제출 #975589

#제출 시각아이디문제언어결과실행 시간메모리
975589vjudge1Trol (COCI19_trol)C++17
30 / 50
1087 ms348 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int q; cin >> q; pair<ll, ll>lr; for(int i = 0; i < q; i++){ cin >> lr.first >> lr.second; ll ans = 0; for(ll j = lr.first; j <= lr.second ; j++){ if (j%9==0)ans+=9; else ans += j%9; } cout << ans << endl; } }
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