제출 #976901

#제출 시각아이디문제언어결과실행 시간메모리
976901vjudge1Trol (COCI19_trol)C++17
0 / 50
1 ms348 KiB
#include<bits/stdc++.h> using namespace std; #define bismillah ios_base::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL); #define int long long signed main(){ bismillah int q; cin >> q; int l, r; for(int i=0; i<q; i++){ cin >> l >> r; int ans=((r-l)/9)*45; //bisa dengan ngurangin r-l terus ntar dibagi sama 9 hasilya nanti dikali 9 // sisanya nanti baru di tambah manual, kalau pakai yg dibawah TLE for(int j=l%9; j<=r%9; j++){ ans+=j; } cout << ans << endl; } return 0; }
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