Submission #975000

#	Time	Username	Problem	Language	Result	Execution time	Memory
975000		vjudge1	Trol (COCI19_trol)	C++17	0 / 50	1 ms	348 KiB

trol

#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL);
#define ll long long
#define rep(i, n) for(int i = 0 ; i < n ; i++)
#define all(a) a.begin(), a.end()

int main() {
    fast
    
    int A[] = {0,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9};
    ll q, l, r;
    cin>>q;
    rep(i, q){
        cin>>l>>r;
        int start_num = l%9;
        ll multiple = (r-l+1)/9;
        ll mod = (r-l+1)%9;
        ll ans = 45*multiple;
        for(int j = start_num, k = 0 ; k < mod ; k++, j++){
            ans+=A[j];
        }
        cout<<ans<<"\n";
    }
    
    return 0;
}

• Subtask 1: 0 / 50