Eroare de compilare: main.c: In function 'main': main.c:25:26: error: 'L' undeclared (first use in this function) 25 | for (int i = 1; i <= L - 2; i += 2) { | ^ main.c:25:26: note: each undeclared identifier is reported only once for each function it appears in main.c:34:29: error: 'N' undeclared (first use in this function) 34 | if (x2 >= 0 && x2 < N && y2 >= 0 && y2 < M && mat[x2][y2] == 0) { | ^ main.c:34:50: error: 'M' undeclared (first use in this function) 34 | if (x2 >= 0 && x2 < N && y2 >= 0 && y2 < M && mat[x2][y2] == 0) { | ^ Non zero exit status: 1