제출 #1252964

#제출 시각아이디문제언어결과실행 시간메모리
1252964cansu_mutluTrol (COCI19_trol)C++20
0 / 50
1096 ms328 KiB
#include<bits/stdc++.h> #define ll long long int #define no cout << "NO" << endl #define yes cout << "YES" << endl using namespace std; int main() { int t; cin >> t; while(t--) { ll l,r,res = 0; cin >> l >> r; res = (l-r+1)/9; l+= res*9; res*=45; for(;l<=r;l++ ) { if(l%9) res+= l%9; else res+=9; } cout << res; } }
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