백준 온라인 저지 - 18297. Pixels
https://www.acmicpc.net/problem/18297 18297번: Pixels Note that the order in which switches are pressed is not important, and that it is never necessary to press twice the same switch. Thus, a solution can be fully described by the set of switches pressed. There might be several solutions, i.e., several adequ www.acmicpc.net 오랜만에 아주 재미있는 문제를 본 것 같다. N*M 격자 평면의 각 좌표마다 픽셀이 있다. 각 이미지 픽셀은 B/W(Black, ..
