제출 #1253929

#제출 시각아이디문제언어결과실행 시간메모리
1253929cheetahTrol (COCI19_trol)C++20
10 / 50
0 ms328 KiB
#include <cmath> #include <cstdio> #include <vector> #include <iostream> #include <algorithm> #include <cstdint> #include <bits/stdc++.h> #define int long long using namespace std; const int N=1e9+7; int32_t main(){ int t=1; cin>>t; int ar[2][9]={9,17,24,30,35,39,42,44,45,1,3,6,10,15,21,28,36,45}; while(t--){ int a,b,sum=0,fark; cin>>a>>b; fark=b-a; a=(a-1)%9+1; b=(b-1)%9+1; if(fark>18){ fark=-9; fark+=a-b; sum+=45*(fark/9); sum+=ar[0][9-a]+ar[1][b-1]; } else{ for(int j=0;j<=fark;j++,a++){ if(a==10)a=1; sum+=a; } } cout<<sum<<endl; } }
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