제출 #975369

#제출 시각아이디문제언어결과실행 시간메모리
975369vjudge1Trol (COCI19_trol)C++17
0 / 50
1 ms440 KiB
#include <iostream> #define int long long using namespace std; int sisa(int x){ int ret = 0; for(int i = 1; i <=x;i++){ ret += i; } return ret; } signed main() { int q; cin >> q; while (q--) { int jawab = 0; int l, r; cin >> l >> r; l--; l = (l / 9) * 45+ sisa(l% 9); cout << l << endl; r = (r / 9)* 45 +sisa(r % 9); cout << r << endl; jawab = r- l; cout << jawab << endl; } return 0; }
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