제출 #976399

#제출 시각아이디문제언어결과실행 시간메모리
976399vjudge1Trol (COCI19_trol)C++17
0 / 50
1 ms348 KiB
#include <bits/stdc++.h> typedef long long ll; #define fi first #define sc second #define pb push_back using namespace std; void solve() { int n; cin >> n; for (int i = 0; i < n; i++) { int l, r; cin >> l >> r; int jumlah = r - l + 1, ans = 0; ans += (jumlah / 9) * 45; for (int j = l % 9; j < (l % 9) + (jumlah % 9); j++) { ans += j; } cout << ans << endl; } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); solve(); }
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