제출 #1213708

#제출 시각아이디문제언어결과실행 시간메모리
1213708sudo_beeTrol (COCI19_trol)C++20
0 / 50
1093 ms328 KiB
#include <iostream> using namespace std; typedef long long llint; int q; int value(llint x) { if (x < 10) return (int) x; llint sum = 0; while (x) { sum += (llint) (x % 10); x /= 10; } return value(sum); } int main(void) { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> q; while (q--) { llint l, r; cin >> l >> r ; int sol = 0; for (llint i = l; i <= r; ++i) { sol += value(i); } cout << sol; } return 0; }
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