제출 #975358

#제출 시각아이디문제언어결과실행 시간메모리
975358vjudge1Trol (COCI19_trol)C++17
10 / 50
1094 ms420 KiB
#include <iostream> #define int long long using namespace std; signed main() { int q; cin >> q; while (q--) { int ans = 0; int l, r; cin >> l >> r; for (int i = l; i <= r; i++) { int x = i; // Hitung penjumlahan digit sampai menjadi 1 digit while (x > 10) { int sum = 0; while (x > 0) { sum += (x % 10); x /= 10; } x = sum; } ans += x; } cout << ans << endl; } return 0; }
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