Submission #975683

#	Time	Username	Problem	Language	Result	Execution time	Memory
975683		vjudge1	Trol (COCI19_trol)	C++17	30 / 50	1066 ms	600 KiB

trol

#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std;

const ll MOD = 1e9+7;
const ll INF = 1e18;

void solve(){
    ll q; cin >> q;
    while(q--){
        ll l, r; cin >> l >> r;
        ll ans = 0;
        for(ll i=l; i<=r; i++){
            ll a = i % 9;
            if(a == 0) a = 9;
            ans += a;
        }
        cout << ans << '\n';
    }
}

int main(){
    ll t=1;// cin >> t;
    while(t--){
        solve();
    }
    return 0;
}

• Subtask 1: 30 / 50