제출 #1256185

#제출 시각아이디문제언어결과실행 시간메모리
1256185symbioterTrol (COCI19_trol)C++20
20 / 50
1096 ms328 KiB
#include <bits/stdc++.h> #define endl "\n" #define ll long long using namespace std; ll test(int x){ if (x == 0) return 0; ll remainder = x % 9; return (remainder == 0) ? 9 : remainder; } ll sumDigit(ll l, ll r){ ll sum =0; for(ll i = l; i <=r; i++){ sum+=test(i); } return sum; } void work(){ int n; cin >> n; for(int i = 0; i < n ; i++){ ll l,r; cin >> l >> r; cout << sumDigit(l,r) << endl; } } int main(){ ios_base::sync_with_stdio(0);cin.tie(0); int t = 1;// cin >> t; while(t--)work(); return 0; }
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