol

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define fir first
#define sec second
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

int32_t main(){
    int q;
    cin >> q;
    while(q--){
        int l,r,ans=0;
        cin >> l >> r;
        if((r-l+1)%9==0){
            ans=(r-l+1)*5;
            cout << ans << endl;
        }
        else{
            ans=(r-l+1)/9*45;
            int t=(r-l+1)%9;
            while(t--){
                if(l%9==0)
                    ans+=9;
                else
                    ans+=l%9;
                l++;
            }
            cout << ans << endl;
        }
    }
    return 0;
}

• Subtask 1: 50 / 50