div 관련 문제 풀이 Codeforces Round #568 (Div. 2 B - Email from Polycarp However, Polycarp’s keyboard is broken, so pressing a key on it once may cause the corresponding symbol to appear more than once (if you press a key on a regular keyboard, it prints exactly one symbol). For example, as a... div 관련 문제 풀이
Codeforces Round #568 (Div. 2 B - Email from Polycarp However, Polycarp’s keyboard is broken, so pressing a key on it once may cause the corresponding symbol to appear more than once (if you press a key on a regular keyboard, it prints exactly one symbol). For example, as a... div 관련 문제 풀이