제출 #977160

#제출 시각아이디문제언어결과실행 시간메모리
977160vjudge1Trol (COCI19_trol)C++17
30 / 50
1056 ms348 KiB
#include <bits/stdc++.h> #define int long long using namespace std; int num(int n){ if (n < 9) return n; if (n % 9 == 0) return 9; return n % 9 ; } int f(int a, int b){ int result = 0, len = b - a + 1; a = num(a); while (len--){ if (a > 9) a %= 9; result += a; a++; } return result; } signed main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t; cin >> t; while(t--){ int a, b; cin >> a >> b; cout << f(a, b) << endl; } }
#Verdict Execution timeMemoryGrader output
Fetching results...