16 lines · c
1for (int c0 = 1; c0 <= 2; c0 += 1)2 for (int c1 = 1; c1 <= M; c1 += 1)3 S1(c0, c1);4for (int c0 = 3; c0 <= N; c0 += 1) {5 for (int c1 = 1; c1 <= min(M, c0 - 1); c1 += 1)6 S1(c0, c1);7 if (M >= c0) {8 S1(c0, c0);9 S2(c0, c0);10 }11 for (int c1 = c0 + 1; c1 <= M; c1 += 1)12 S1(c0, c1);13 if (c0 >= M + 1)14 S2(c0, c0);15}16