Submission #975682

#	Time	Username	Problem	Language	Result	Execution time	Memory
975682		vjudge1	Trol (COCI19_trol)	C++17	0 / 50	1 ms	348 KiB

trol

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

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

ll mod_9(ll n) {
    return n % 9;
}

void solve(){
    ll q; cin >> q;
    while(q--){
        ll l, r; cin >> l >> r;
        ll ans = 0;
        for(ll i=1; i<=8; i++) {
            ans += mod_9(i);
        }
        ll comp = (r - l + 1) / 9;
        ans *= comp;
        for(ll i=l+comp*9; i<=r; i++) {
            ans += mod_9(i);
        }
        cout << ans << '\n';
    }
}

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

• Subtask 1: 0 / 50