제출 #971917

#제출 시각아이디문제언어결과실행 시간메모리
971917vjudge1Trol (COCI19_trol)C++17
0 / 50
1 ms348 KiB
#include <bits/stdc++.h> using namespace std; long long Q,L,R; int main(){ cin>>Q; for(long long i=1;i<=Q;i++){ cin>>L>>R; //Cari dari 1-R long long A = ((R/9)*45)+((R%9)*(R%9+1)/2); //Cari Selisih/1-L long long B = (((L-1)/9)*45)+((((L-1)%9)/2)*(((L-1)%9)+1)); cout<<A-B<<"\n"; } }
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